2over1

Default principles
Offensive bidding
Bidding diagrams
Pass             No opening bid
 1           12+ HCP, 3+
  1          4+cards, Forcing 1 round,\\occ. 6-7 HCP, Balanced. \\Usually denies 4 card Majors.
   1         4 cards, Non forcing.
    1        Natural or 4SGF
     1NT       12-14 HCP.
      2      weak.
      2      weak.
      2      Game Forcing.
      2      Game Forcing.
      2NT      Invitational
      3      Invitational
      3      Invitational
      3      Game Forcing.
      3      Game Forcing.
      3NT      To Play.
     2       5+, Unbalanced.
     2       3+, Unbalanced.
     2       Like a double-raise in , 15+ HCP 4
      2      To Play.
      3      Game Forcing. May not have 4 card .
      3      Game Forcing. May not have 4 card .
      3      Game Forcing. May not have 4 card .
      3      11+ HCP and 4.
      3NT      To Play.
      4      To Play.
     2       Like normal 1-1-2.
     2NT       18-19 HCP.
    1NT        Non forcing
    2        Non forcing.
    2        Non forcing.
    2        Non forcing.
    2        Natural, 4+-4+, 15+ HCP
    2NT        Invitational.
    3        Invitational.
    3        Invitational.
   1         4 cards, Non forcing.
    2        4th suit forcing.
     2NT       Non forcing.
     3       Non forcing.
     3       Invitational.
     3NT       To Play.
   1NT         12-14 HCP. No 4 card Majors.
   2         6+.
   2         4+ Fit, or 3 card Fit with a stiff Major. Denies 4 card Major.
   2         Game Forcing. Unbalanced.
   2         Game Forcing. Unbalanced.
   2NT         18-19 HCP. Balanced No 4 card major.
    3        Game Forcing.
    3        Game Forcing.
    3        Game Forcing.
    3        Game Forcing.
    3NT        To Play.
   3         6+, 16-18 HCP.
   3         4+, 15-17 HCP. Unbalanced. No 4 card Majors.
   3         Splinter, 18+ HCP. 4+, Denies 4 card Majors.
   3         Splinter, 18+ HCP. 4+, Denies 4 card Majors.
   3NT         Solid suit, at least partial side stops
    4        Sets as trumps.
   4         6+ Nice , 4 good , Slam try.
   4         7-4 freak, but minimum.
  1          4+ cards. May bypass bad 4card suit.
   1         4 Cards.
    1NT        To Play.
    2        To Play.
    2        4th suit forcing to game.
    2        To Play.
    2         support.
    2NT        Invitational
    3        Invitational
    3        Invitational
   1NT         12-14 HCP. Denies 4.
    2        Transfer to 2. Sign off or invite.
     2       Forced to bid 2.
      2      Unbalanced. 5+
      2NT      Balanced 5.
      3      Mild distributional.
    2        Artificical, Game Forcing. checkback.
     2       3.
      2      4.
      2NT      waiting, 5.
      3      Natural. may have 4 card .
      3      Natural. may have 4 card .
      3      Sets as trumps.
      3      Splinter.
     2       4.
     2NT       Natural.
     3       Natural.
     3       Natural.
    2        To Play.
    2NT        4 and Invitational.
    3        Distributional, Invitational.
    3        Distributional, Invitational.
    3        Distributional, Invitational.
   2         6+ or 5-4.
    2        New minor forcing. Asks support.
    2        forcing to game.
   2         Reverse, 17+ HCP.
    2        Weak.
     2       Game Forcing., 4th suit forcing.
     2NT       minimum, Non forcing.
     3       minimum, Non forcing.
     3       5+, Invitational
     3       Game Forcing, doubleton no side stop.
     4       3, minimum.
    2        Forcing one round. 4th suit forcing.
     2NT       22(45) or stopper.
      3      weak.
      3      Game Forcing.
      3      Game Forcing.
     3       minimum. No / support.
      3      Game Forcing.
      3      Game Forcing.
      3      weak.
     3       Game Forcing.
     3       Game Forcing.
     3       3.
     4       3, minimum.
    2NT        6-12 HCP, 4, Forcing one round.
     3       Non forcing.
      3NT      8-12.
     3       Non forcing.
      3NT      8-12.
     3       Game Forcing.
     3       Game Forcing. 4th suit forcing.
    3        Game Forcing. usually 4
    3        Game Forcing. usually 4, Artificical 4th forcing to game.
    3        6+, constructive.
    3        Natural.
    3NT        13-14, HCP.
   2         4, or 3 with singleton or void.\\or bad doubleton without 4.
    2        seminatural game/slamtry
     2NT       3 Fit, minimum, stopper or length
     3       3 Fit min, 5, \\No stopper or length
     3       3 Fit, min, No stopper, Non forcing
     3       4, minimum.
     3       4-4, max
     3NT       3 Fit, max, stopper
     4       4 Fit, good for slam, Artificical.
     4       4 Fit, bad for slam
    2NT        Descriptive invite, NF, just 4
     3       Descriptive invite, NF, just 4
    3        Descriptive invite, NF, just 4.
    3        seminatural game/slamtry
     3       other minimums.
     3       3 Fit, max, \\No stopper/length
     3NT       3 Fit, max, stopper/length
     4       4 Fit, good for slam, Artificical.
     4       3, max, No stopper, 1345
     4       4 Fit, max, bad for slam.
    3        5+, Invitational.
    3NT        Choice of game, just 4.
     Pass       passes with 3fit or some 4333's.
   2         jump shift, Game Forcing. 4.
   2NT         18-19, Balanced, may have 4.
    3        Artificical signoff signal.\\or choice of game at 5 minor.
     3       Denies 3 .
      Pass      To Play.
      3      To Play.
      3      5++4, Game Forcing.
      3NT      To Play.
     3       3.
      Pass      To Play.
      3      5+4, Game Forcing. choice of game.
      3NT      Choice of game. with 5card , may have mild slamtry.
       Pass     To Play.
       4     Artificical, slammish max
       4     To Play.
      4      To Play.
     3       4.
      Pass      To Play.
      3NT      Choice of game. with 5card , may have mild slamtry.
       Pass     To Play.
       4     Artificical, slammish max
       4     To Play.
      4      To Play.
      4      To Play.
    3        New minor forcing.\\checkback, checking other 4.
     3       3
      3NT      Non forcing, interest in minor.
      4      Natural. Slammish.
      4      Natural. Slammish.
     3       Denies 3.\\4.
      3NT      Non forcing.
      4      Sets suit.
      4      Natural. Slammish.
     3NT       Default.
      4      Natural. Slam try.
      4NT      Quantitative.
    3        6+, Game Forcing.
     4       Artificical, flag for , slammish.
     4       Bad for slam.
    3        4-4 Majors Game Forcing.
     3NT       To Play.
     4       Artificical, flag for .
     4       To Play.
   3         6+, 16-18 HCP.
    3        Waiting, looking for 3 fit \\or 4th suit stopper usually.
    3        6+ or can play opp a doubleton
    3        5+-4.
    3NT        To Play.
    4        5+
    4        4+.
    4NT        Quantitative.
   3         Any 15+ HCP.
    3        Double negative. \\(Pass and 4 are the only options).
    3        Asking bid
     3NT       1, 18+
     4       1, 15-17 HCP.
     4       Splinter .
   3         14-15 HCP. 2425
   3         18+HCP. 2425
   3NT         Solid suit, at least partial side stops.
    4        Sets suit as trump.
   4         6+, 4, Slam try. GF
   4         18-19HCP, 4card raise 4432/4333
   4         minimum 7-4 gamble, honors only in the 2 suits ().
  1          4+ cards. May bypass bad 4card suit.
   1NT         12-14 HCP. Balanced.
    2        Transfer to 2. Sign off or invite.
     2       Forced to bid 2.
      2      Unbalanced. 5+
      2NT      Balanced 5.
      3      Mild distributional.
    2        Artificical, Game Forcing. checkback.
     2       4.
      2      4.
      2NT      waiting, 5.
      3      Natural. may have 4 card .
      3      Natural. may have 4 card .
      3      Sets as trumps.
      3      Splinter.
     2       3.
     2NT       Natural.
     3       Natural.
     3       Natural.
    2        To Play.
    2        To Play.
    2NT        4 and Invitational.
    3        Distributional, Invitational.
    3        Distributional, Invitational.
    3        Distributional, Invitational.
   2         6+ or \\5 with singleton sometimes.
    2        New minor forcing.
    2        weak
    2        weak.
   2         Reverse, 17+, occasionally a good 3card suit or 1444
    2        Natural. Forcing one round.
    2        Weak.
     2NT       minimum, Non forcing.
      3      weak.
      3      Game Forcing.
      3      Game Forcing.
     3       minimum, Non forcing.
      3      Game Forcing.
      3      Game Forcing.
      3      weak.
     3       Game Forcing.
     3       Game Forcing.
     3       Game Forcing.\\Doubleton and no side stop.
     4       3 minimum,
    2NT        6-12 HCP, 4, Forcing one round.
     3       Non forcing.
      3NT      8-12.
     3       Non forcing.
      3NT      8-12.
     3       Game Forcing. 4th suit forcing.
     3       Game Forcing.
    3        Game Forcing. usually 4
    3        Game Forcing. usually 4, Artificical 4th forcing to game.
    3        4+, constructive.
    3        constructive.
    3NT        13-14, HCP.
   2         Reverse, 17+HCP, occasionally, 1444
    2        Weak.
     2NT       minimum, Non forcing.
      3      weak.
      3      Game Forcing.
      3      Game Forcing.
     3       minimum, Non forcing.
      3      Game Forcing.
      3      Game Forcing.
      3      weak.
     3       Game Forcing.
     3       Game Forcing.\\Doubleton and no side stop.
     4       3 minimum,
    2NT        6-12 HCP, 4, Forcing one round.
    3        Game Forcing. usually 4
    3        Game Forcing. usually 4, Artificical 4th forcing to game.
    3        4+, constructive.
    3        constructive.
    3NT        13-14. HCP.
   2         4 Fit, or 3 Fit with singleton/void or bad doubleton.
    2NT        Descriptive invite, NF, just 4
    3        Descriptive invite, NF, just 4
    3        seminatural game/slamtry
     3       3 Fit, max, \\No stopper/length.
     3       Any minimum.
     3NT       3 Fit, max, stopper/length
     4       4 Fit, good for slam, Artificical.
     4       4, 3, max, 3145
     4       4 Fit, max, bad for slam.
    3        seminatural game/slamtry
     3       minimum.
     3NT       3 Fit, max, at least some length.
     4       4 Fit, good for slam, Artificical.
     4       3415, max
     4       4 Fit, max, bad for slam.
    3        5+, Invitational.
    3NT        choice of game, just 4,
     Pass       opener passes with 3fit or some 4333's.
     4       To Play.
   2NT         18-19 HCP, Balanced.
    3        Artificical signoff signal.\\or choice of game at 5 minor.
     3       Denies 3 .
      Pass      To Play.
      3      5 + 4+.
      3      To Play.
      3NT      To Play.
     3       3.
      Pass      To Play.
      3      5+4, Game Forcing. choice of game.
      3NT      Choice of game. with 5card , may have mild slamtry.
       Pass     To Play.
       4     Artificical, slammish max
       4     To Play.
      4      To Play.
     3       3.
      Pass      To Play.
      3NT      Choice of game. with 5card , may have mild slamtry.
       Pass     To Play.
       4     Artificical, slammish max
        4    To Play.
       4     To Play.
      4      To Play.
    3        New minor forcing.\\checkback, checking other 4 or 3.
     3       4
      3NT      Non forcing.
      4      Natural. Slammish.
      4      Natural. Slammish.
     3       3.
      3NT      Non forcing.
      4      Natural. Slammish.
      4      Natural. Slammish.
     3NT       Default.
      4      Natural. Slam try.
      4NT      Quantitative.
    3        5++4, Game Forcing.
     3       3 exactly.
     3NT       2-2, To Play.
     4       Artificical, flag for , slammish.
      4      To Play.
      4      To Play.
     4       Artificical, flag for , slammish.
     4       minimum.
     4       minimum.
    3        6+, Game Forcing.
     3NT       To Play.
     4       Artificical, flag for . slammish.
      4      Bad for slam.
     4       To Play.
   3         6+, 16-18 HCP.
   3         Bad 18-HCP balanced raise
    3        To Play.
   3         Any 15+ HCP, Splinter raise.
    3        Double negative. \\Pass or 4 are the only options.
     Pass       To Play.
     4       To Play.
    3NT        Asks for further clarification.
     4       1, 18+ HCP.
     4       1, 17 HCP.
   3         4225, Good 14-15 HCP.
   3NT         Solid suit, at least partial stops,
    4        Sets as trumps. Unbalanced.
   4         Great , 4, Slam try.
   4         18-19 HCP. 4225
   4         18-19 HCP. 4333/4432 raise
   4         min 7-4 gamble, honors only in these 2 suits.
  1NT          8-10 HCP. No 4 card Majors. \\May have 4.
   2         6(5)+
   2         Reverse, 17+, may be (41)44
   2         Reverse, 17+, occ. a good 3card suit.
   2         Reverse, 17+, occ. a good 3card suit.
   2NT         15-16 usually 5 or 4441's
   3         6+, 16-18 HCP.
   3NT         Solid , at least major stops.
    4        Sets as trumps.
  2          simple raise.
   2         Game Forcing. Natural. Unbalanced. Artificical Balanced.
    2NT        5, 11 HCP. nonforcing.
    3NT        15-17 HCP.
   2         Natural. Unbalanced. Game Forcing.
    3NT        15-17 HCP.
   2         Natural. Unbalanced. Game Forcing.
    3NT        15-17 HCP.
   2NT         Non forcing, bad Balanced hand, say nothing about stoppers.
    3        To Play.
   3         Non forcing, bad unbalanced hand.
   3         Splinter, solid opening hand.
   3         Splinter, 4+, sound opening bid.
   3         Splinter, 4+, sound opening bid.
   3NT         18-19 HCP.
  2          Limit raise.
   2         Game forcing. Natural. Unbalanced.
    2        stopper
    2NT        10-12, Balanced or semi Balanced.
   2         Game forcing. Natural. Unbalanced.
    2NT        minimum.
    3        stopper.
    3NT        10-11, Balanced.
   2NT         NF, bad balanced hand, says nothing about stoppers
    3        To Play.
   3         Game Forcing. Natural-Unbalanced. Artificical-Balanced. \\(if opps does not bid, 3NT next bid, it shows natural).\\
   3         Non forcing, bad Unbalanced hand.
   3         Splinter, solid opening hand.
   3         Splinter, solid opening hand.
   3NT         18-19 HCP. Balanced.
  2           fit and showing.
  2           fit and showing.
  2NT          10-11 HCP.
   3         Natural.
   3         Natural.\\4cards conc. usually, short in Majors.
   3         4cards conc. usually, short in .
   3         4cards conc. usually, short in .
  3          5+, ~4-6 HCP, NF
   3         Game Forcing.
   3         Game Forcing.
  3          Splinter, 5+, denies 4 Majors, some game/Slam try.
   3NT          stopper, No slam interest.
   4         may be minimum no stopper, or cue
  3          Splinter, 5+, denies 4 Majors, some game/Slam try.
   3NT          stopper, No slam interest.
   4         may be minimum no stopper, or cue
  3          Splinter, 5+, denies 4 Majors, some game/Slam try.
   3NT          stopper, No slam interest.
   4         may be minimum no stopper, or cue
  3NT          10-11 HCP. Balanced, GF,\\No 4 Majors.
   4         Sets . unbalanced.
  4          6+, Preemptive.
  4          RKC for .
   4         0 or 3 key cards.
    4        Asks for Q of trump?
     4NT       K+Q.
     5       No trump Q.
     5       K+Q.
     5       K+Q.
    5        Confirms all keycards and Q. \\Asks for specific King?
     5       K.
     5       K.
     5NT       K.
     6       No king.
   4         1 or 4 key cards.
    4NT        Asks for trump Q?
     5       No trump Q.
     5       K+Q.
     5       K+Q.
     5       K+Q.
    5        Confirms all keycards and Q. \\Asks for specific King?
     5       K.
     5       K.
     5NT       K.
     6       No king.
   4NT         2 key cards. without Q of trumps
   5         2 key cards. + Q of trumps
  4          Long suit. Weak.
  4          Long suit. Weak.
 1           12+ HCP, 4(3)+, 4D-4C can choose to open either minor
  1          4+ cards.
   1         4 Cards.
    1NT        To Play.
    2        4th suit forcing to game.
    2        To Play.
    2NT        Invitational
    3        Invitational
   1NT         12-14 HCP. Denies 4.
    2        Transfer to 2. Sign off or invite.
     2       Forced to bid 2.
      2      Unbalanced. 5+
      2NT      Balanced 5.
      3      Mild distributional.
    2        Artificical, Game Forcing. checkback.
     2       3.
      2      4.
      2NT      waiting, 5.
      3      Natural. may have 4 card .
      3      Natural. may have 4 card .
      3      Sets as trumps.
      3      Splinter.
     2       4.
     2NT       Natural.
     3       Natural.
     3       Natural.
    2        To Play.
    2NT        4 and Invitational.
    3        Distributional, Invitational.
    3        Distributional, Invitational.
    3        Distributional, Invitational.
   2         5+-4+
    2        4th suit forcing to game.
   2         6+.
   2         4, or 3 with singleton or void.\\or bad doubleton without 4.
    2        seminatural game/slamtry
     2NT       3 Fit, minimum, stopper or length
     3       3 Fit min, no stopper or length
     3       3 Fit, min, 5+, Non forcing
     3       4, minimum.
     3       3 Fit, max, no stopper or length
     3NT       3 Fit, max, stopper
     4       4 Fit, good for slam
     4       4 Fit, bad for slam
    2NT        Descriptive invite, NF, just 4
     3       Descriptive invite, NF, just 4
    3        seminatural game/slamtry
     3       3 Fit, min, 5+D NF
     3       other minimums.
     3       3 Fit, max, \\No stopper/length
     3NT       3 Fit, max, stopper/length
     4       4 Fit, good for slam, Artificical.
     4       6, 3, max, No stopper.
     4       4 Fit, max, bad for slam.
    3        Descriptive invite, NF, just 4
    3        5+, Invitational.
    3NT        Choice of game, just 4.
     Pass       passes with 3fit or some 4333's.
   2         4. Unbalanced.
   2NT         18-19, Balanced, may have 4.
    3        Artificical signoff signal.\\or choice of game at 5 minor.
     3       Denies 3 .
      Pass      To Play.
      3      To Play.
      3      5++4, Game Forcing.
      3NT      To Play.
     3       3.
      Pass      To Play.
      3      5+4, Game Forcing. choice of game.
      3NT      Choice of game. with 5card , may have mild slamtry.
       Pass     To Play.
       4     Artificical, slammish max
       4     To Play.
      4      To Play.
     3       4.
      Pass      To Play.
      3NT      Choice of game. with 5card , may have mild slamtry.
       Pass     To Play.
       4     Artificical, slammish max
       4     To Play.
      4      To Play.
      4      To Play.
    3        New minor forcing.\\checkback, checking other 4.
     3       3
      3NT      Non forcing, interest in minor.
      4      Natural. Slammish.
      4      Natural. Slammish.
     3       Denies 3.\\4.
      3NT      Non forcing.
      4      Sets suit.
      4      Natural. Slammish.
     3NT       Default.
      4      Natural. Slam try.
      4NT      Quantitative.
    3        6+, Game Forcing.
     4       Artificical, flag for , slammish.
     4       Bad for slam.
    3        4-4 Majors Game Forcing.
     3NT       To Play.
     4       Artificical, flag for .
     4       To Play.
   3         4(3)+.
    3        Waiting, looking for 3 fit \\or 4th suit stopper usually.
    3        6+ or can play opp a doubleton
    3        5+-4.
    3NT        To Play.
    4        5+
    4        4+.
    4NT        Quantitative.
   3         6+, 16-18 HCP.
   3         15-17HCP. 4, splinter raise or \\good 14-15 hcp, 2452
    3        Balanced or Splinter ?
     3NT       Balanced.
     4       Splinter, raise.
     4       Splinter, raise.
     4       Splinter in , raise.
   3         18+HCP. Splinter raise
    3NT        Ask for Splinter?
     4       Splinter, raise.
     4       Splinter, raise.
     4       Splinter in , raise.
   3NT         Solid suit, at least partial side stops.
    4        Sets suit as trump.
   4         18-19HCP, 4card raise 4432/4333
   4         6+, 4, Slam try. GF
   4         minimum 7-4 gamble, honors only in the 2 suits ().
  1          4+ cards.
   1NT         12-14 HCP. Balanced.
    2        Transfer to 2. Sign off or invite.
     2       Forced to bid 2.
      2      Unbalanced. 5+
      2NT      Balanced 5.
      3      Mild distributional.
    2        Artificical, Game Forcing. checkback.
     2       4.
      2      4.
      2NT      waiting, 5.
      3      Natural. may have 4 card .
      3      Natural. may have 4 card .
      3      Sets as trumps.
      3      Splinter.
     2       3.
     2NT       Natural.
     3       Natural.
     3       Natural.
    2        To Play.
    2        To Play.
    2NT        4 and Invitational.
    3        Distributional, Invitational.
    3        Distributional, Invitational.
    3        Distributional, Invitational.
   2         5+,4+ or 1(444)
    2        4th suit forcing to game.
   2         6(5)+.
    2        Natural. Forcing one round.
    3        Game Forcing.
   2         Reverse, 17+HCP, occasionally, 1444
   2         4 Fit, or 3 Fit with singleton/void or bad doubleton.
    2NT        Descriptive invite, NF, just 4
    3        seminatural game/slamtry
     3       3 Fit, min, 5+D NF
     3       3 Fit, max, \\No stopper/length.
     3       other minimums.
     3NT       3 Fit, max, stopper/length
     4       4 Fit, good for slam, Artificical.
     4       6, 3, max, No stopper.
     4       3,1(54), max
     4       4 Fit, max, bad for slam.
    3        Descriptive invite, NF, just 4
    3        seminatural game/slamtry
     3       minimum.
     3NT       3 Fit, max, stopper or length
     4       4 Fit, good for slam, Artificical.
     4       5+, 3, max, No stopper.
     4       3451, max
     4       4 Fit, max, bad for slam.
    3        5+, Invitational.
    3NT        choice of game, just 4,
     Pass       opener passes with 3fit or some 4333's.
     4       To Play.
   2NT         18-19 HCP, Balanced.
    3        Artificical signoff signal.\\or choice of game at 5 minor.
     3       Denies 3 .
      Pass      To Play.
      3      5 + 4+.
      3      To Play.
      3NT      To Play.
     3       3.
      Pass      To Play.
      3      5+4, Game Forcing. choice of game.
      3NT      Choice of game. with 5card , may have mild slamtry.
       Pass     To Play.
       4     Artificical, slammish max
       4     To Play.
      4      To Play.
     3       3.
      Pass      To Play.
      3NT      Choice of game. with 5card , may have mild slamtry.
       Pass     To Play.
       4     Artificical, slammish max
        4    To Play.
       4     To Play.
       4     To Play.
      4      To Play.
      4      To Play.
    3        New minor forcing.\\checkback, checking other 4 or 3.
     3       4
      3NT      Non forcing.
      4      Natural. Slammish.
      4      Natural. Slammish.
     3       3.
      3NT      Non forcing.
      4      Natural. Slammish.
      4      Natural. Slammish.
     3NT       Default.
      4      Natural. Slam try.
      4NT      Quantitative.
    3        5++4, Game Forcing.
     3       3 exactly.
     3NT       2-2, To Play.
     4       Artificical, flag for , slammish.
      4      To Play.
      4      To Play.
     4       Artificical, flag for , slammish.
     4       minimum.
     4       minimum.
    3        6+, Game Forcing.
     3NT       To Play.
     4       Artificical, flag for . slammish.
      4      Bad for slam.
     4       To Play.
   3         Game Forcing. 4(3) + .
    3        Waiting, Looking for 3 fit \\or 4th suit stopper usually.
    3        5+
    3        6+ or can play opp a doubleton
    3NT        To Play.
    4        5+
    4        4+.
    4NT        Quantitative.
   3         6+, 16-18 HCP.
   3         Any 15+ HCP, Splinter raise.
    3        Double negative. \\Pass or 4 are the only options.
     Pass       To Play.
     4       To Play.
    3NT        Asks for further clarification.
     4       1, 18+ HCP.
     4       1, 17 HCP.
   3         4252, Good 14-15 HCP.
   3NT         solid suit, at least partial stop,
    4        Sets , Unbalanced.
   4         18-19 HCP. 4225
   4         6 great , 4, Slam try.
   4         18-19 HCP. 4333/4432 raise
   4         min 7-4 gamble, honors only in these 2 suits
  1NT          6-10 HCP. No 4 card Majors.
   2         4+, Unbalanced.
   2         6(5)+
   2         Reverse, 17+, occ. a good 3card suit.
   2         Reverse, 17+, occ. a good 3card suit.
   2NT         15-16 usu. 5 or 4441's
   3         Game Forcing., 4+.
   3         6+, 16-18 HCP.
   3NT         Solid , at least major stops.
    4        Sets as trumps.
  2          GF, or 5 11 HCP. Balanced.
   2         Natural or very minimum balanced, no 4M unless very minimum
    2NT        5, 11 HCP. nonforcing.
   2         5+, 4 Major, ( or 4441 Exactly), 13+ HCP. GF
   2         5+, 4 Major, ( or 4441 Exactly), 13+ HCP. GF
   2NT         13+-14 or 18-19 HCP. Balanced, GF
   3         Game Forcing. 4.\\13+, Unbalanced with 3+
   3         Splinter, 4+, sound opening bid.
   3         Splinter, 4+, sound opening bid.
  2          simple raise.
   2         Game forcing. Natural. Unbalanced.
    2        stopper
    2NT        weak, minimum.
    3NT        10-11, Balanced.
   2         Game forcing. Natural. Unbalanced.
    2NT        weak, minimum.
    3        stopper.
    3NT        10-11, Balanced.
   2NT         NF, bad balanced hand, says nothing about stoppers
    3        To Play.
   3         Game Forcing. Natural-Unbalanced. Artificical-Balanced. \\(if opps does not bid, 3NT next bid, it shows natural).\\
   3         Non forcing, bad Unbalanced hand.
   3         Splinter, solid opening hand.
   3         Splinter, solid opening hand.
   3NT         18-19 HCP. Balanced.
   4         Splinter, solid opening hand.
  2           fit, showing.
  2           fit, showing.
  2NT          10-11 HCP. Balanced.
   3         Natural.
   3         Natural.
   3         4cards conc. usually, short in .
   3         4cards conc. usually, short in .
  3          Limit raise in . ~10-12 HCP, NF
   3         Game Forcing.
   3         Game Forcing.
  3          4-6 HCP. 5+, NF
  3          Splinter, 5+, denies 4 Majors, some Slam try.
   3NT          stopper, No slam interest.
   4         may be minimum no stopper, or cue
  3          Splinter, 5+, denies 4 Majors, some Slam try.
   3NT          stopper, No slam interest.
   4         may be minimum no stopper, or cue
  3NT          10-11 HCP. Balanced, GF, no 4 Majors.
   4         Sets . unbalanced.
  4          RKC .
  4          6+, Preemptive.
  4          Long suit. Weak.
  4          Long suit. Weak.
 1           12+ HCP, 5+M, may have a longer minor\\3rd hand 1 ~strong 4 card suit
  1          usually. 5+cards, less than 3.\\May be if 4144 less than invite,\\If 3+H, then later GF.
   1NT         12-15, NF, doubleton
   2         4+cards, or 6-3 16-17 wrong for jump rebid
    2        4th suit game forcing
   2         4+cards, or 6-3 16-17 wrong for jump rebid
    3        4th suit game forcing.
   2         6+
   2         3 cards, 12-14 HCP. Balanced. \\(Temporize with 2minor if 15-17 HCP Unbalanced.)
    2NT        4-1, Invitational
    3        Invite to game/slam, natural, Forcing.
    3        Invite to game/slam, natural, Forcing.
    3        3+, Slam try.
    3        Invitational 5+
    3NT        just 4, To Play. even opposite to Unbalanced.
    4        5+, Splinter
    4        5+, Splinter
    4        3+, no slam.
   2NT         18-19 HCP, Balanced.
   3         4522, 16-18 HCP
    3NT        To Play.
    4        Cue-bid
    4        Cue-bid
   3NT         Artificical, Game Forcing. 3, 5
   4         4+, Splinter 16+ HCP.
   4         4+, Splinter 16+ HCP.
   4         To Play.
   4         4522, 19+ HCP.
  1NT          Non forcing.
   2         3+cards, may be 6-3, 16-17 wrong for jump rebid
    Pass        Short or weak with doubleton
    2        To Play.
    2        weak raise, or \\8-10 with doubleton usually
    2        5+, 9+ HCP \\(Later new suit
    2NT        ~11 HCP, invite
     3       To Play.
     3       Game Forcing.
     3       6+, 3+, Game Forcing.
     3       Game Forcing.
    3        5+, 7-8 HCP
    3        Long , more trick-based
    3        Balanced, 3, ~11 HCP.
   2         3+cards, may be 6-3, 16-17 wrong for jump rebid
    Pass        Short or \\weak with doubleton
    2        weak raise, or \\8-10 with doubleton usually
    2        5+, 9+ HCP \\(Later new suit
    2NT        ~11 HCP, invite
     3       To Play.
     3       Game Forcing.
     3       6+, 3+, Game Forcing.
     3       Game Forcing.
    3        Long weak .
    3        5+ , 7-8 HCP
    3        Balanced, 3, ~11 HCP.
   2         6+
    Pass        Short or \\weak with doubleton
    2NT        ~11 HCP, Invitational, \\usually short in
     3       To Play.
    3        Long weak .
    3        Long weak .
    3        Balanced, 2, ~11 HCP.
    4        Balanced, 3, Limit raise.
   2         Reverse, 17(16)+
   2NT         17(+)-20, semiforcing
    3        5+, forces 3 (later bids GF with 5+)
    3        3 3-5 HCP, or limit 3fit, or Hx, forces 3
     3       Forced to bid 3.
      Pass      miniraise.
      3      Good suit with limit raise.
      3NT      choice of game, Hx in .
      4      Good suit with limit raise.
      4      Good suit with limit raise.
      4      3 fit limit raise.
    3        6-7 HCP, 3fit, invite
    3        6(5)+, weak, forces 4 unless pd sees game.
    3NT        To Play.
   3         GF, may be 6-3(2) occ.
    3        5+
     4       self-sufficient suit
    3        doubleton, or weak raise
    3        4, short
     4       self-sufficient suit
    3NT        No - interest.
    4        5+, forcing.
     4       RKC for .
     4       self-sufficient suit
    4        RKC in .
    4        Limit raise 3 fit.
    4NT        Quantitative. No interest.
   3         GF, may be 6-3(2) occ.\\
    3        doubleton, or weak raise
    3        4, short
    3NT        No - interest.
    4        7+, short .
    4        5+
    4        Limit raise 3 fit.
    4NT        Quantitative. No interest.
   3         16-18, 6+ good crds
   3NT         SOL 6+, stopper, some extras but not much
  2          3 , Reverse Drury. limit raise.
   2         Artificial game try.
    2        most hands with 3card support, (cues)
    2        No stopper
    2NT        waiting, stopper.
    3        Picture - 5+-4 most strength in suits
    3         Splinter, 4+, 3+, sound opening bid, an honor in unbid suit
    3NT        15-17 Balanced, 2fit, +side stoppers
    4        sets as trumps
    4        Hxx support, no Aces, at most 2 Kings
   2         5+cards or no other bid
    2NT        waiting, may have 2fit, does not promise both side stops
    3        3+
    3        Splinter 3+, sound opening bid, an honor in unbid suit
    3NT        15-17 Balanced, 2fit, side stoppers
    4        sets as trumps
    4        Hxx support, no Aces, at most 2 Kings
   2         4 Cards.
    2NT        waiting, promises stopper.
    3        No stopper.
    3        3+
    3        4
    3NT        15-17 Balanced, 2fit, side stoppers
    4        sets as trumps
    4        splinter, 4S, sound opening bid, an honor in unbid suit
    4        Hxx support, no Aces, at most 2 Kings
    4        Hxxx support, no Aces, at most 2 Kings
   2NT         5332 usually, 12-14 or 18+, side stoppers
    3        3+
    3NT        15-17 Balanced, 2fit, side stoppers
    4        sets as trumps
    4        splinter, 4, sound opening bid, an honor in unbid suit
    4        Hxx support, no Aces, at most 2 Kings
   3         4+, sound opening hand.
    3        values, may be interested in slam in or just 3NT
    3        3+
    3        values, may be interested in slam in or just 3NT
    3NT        15-17 Balanced, 2fit, side stoppers
    4        sets as trumps
    4        splinter, 4, sound opening bid, an honor in unbid suit
    4        Hxx support, no Aces, at most 2 Kings
   3         splinter, 4+, sound opening bid, an honor in unbid suit
   3         Sets as trumps, Slam try.
   3         splinter, 4+, sound opening bid, an honor in unbid suit
   3NT         15-17, 5(332), side stoppers
   4         5-5, sound opening bid, denies 2 fast losers in either side suit
   4         RKC in .
  2          4+ , Reverse Drury. limit raise.
   2         5+cards or no other bid
    2NT        waiting, may have 2fit, does not promise both side stops
    3        3+
    3        Splinter 3+, sound opening bid, an honor in unbid suit
    3NT        15-17 Balanced, 2fit, side stoppers
    4        Splinter 3+, sound opening bid, an honor in unbid suit
    4        Sets as trumps.
    4        Hxx support, no Aces, at most 2 Kings
   2         4 cards.
    2NT        waiting
    3        3+
    3        4
    3NT        15-17 balanced, stopper
    4        splinter, 4, sound opening bid, an honor in unbid suit
    4        Sets as trumps.
    4        Honorxx support, \\no Aces, at most 2 Kings
    4        Honorxxx support, \\no Aces, at most 2 Kings
   2NT         5332, usually, 12-14 or 18+, side stoppers.
    3        3+
    3        4
    3NT        15-17 balanced, stopper
    4        splinter, 4, sound opening bid, an honor in unbid suit
    4        Sets as trumps.
    4        Honorxx support, \\no Aces, at most 2 Kings
   3         4, 15+ HCP, or 5 13+ HCP
    3        3+
    3        No stopper, or advance cue for
    3NT        To Play.
    4        Sets as trumps.
    4        Honorxx support, \\no Aces, at most 2 Kings
   3         3+, sound opening bid
    3        3+
    3        Last train to chattanooga! - interest in slam or avoiding NT
    3NT        To Play.
    4        Sets as trumps.
    4        Honorxx support, \\no Aces, at most 2 Kings
   3         sets as trumps, can play opp. a void, does not promise extras
   3         splinter, 4+, sound opening bid, an honor in unbid suit
   3NT         3523 exactly, 15-17 HCP, side stoppers.
   4         splinter, 4+, 16+ HCP, an honor in unbid suit
   4         5-5, sound opening bid, denies 2 fast losers in either side suit
  2          constructive raise, 7-10(-) 3fit or 5-8 4fit
   2         any short suit game/slamtry
    2NT        Asking bid
     3        short suit game try.
     3        short suit game try.
     3        short suit game try.
     3        short suit Slam try.
     3NT        short suit Slam try.
     4        short suit Slam try.
    3        very bad hand, does not care.
   2NT          help suit, game/slam try
    3        Headed by at most 1 honor.
   3          help suit, game/slam try
    4        Headed by at most 1 honor.
   3          help suit, game/slam try
    4        Headed by at most 1 honor.
   3         Preemptive.
   4         5-5 good suit, Slam try.
    4        1-2 cover card.
    4        0-1 cover card.
    4        RKC in , 2-3 cover cards.
     4NT       0-3 key cards.
      5      Asks for Q?
       5     K+Q.
        5    Confirms all keycards and Q and ask for specific king?
         5NT   K.
         6   K.
       5     No Q.
       5     K+Q.
       5NT     K+Q.
       6     No side K, shows Q.
     5       1-4 key cards.
     5       2 keycards with out Q.
     5       2 keycards + Q.
   4         5-5 good suit, Slam try.
    4        0-1 cover card.
    4        RKC in , 2-3 cover cards.
  2          +, Fit showing raise.
  2NT          Any mini Splinter.4+, 10-11 HCP.
   3         Asks for stiff?
    3        singleton .
     3       5, Balanced.
     3        shortage.
     3NT        shortage.
     4        shortage.
     4       5- 5
     4       5- 5
    3        singleton .
    3        singleton .
   3         15+ Balanced
   3         weak.
   3         14+ Unbalanced.
   3NT         14+ Unbalanced.
   4         14+ 5-5
   4         14+ 5-5
   4         6322/7222, 11-13 HCP.
  3          Invite, 6+cards, ~11 HCP, \\denies 3+, NF
   3         Invitational, Non forcing.
  3          Invite, 6+cards, ~11 HCP, \\denies 3+, NF
   3         Invitational, Non forcing.
  3          Preemptive. 5+
  3          8-11 HCP, Any void splinter, 4+
   3NT         Ask, where is the void?
    4         void.
    4         void.
    4         void.
  4          5+
  4          Weak Long .
 1           12+ HCP, 5+M, may have a longer minor\\3rd hand 1 ~strong 4 card suit
  1NT          Forcing.
   2         2+cards, may be 1-suiter wrong for any other rebid
    2        Bart Convention:\\5H exactly or \\9-10 HCP preference or \\serious Invitational.
     2       To Play. opposite to 5card .
      2      9-10 HCP, doubleton
      3      Serious Invitational.
    2        6+, To Play.
    2        weak preference, very weak raise \\or 7-8 HCP doubleton .\\
    2NT        ~11 HCP, invite
     3       To Play.
     3       Descriptive Game Forcing.
     3       Descriptive Game Forcing.
     3       6+, 3+, Game Forcing.
    3        5+, courtesy raise. 7-9 HCP.
    3        6+, (2 Natural is not available).
    3        6+, 2, Invitational.
    3        Balanced 3 card raise, ~11 HCP.
   2         4+cards, may be 16-17 wrong for jump rebid.
    Pass        Short S, or weak with doubleton .
    2        5+, To Play.
    2        To Play. Weak raise, or \\8-10 doubleton .
    2NT        ~11 HCP, Invitational.
     3       Forcing 1 round.
     3       To Play.
     3       Descriptive Game Forcing.
     3       6+, 3+, Game Forcing.
    3        long suit weak .
    3        4+, Invitational
    3        6+, -2, Invitational.
    3        Balanced 3card raise, ~11 HCP
   2         4+.
    Pass        Short S, or weak with doubleton .
    2        To Play. Weak raise, or \\8-10 doubleton .
    2NT        ~11 HCP, Invitational.
     3       Forcing 1 round.\\May be 5-5 Majors.
     3       Forcing 1 round.\\May be 5-5 Majors.
     3       5-5 Majors, \\Pass or coreect to 3 to play.
     3       6+, 4, Game Forcing.
    3        Long suit weak .
    3        Long suit weak .
    3        courtesy raise, 4+
    3        Balanced 3card raise, ~11 HCP
    4        10+ HCP, 4+.
   2         6+, \\Denies 4 unless are very weak
    2NT        ~11 HCP, invite, usually short
    3        Long suit, weak, short
    3        Long suit, weak, short
    3        ~11 HCP, doubleton
    4        6+, 2, orginal Invitational.
    4        Balanced 3card raise, ~11 HCP.
   2NT         17(+)-20, semiforcing
   3         Game Forcing. may be 6-3(2) occasionally.
    3        5+.
     4       self suffficient suit.
    3        5+
    3        doubleton , or weak raise
    3NT        No - interest.
    4        5+, forcing.
     4       RKC in .
     4       Self sufficient suit.
    4        RKC in
    4        Limit, Balanced, 3 fit
    4NT        Quantitative. No fit.
   3         Game Forcing. may be 6-3 occasionally.
    3        5+
    3        Doubleton , or weak raise
    3NT        No - interest.
    4        7+cards, short
     4       RKC in .
     4       Self sufficient suit.
    4        5+.
    4        RKC in .
    4        Limit, Balanced, 3 fit
    4NT        Quantitative. No fit.
   3         Game Forcing. 4+.
    3        Artificical, waiting, interest in extra card in partner's majors.
     3NT       5, 4/5.
     4       544
     4       544
     4       wants to play 4M opposite doubleton
     4       6+-4.
    3NT        Willing to play opposite 5-5 Majors, may have 2 or 3
    4        7+cards, short \\
    4        7+cards, short
    4        4+.
    4        Balanced, 3 fit Invitational.
    4NT        RKC in .
   3         16-18 HCP, 6+good .
   3NT         Solid , 6+, some extras but not much.
  2          3 card , Reverse drury.
   2         Artificical. Game Forcing/Slam try.
    2        No stopper.
    2        Most hands with 3card support\\Follow-ups (Cue-bid)
    2NT        Waiting stopper.
    3        Splinter, 4+, sound opening bid, an honor in unbid suit
    3        Picture-bid, 5+-4, most strength in suits
    3NT        11-12 Balanced, stopper
    4        Hxx support, no Aces, at most 2 Kings
   2         4+ and 5+.
    2        Most hands with 3card support\\Follow-ups (Cue-bid)
    2NT        Waiting stopper.
    3        No stopper.
    3        Picture-bid, 5+-4, most strength in suits
    3NT        15-17 Balanced, stopper.
    4        splinter, 4+H, sound opening bid, an honor in unbid suit
    4        Hxxx support, no Aces, at msot 2 Kings.
    4        Hxx support, no Aces, at most 2 Kings
   2         5+ or no other bid.
    2NT        Waiting, may have 2fit, does not promise both side stoppers.
    3        Splinter, 4+, sound opening bid, an honor in unbid suit
    3        3 support.
    3NT        15-17 Balanced, side stoppers
    4        splinter, 3+, sound opening bid, an honor in unbid suit
    4        splinter, 3+, sound opening bid, an honor in unbid suit
    4        Hxx support, no Aces, at most 2 Kings
   2NT         5332 usually, 12-14 HCP, or 18+, side stoppers.
    3        3+ support.
    4        Splinter, 4+, sound opening bid, an honor in unbid suit
    4        Splinter, 4+, sound opening bid, an honor in unbid suit
    4        Hxx support, no Aces, at most 2 Kings
   3         4+. sound opening hand.
    4        Hxx support, no Aces, at most 2 Kings
   3         Splinter, 4+, sound opening bid, an honor in unbid suit
   3         Splinter, 4+, sound opening bid, an honor in unbid suit
   3         Sets as trumps, Game Forcing. Slam try.
   3NT         15-17, 5332, side stoppers.
   4         5-5, sound opening bid, denies 2 fast losers in either side suit
   4         RKC in .
   4         Jumps to game shows less than 4 controls
  2          4 card , Reverse drury.
   2         4.
    2        Most hands with 3card support\\Follow-ups (Cue-bid)
    2NT        Waiting stopper.
    3        No stopper.
    3        Picture-bid, 5+-4, most strength in suits
    3NT        15-17 Balanced, stopper.
    4        Splinter, 4+H, sound opening bid, an honor in unbid suit
    4        Sets as trumps.
    4        Hxxx support, no Aces, at msot 2 Kings.
    4        Hxx support, no Aces, at most 2 Kings
   2         5+ or no other bid.
    2NT        Waiting, may have 2 fit, does not promise both side stops.
    3        3+ support.
    3NT        15-17 Balanced, both side stops.
    4        Splinter, 3+, sound opening bid, an honor in unbid suit
    4        Sets as trumps.
    4        Splinter, 3+, sound opening bid, an honor in unbid suit
    4        Hxx support, no Aces, at most 2 Kings
   2NT         5332 usually, 12-14 HCP, or 18+, side stoppers.
    3        3+ support.
    4        Splinter, 4+, sound opening bid, an honor in unbid suit
    4        Sets as trumps.
    4        Splinter, 4+, sound opening bid, an honor in unbid suit
    4        Hxx support, no Aces, at most 2 Kings
   3         4, 15+HCP, or 5 with 13 HCP.
    3        No stopper or advance to Cue-bid for .
    3        3+ support.
    4        Sets as trumps.
    4        Hxx support, no Aces, at most 2 Kings
   3         3+, sound opening bid.
    3        Last train to chattanooga:\\either interest in slam in , or \\interest in not playing 3NT
    3        3+ support.
    4        Sets as trumps.
    4        Hxx support, no Aces, at most 2 Kings
   3         Splinter, 4+, sound opening bid, an honor in unbid suit
    4        Hxx support, no Aces, at most 2 Kings
   3         Sets S as trumps, can play opp. a void, does not promise extras \\Follow-ups (now Cue-bid).
   3NT         5323 exactly (usually), 15-17 HCP, side stoppers.
   4         Splinter, 4+, 16+ HCP, an honor in unbid suit.
   4         5-5, sound opening bid, denies 2 fast losers in either side suit
   4         RKC in .
    4        0 or 3 keycards.
     4NT       Asks for Q?
      5      K+Q
      5      No Q.
      5      K+Q.
      5      K+Q.
      6      No side King.
     5       Confirms all Keycards and Q, \\asks for specific King?
      5      K
      6      K.
      6      K.
    4NT        1 or 4 key cards.
     5       Asks for Q?
      5      No Q.
      5      K+Q.
      5      K+Q.
      5NT      K+Q.
      6      No side King.
     5       Confirms all Keycards and Q, \\asks for specific King?
      5      K
      6      K.
      6      K.
    5        2 key cards without Q.
     5       Confirms all Keycards and Q, \\asks for specific King?
      5      K
      6      K.
      6      K.
    5        2 key cards + Q.
     5       Confirms all Keycards and Q, \\asks for specific King?
      5      K
      6      K.
      6      K.
    5        0 or 3 keycards and useful void.
    5        1 or 4 keycards and useful void.
    5NT        2 key cards with out Q and useful void.
    6        2 key cards with Q and useful void.
   4         Jumps to game show less than 4 controls.
  2          Natural., 8-11 HCP, Good 5 card suit or imperfect weak two, Non forcing.
   2         6+ or no other bid.
    2NT        Waiting, may have 2 fit, does not promise both side stops.
    3        3+ support.
    3NT        15-17 Balanced, both side stops.
    4        Splinter, 3+, sound opening bid, an honor in unbid suit
    4        Splinter, 3+, sound opening bid, an honor in unbid suit
    4        No slam interest, long suit little else.
    4        Hxx support, no Aces, at most 2 Kings
   2NT         5233 or 51(43) usually, 12-14 HCP, or 18+, side stoppers.
    3        3+ support.
    4        Splinter, 4+, sound opening bid, an honor in unbid suit
    4        Splinter, 4+, sound opening bid, an honor in unbid suit
    4        To Play.
    4        Hxx support, no Aces, at most 2 Kings
   3         4, 15+HCP, or 5 with 13 HCP.
    3        No stopper or advance Cue-bid for .
    3        3+ support.
    4        No slam interest, long suit little else.
    4        Hxx support, no Aces, at most 2 Kings
   3         3+, sound opening bid.
    3        3+ support.
    4        Natural. 6-5.
    4        No slam interest, long suit little else.
    4        Hxx support, no Aces, at most 2 Kings
   3         3+ support. any strength.
    4        Hxx support, no Aces, at most 2 Kings
   3         Sets as trumps, can play opp. a void, does not promise extras \\Follow-ups (now Cue-bid).
   3NT         5233 exactly (usually), 15-17 HCP, side stoppers.
   4         Splinter, 4+, 16+ HCP, an honor in unbid suit.
   4         Splinter, 4+, sound opening bid, an honor in unbid suit
   4         5422 minimum No minors A/K.
   4         Jumps to game show less than 4 controls.
  2          constructive raise, 7-10(-) 3fit or \\5-8 HCP, 4fit
   2NT         any short suit game/slamtry
    3        Asks for shortness.
    3        very bad hand, does not care
   3         help suit game/slam try
    3        No help in the suit.
     4       choice of game.
    4        shows 3/4 card suit headed by at most one honor
   3         help suit game/slam try
    3        No help in the suit.
     4       choice of game.
    4        shows 3/4 card suit headed by at most one honor
   3         help suit game/slam try
    3        No help in the suit.
     4       5-5 in Majors, choice of game.
    4        shows 3/4 card suit headed by at most one honor
   3         Preemptive.
   4         5-5 good suits slamtry
    4        1-2 cover cards.
    4        0-1 cover card.
    4NT        RKC in , 3 cover cards.
   4         5-5 good suits slamtry
    4        0-1 cover cards.
    4        0-1 cover card.
    4NT        RKC in , 3 cover cards.
  2NT          Any mini Splinter. 4+, 10-11 HCP.
   3         Where is the singleton?
    3        singleton .
    3        singleton
    3        singleton .
    4        To Play.
   3         15+ Balanced, followups Cue-bid.
   3         14+ Unbalanced.
   3         14+ Unbalanced.
   3NT         14+ Unbalanced.
   4         14+ 5-5, then follow-ups Cue-bid.
   4         14+ 5-5, then follow-ups Cue-bid.
   4         14+ 5-5, then follow-ups Cue-bid.
   4         6322/7222, 11-13 HCP.
  3          Invite, 6+, ~11 HCP, denies 3+S, Non forcing.
   3         Invitational , Non forcing.
  3          Invite, 6+, ~11 HCP, denies 3+S, Non forcing.
   3         Invitational, Non forcing.
  3          Invite, ~11 HCP, \\ Fit and showing.
  3          5 raise.
  3NT          8-11 HCP and any void splinter, 4+S
   4         Where is the void?
    4         void.
    4         Void.
    4         Void.
  4          5+, Preemptive.

1             12+ HCP, 3+
 1           4+cards, Forcing 1 round,\\occ. 6-7 HCP, Balanced. \\Usually denies 4 card Majors.
  1          4 cards, Non forcing.
   1         Natural or 4SGF
    1NT        12-14 HCP.
     2       weak.
     2       weak.
     2       Game Forcing.
     2       Game Forcing.
     2NT       Invitational
     3       Invitational
     3       Invitational
     3       Game Forcing.
     3       Game Forcing.
     3NT       To Play.
    2        5+, Unbalanced.
    2        3+, Unbalanced.
    2        Like a double-raise in , 15+ HCP 4
     2       To Play.
     3       Game Forcing. May not have 4 card .
     3       Game Forcing. May not have 4 card .
     3       Game Forcing. May not have 4 card .
     3       11+ HCP and 4.
     3NT       To Play.
     4       To Play.
    2        Like normal 1-1-2.
    2NT        18-19 HCP.
   1NT         Non forcing
   2         Non forcing.
   2         Non forcing.
   2         Non forcing.
   2         Natural, 4+-4+, 15+ HCP
   2NT         Invitational.
   3         Invitational.
   3         Invitational.
  1          4 cards, Non forcing.
   2         4th suit forcing.
    2NT        Non forcing.
    3        Non forcing.
    3        Invitational.
    3NT        To Play.
  1NT          12-14 HCP. No 4 card Majors.
  2          6+.
  2          4+ Fit, or 3 card Fit with a stiff Major. Denies 4 card Major.
  2          Game Forcing. Unbalanced.
  2          Game Forcing. Unbalanced.
  2NT          18-19 HCP. Balanced No 4 card major.
   3         Game Forcing.
   3         Game Forcing.
   3         Game Forcing.
   3         Game Forcing.
   3NT         To Play.
  3          6+, 16-18 HCP.
  3          4+, 15-17 HCP. Unbalanced. No 4 card Majors.
  3          Splinter, 18+ HCP. 4+, Denies 4 card Majors.
  3          Splinter, 18+ HCP. 4+, Denies 4 card Majors.
  3NT          Solid suit, at least partial side stops
   4         Sets as trumps.
  4          6+ Nice , 4 good , Slam try.
  4          7-4 freak, but minimum.
 1           4+ cards. May bypass bad 4card suit.
  1          4 Cards.
   1NT         To Play.
   2         To Play.
   2         4th suit forcing to game.
   2         To Play.
   2          support.
   2NT         Invitational
   3         Invitational
   3         Invitational
  1NT          12-14 HCP. Denies 4.
   2         Transfer to 2. Sign off or invite.
    2        Forced to bid 2.
     2       Unbalanced. 5+
     2NT       Balanced 5.
     3       Mild distributional.
   2         Artificical, Game Forcing. checkback.
    2        3.
     2       4.
     2NT       waiting, 5.
     3       Natural. may have 4 card .
     3       Natural. may have 4 card .
     3       Sets as trumps.
     3       Splinter.
    2        4.
    2NT        Natural.
    3        Natural.
    3        Natural.
   2         To Play.
   2NT         4 and Invitational.
   3         Distributional, Invitational.
   3         Distributional, Invitational.
   3         Distributional, Invitational.
  2          6+ or 5-4.
   2         New minor forcing. Asks support.
   2         forcing to game.
  2          Reverse, 17+ HCP.
   2         Weak.
    2        Game Forcing., 4th suit forcing.
    2NT        minimum, Non forcing.
    3        minimum, Non forcing.
    3        5+, Invitational
    3        Game Forcing, doubleton no side stop.
    4        3, minimum.
   2         Forcing one round. 4th suit forcing.
    2NT        22(45) or stopper.
     3       weak.
     3       Game Forcing.
     3       Game Forcing.
    3        minimum. No / support.
     3       Game Forcing.
     3       Game Forcing.
     3       weak.
    3        Game Forcing.
    3        Game Forcing.
    3        3.
    4        3, minimum.
   2NT         6-12 HCP, 4, Forcing one round.
    3        Non forcing.
     3NT       8-12.
    3        Non forcing.
     3NT       8-12.
    3        Game Forcing.
    3        Game Forcing. 4th suit forcing.
   3         Game Forcing. usually 4
   3         Game Forcing. usually 4, Artificical 4th forcing to game.
   3         6+, constructive.
   3         Natural.
   3NT         13-14, HCP.
  2          4, or 3 with singleton or void.\\or bad doubleton without 4.
   2         seminatural game/slamtry
    2NT        3 Fit, minimum, stopper or length
    3        3 Fit min, 5, \\No stopper or length
    3        3 Fit, min, No stopper, Non forcing
    3        4, minimum.
    3        4-4, max
    3NT        3 Fit, max, stopper
    4        4 Fit, good for slam, Artificical.
    4        4 Fit, bad for slam
   2NT         Descriptive invite, NF, just 4
    3        Descriptive invite, NF, just 4
   3         Descriptive invite, NF, just 4.
   3         seminatural game/slamtry
    3        other minimums.
    3        3 Fit, max, \\No stopper/length
    3NT        3 Fit, max, stopper/length
    4        4 Fit, good for slam, Artificical.
    4        3, max, No stopper, 1345
    4        4 Fit, max, bad for slam.
   3         5+, Invitational.
   3NT         Choice of game, just 4.
    Pass        passes with 3fit or some 4333's.
  2          jump shift, Game Forcing. 4.
  2NT          18-19, Balanced, may have 4.
   3         Artificical signoff signal.\\or choice of game at 5 minor.
    3        Denies 3 .
     Pass       To Play.
     3       To Play.
     3       5++4, Game Forcing.
     3NT       To Play.
    3        3.
     Pass       To Play.
     3       5+4, Game Forcing. choice of game.
     3NT       Choice of game. with 5card , may have mild slamtry.
      Pass      To Play.
      4      Artificical, slammish max
      4      To Play.
     4       To Play.
    3        4.
     Pass       To Play.
     3NT       Choice of game. with 5card , may have mild slamtry.
      Pass      To Play.
      4      Artificical, slammish max
      4      To Play.
     4       To Play.
     4       To Play.
   3         New minor forcing.\\checkback, checking other 4.
    3        3
     3NT       Non forcing, interest in minor.
     4       Natural. Slammish.
     4       Natural. Slammish.
    3        Denies 3.\\4.
     3NT       Non forcing.
     4       Sets suit.
     4       Natural. Slammish.
    3NT        Default.
     4       Natural. Slam try.
     4NT       Quantitative.
   3         6+, Game Forcing.
    4        Artificical, flag for , slammish.
    4        Bad for slam.
   3         4-4 Majors Game Forcing.
    3NT        To Play.
    4        Artificical, flag for .
    4        To Play.
  3          6+, 16-18 HCP.
   3         Waiting, looking for 3 fit \\or 4th suit stopper usually.
   3         6+ or can play opp a doubleton
   3         5+-4.
   3NT         To Play.
   4         5+
   4         4+.
   4NT         Quantitative.
  3          Any 15+ HCP.
   3         Double negative. \\(Pass and 4 are the only options).
   3         Asking bid
    3NT        1, 18+
    4        1, 15-17 HCP.
    4        Splinter .
  3          14-15 HCP. 2425
  3          18+HCP. 2425
  3NT          Solid suit, at least partial side stops.
   4         Sets suit as trump.
  4          6+, 4, Slam try. GF
  4          18-19HCP, 4card raise 4432/4333
  4          minimum 7-4 gamble, honors only in the 2 suits ().
 1           4+ cards. May bypass bad 4card suit.
  1NT          12-14 HCP. Balanced.
   2         Transfer to 2. Sign off or invite.
    2        Forced to bid 2.
     2       Unbalanced. 5+
     2NT       Balanced 5.
     3       Mild distributional.
   2         Artificical, Game Forcing. checkback.
    2        4.
     2       4.
     2NT       waiting, 5.
     3       Natural. may have 4 card .
     3       Natural. may have 4 card .
     3       Sets as trumps.
     3       Splinter.
    2        3.
    2NT        Natural.
    3        Natural.
    3        Natural.
   2         To Play.
   2         To Play.
   2NT         4 and Invitational.
   3         Distributional, Invitational.
   3         Distributional, Invitational.
   3         Distributional, Invitational.
  2          6+ or \\5 with singleton sometimes.
   2         New minor forcing.
   2         weak
   2         weak.
  2          Reverse, 17+, occasionally a good 3card suit or 1444
   2         Natural. Forcing one round.
   2         Weak.
    2NT        minimum, Non forcing.
     3       weak.
     3       Game Forcing.
     3       Game Forcing.
    3        minimum, Non forcing.
     3       Game Forcing.
     3       Game Forcing.
     3       weak.
    3        Game Forcing.
    3        Game Forcing.
    3        Game Forcing.\\Doubleton and no side stop.
    4        3 minimum,
   2NT         6-12 HCP, 4, Forcing one round.
    3        Non forcing.
     3NT       8-12.
    3        Non forcing.
     3NT       8-12.
    3        Game Forcing. 4th suit forcing.
    3        Game Forcing.
   3         Game Forcing. usually 4
   3         Game Forcing. usually 4, Artificical 4th forcing to game.
   3         4+, constructive.
   3         constructive.
   3NT         13-14, HCP.
  2          Reverse, 17+HCP, occasionally, 1444
   2         Weak.
    2NT        minimum, Non forcing.
     3       weak.
     3       Game Forcing.
     3       Game Forcing.
    3        minimum, Non forcing.
     3       Game Forcing.
     3       Game Forcing.
     3       weak.
    3        Game Forcing.
    3        Game Forcing.\\Doubleton and no side stop.
    4        3 minimum,
   2NT         6-12 HCP, 4, Forcing one round.
   3         Game Forcing. usually 4
   3         Game Forcing. usually 4, Artificical 4th forcing to game.
   3         4+, constructive.
   3         constructive.
   3NT         13-14. HCP.
  2          4 Fit, or 3 Fit with singleton/void or bad doubleton.
   2NT         Descriptive invite, NF, just 4
   3         Descriptive invite, NF, just 4
   3         seminatural game/slamtry
    3        3 Fit, max, \\No stopper/length.
    3        Any minimum.
    3NT        3 Fit, max, stopper/length
    4        4 Fit, good for slam, Artificical.
    4        4, 3, max, 3145
    4        4 Fit, max, bad for slam.
   3         seminatural game/slamtry
    3        minimum.
    3NT        3 Fit, max, at least some length.
    4        4 Fit, good for slam, Artificical.
    4        3415, max
    4        4 Fit, max, bad for slam.
   3         5+, Invitational.
   3NT         choice of game, just 4,
    Pass        opener passes with 3fit or some 4333's.
    4        To Play.
  2NT          18-19 HCP, Balanced.
   3         Artificical signoff signal.\\or choice of game at 5 minor.
    3        Denies 3 .
     Pass       To Play.
     3       5 + 4+.
     3       To Play.
     3NT       To Play.
    3        3.
     Pass       To Play.
     3       5+4, Game Forcing. choice of game.
     3NT       Choice of game. with 5card , may have mild slamtry.
      Pass      To Play.
      4      Artificical, slammish max
      4      To Play.
     4       To Play.
    3        3.
     Pass       To Play.
     3NT       Choice of game. with 5card , may have mild slamtry.
      Pass      To Play.
      4      Artificical, slammish max
       4     To Play.
      4      To Play.
     4       To Play.
   3         New minor forcing.\\checkback, checking other 4 or 3.
    3        4
     3NT       Non forcing.
     4       Natural. Slammish.
     4       Natural. Slammish.
    3        3.
     3NT       Non forcing.
     4       Natural. Slammish.
     4       Natural. Slammish.
    3NT        Default.
     4       Natural. Slam try.
     4NT       Quantitative.
   3         5++4, Game Forcing.
    3        3 exactly.
    3NT        2-2, To Play.
    4        Artificical, flag for , slammish.
     4       To Play.
     4       To Play.
    4        Artificical, flag for , slammish.
    4        minimum.
    4        minimum.
   3         6+, Game Forcing.
    3NT        To Play.
    4        Artificical, flag for . slammish.
     4       Bad for slam.
    4        To Play.
  3          6+, 16-18 HCP.
  3          Bad 18-HCP balanced raise
   3         To Play.
  3          Any 15+ HCP, Splinter raise.
   3         Double negative. \\Pass or 4 are the only options.
    Pass        To Play.
    4        To Play.
   3NT         Asks for further clarification.
    4        1, 18+ HCP.
    4        1, 17 HCP.
  3          4225, Good 14-15 HCP.
  3NT          Solid suit, at least partial stops,
   4         Sets as trumps. Unbalanced.
  4          Great , 4, Slam try.
  4          18-19 HCP. 4225
  4          18-19 HCP. 4333/4432 raise
  4          min 7-4 gamble, honors only in these 2 suits.
 1NT           8-10 HCP. No 4 card Majors. \\May have 4.
  2          6(5)+
  2          Reverse, 17+, may be (41)44
  2          Reverse, 17+, occ. a good 3card suit.
  2          Reverse, 17+, occ. a good 3card suit.
  2NT          15-16 usually 5 or 4441's
  3          6+, 16-18 HCP.
  3NT          Solid , at least major stops.
   4         Sets as trumps.
 2           Forcing 1 round, or 4+, 10+ HCP. Balanced.\\(Later 3 Majors are stoppers only)
  2          Game Forcing. Natural. Unbalanced. Artificical Balanced.
   2         Natural.
   2         Natural.
   2NT         5, 11 HCP. nonforcing.
   3         stopper
   3         stopper
   3NT         15-17 HCP.
  2          Natural. Unbalanced. Game Forcing.
   2         Natural.
   3         stopper or Natural.
   3         stopper.
   3NT         15-17 HCP.
  2          Natural. Unbalanced. Game Forcing.
   3         Stopper.
   3NT         15-17 HCP.
  2NT          Non forcing, bad Balanced hand, say nothing about stoppers.
   3         To Play.
  3          Non forcing, bad unbalanced hand.
  3          Splinter, solid opening hand.
  3          Splinter, 4+, sound opening bid.
  3          Splinter, 4+, sound opening bid.
  3NT          18-19 HCP.
 2           Strong jump shift.\\\\If passed earlier, Limit raise.
  2          Game forcing. Natural. Unbalanced.
   2         stopper
   3NT         15-17, Balanced.
  2          Game forcing. Natural. Unbalanced.
   3         stopper.
   3NT         15-17, Balanced.
  2NT          NF, bad balanced hand, says nothing about stoppers
   3         To Play.
  3          Game Forcing. Natural-Unbalanced. Artificical-Balanced. \\(if opps does not bid, 3NT next bid, it shows natural).\\
  3          Non forcing, bad Unbalanced hand.
  3          Splinter, solid opening hand.
  3          Splinter, solid opening hand.
  3NT          18-19 HCP. Balanced.
 2           3 way. \\(a) invite to 3N, \\(b) strong jumpshift in , \\(c) mixed 7-9 HCP raise.\\
  2          Asks for further description of the bid.
   2NT         4 and Invitational to 3NT.
   3         mixed with 7-9 HCP. raise.
   3         strong jump shift .
   3         strong jump shift .
  2NT          same but accepts an invite to 3N and wants to declare
   3NT         Invitational to 3N but just 4
   4         strong jumpshift in .
 2           strong jump shift.\\\\If passed earlier, fit showing.
 2NT           13-15 or 18+ bal GF, no 4M\\\\If passed earlier, 10-11 HCP.
  3          Natural.
  3          Natural.\\4cards conc. usually, short in Majors.
  3          4cards conc. usually, short in .
  3          4cards conc. usually, short in .
 3           5+, ~4-6 HCP, NF
  3          Game Forcing.
  3          Game Forcing.
 3           Splinter, 5+, denies 4 Majors, some Slam try.
  3NT           stopper, No slam interest.
  4          may be minimum no stopper, or cue
 3           Splinter, 5+, denies 4 Majors, some Slam try.
  3NT           stopper, No slam interest.
  4          may be minimum no stopper, or cue
 3           Splinter, 5+, denies 4 Majors, some Slam try.
  3NT           stopper, No slam interest.
  4          may be minimum no stopper, or cue
 3NT           16-17 HCP. Balanced, GF,\\No 4 Majors.
  4          Sets . unbalanced.
 4           6+, Preemptive.
 4           RKC for .
  4          0 or 3 key cards.
   4         Asks for Q of trump?
    4NT        K+Q.
    5        No trump Q.
    5        K+Q.
    5        K+Q.
   5         Confirms all keycards and Q. \\Asks for specific King?
    5        K.
    5        K.
    5NT        K.
    6        No king.
  4          1 or 4 key cards.
   4NT         Asks for trump Q?
    5        No trump Q.
    5        K+Q.
    5        K+Q.
    5        K+Q.
   5         Confirms all keycards and Q. \\Asks for specific King?
    5        K.
    5        K.
    5NT        K.
    6        No king.
  4NT          2 key cards. without Q of trumps
  5          2 key cards. + Q of trumps
 4           Long suit. Weak.
 4           Long suit. Weak.

1             12+ HCP, 4(3)+, 4-4 can choose to open either minor
 1           4+ cards.
  1          4 Cards.
   1NT         To Play.
   2         4th suit forcing to game.
   2         To Play.
   2NT         Invitational
   3         Invitational
  1NT          12-14 HCP. Denies 4.
   2         Transfer to 2. Sign off or invite.
    2        Forced to bid 2.
     2       Unbalanced. 5+
     2NT       Balanced 5.
     3       Mild distributional.
   2         Artificical, Game Forcing. checkback.
    2        3.
     2       4.
     2NT       waiting, 5.
     3       Natural. may have 4 card .