murali 200905

Default principles
Offensive bidding
Bidding diagrams
Opening bids:
1♥ Nat
1♠ Nat
1NT 15 to 17 Balanced
2♣ Strong
2♦ 11-15 points 5♥ 4♠
3NT Long unspecified minor

  2♣              10+ points 4+ !%X%

  2♦              Game Force

  2♥              Pre-emptive

  2♠              Pre-emptive

  3♣              Game Force
  3♦            No 5 card major but at least one 4 card major
   3♥           4 card ♠ suit
   3♠           4 card ♥ suit
   4♦           Both majors
  3♥            5 card ♥ suit
  3♠            5 card ♠ suit
  3NT            No 4 card major

  3♦              Pre-emptive

  3♥              Transfer to ♠

  3♠              Transfer to 3N

  3NT              5 ♠ and 4 ♥

  4♣              Key card asking

  4♦              Transfer to ♥

  4♥              Transfer to ♠


After bidding 1♥
  1NT              Semi Forcing

  2♣              10+ points 3 or 4 card support
  2♥            5 card ♥ suit
  2NT            6 card ♥suit

  2♦              10+ points 3 card support
  2♥            5 card ♥ suit
  2NT            6 card ♥suit

  2NT              Near Opening hand
  3♣            Shortness in !%Z%
  3♦            Shortness in !%Z%
  3♠            Second good suit
  4♣            Ace Asking
   4♦           0 Ace
   4♥           1 Ace
   4♠           2 Ace
   4NT           3 Ace
  4♦            Second good suit
  4♥            No interest in proceeding further

  3♣              4 card !%X% and 6 – 9points

  3♦              4 card !%X% 10+ points

  3♥              

  3♠              Unknown shortness 9 to 12 points
  3NT            Where is your shortness?
   4♣           ♣ shortness
   4♦           ♦ shortness
   4♥           ♥ shortness


After bidding 1♠
  1NT              Semi Forcing

  2♣              10+ points 3 or 4 card support
  2♠            5 card ♠ suit
  2NT            6 card ♠ suit

  2♦              10+ points 3 card support
  2♠            5 card ♠ suit
  2NT            6 card ♠ suit

  2NT              Near Opening hand
  3♣            Shortness in !%Z%
  3♦            Shortness in !%Z%
  3♥            Shortness in !%Z%
  4♣            Ace Asking
   4♦           0 Ace
   4♥           1 Ace
   4♠           2 Ace
   4NT           3 Ace
  4♦            Second good suit
  4♥            Second good suit
  4♠            No interest in proceeding further

  3♣              4 card !%X% and 6 – 9points

  3♦              4 card !%X% 10+ points

  3♠              

  3NT              Unknown shortness 9 to 12 points
  4♣            Where is your shortness?
   4♦           ♣ shortness
   4♥           ♦ shortness
   4♠           ♥ shortness


After bidding 1NT
  2♦              Transfer to ♥

  2♥              Transfer to ♠

  2♠              Relay to ♣
  2NT            I Don’t Like ♣
  3♣            I Like ♣
   4♣           Key Card asking

  2NT              Invite
  3♣            I Don’t Like ♦
  3♦            I Like ♦
   4♦           Key Card asking

  3♣              Asking for a 5 card major
  3♦            Denies a 5-card major
   3♥           4 card ♠
   3♠           4 card ♥
  3♥            5 card ♥ suit
  3♠            5 card ♠ suit

  4♦              Transfer to ♥

  4♥              Transfer to ♠


After bidding (1NT)
  D              Both Majors or single suit
  2♣            Relay Bid

  2♣              ♣ and a major
  2♦            Relay Bid
  2♥            Pass or correct

  2♦              ♦ and a major
  2♥            Pass or correct

  2♥              ♥ and a minor
  2NT            Please bid your minor

  2♠              ♠ and a minor
  2NT            Please bid your minor

  2NT              Both Minors


After bidding 2♦
  2NT              Asking further desc of hand
  3♣            shortness in ♣
  3♦            shortness in ♦
  3♥            11-13 points 2 2 in minors
  3♠            14-15 points 2 2 in minors
  4♣            4 card ♣ suit
  4♦            4 card ♦ suit

  4♣              Key cards in ♥

  4♦              Key cards in ♠


After bidding 2♣
  2♥              Bust

  2♠              5 card ♠ suit

  2NT              ♥ suit

  3♣              Good ♣ suit

  3♦              Good ♦ suit


After bidding (3NT)
  4♣              To correct or play


After bidding 3NT
  4♣              To correct or play
Disturbed bidding
Bidding diagrams
1♥ Nat
1♠ Nat
1NT 15 to 17 Balanced
2♣ Strong
2♦ 11-15 points 5♥ 4♠
3NT Long unspecified minor

  2♣              10+ points 4+ !%X%

  2♦              Game Force

  2♥              Pre-emptive

  2♥              

  2♠              Pre-emptive

  2♠              

  3♣              Game Force
  3♦            No 5 card major but at least one 4 card major
   3♥           4 card ♠ suit
   3♠           4 card ♥ suit
   4♦           Both majors
  3♥            5 card ♥ suit
  3♠            5 card ♠ suit
  3NT            No 4 card major

  3♦              Pre-emptive

  3♥              Transfer to ♠

  3♠              Transfer to 3N

  3NT              5 ♠ and 4 ♥

  4♣              Key card asking

  4♦              Transfer to ♥

  4♥              Transfer to ♠


After bidding 1♥
  1NT              Semi Forcing

  2♣              10+ points 3 or 4 card support
  2♥            5 card ♥ suit
  2NT            6 card ♥suit

  2♦              10+ points 3 card support
  2♥            5 card ♥ suit
  2NT            6 card ♥suit

  2NT              Near Opening hand
  3♣            Shortness in !%Z%
  3♦            Shortness in !%Z%
  3♠            Second good suit
  4♣            Ace Asking
   4♦           0 Ace
   4♥           1 Ace
   4♠           2 Ace
   4NT           3 Ace
  4♦            Second good suit
  4♥            No interest in proceeding further

  3♣              4 card !%X% and 6 – 9points

  3♦              4 card !%X% 10+ points

  3♥              

  3♠              Unknown shortness 9 to 12 points
  3NT            Where is your shortness?
   4♣           ♣ shortness
   4♦           ♦ shortness
   4♥           ♥ shortness


After bidding 1♠
  1NT              Semi Forcing

  2♣              10+ points 3 or 4 card support
  2♠            5 card ♠ suit
  2NT            6 card ♠ suit

  2♦              10+ points 3 card support
  2♠            5 card ♠ suit
  2NT            6 card ♠ suit

  2NT              Near Opening hand
  3♣            Shortness in !%Z%
  3♦            Shortness in !%Z%
  3♥            Shortness in !%Z%
  4♣            Ace Asking
   4♦           0 Ace
   4♥           1 Ace
   4♠           2 Ace
   4NT           3 Ace
  4♦            Second good suit
  4♥            Second good suit
  4♠            No interest in proceeding further

  3♣              4 card !%X% and 6 – 9points

  3♦              4 card !%X% 10+ points

  3♠              

  3NT              Unknown shortness 9 to 12 points
  4♣            Where is your shortness?
   4♦           ♣ shortness
   4♥           ♦ shortness
   4♠           ♥ shortness


After bidding 1NT
  2♦              
  2NT            Relay to 3♣
   3♣           As requested
  3♦            Stayman with no stopper in your suit
  3NT            Denies stopper

  2♦              Transfer to ♥

  2♥              Transfer to ♠

  2♥              
  2NT            Relay to 3♣
   3♣           As requested
    3♥          Stayman with ♥ stopper
  3♥            Stayman with no stopper in ♥
  3NT            Denies ♥ stopper

  2♠              Relay to ♣
  2NT            I Don’t Like ♣
  3♣            I Like ♣
   4♣           Key Card asking

  2♠              
  2NT            Relay to 3♣
   3♣           As requested
    3♠          Stayman with ♠ stopper
  3♠            Stayman with no stopper in ♠
  3NT            Denies ♠ stopper

  2NT              Invite
  3♣            I Don’t Like ♦
  3♦            I Like ♦
   4♦           Key Card asking

  3♣              Asking for a 5 card major
  3♦            Denies a 5-card major
   3♥           4 card ♠
   3♠           4 card ♥
  3♥            5 card ♥ suit
  3♠            5 card ♠ suit

  4♦              Transfer to ♥

  4♥              Transfer to ♠


After bidding (1NT)
  D              Both Majors or single suit
  2♣            Relay Bid

  2♣              ♣ and a major
  2♦            Relay Bid
  2♥            Pass or correct

  2♦              ♦ and a major
  2♥            Pass or correct

  2♥              ♥ and a minor
  2NT            Please bid your minor

  2♠              ♠ and a minor
  2NT            Please bid your minor

  2NT              Both Minors


After bidding 2♦
  2NT              Asking further desc of hand
  3♣            shortness in ♣
  3♦            shortness in ♦
  3♥            11-13 points 2 2 in minors
  3♠            14-15 points 2 2 in minors
  4♣            4 card ♣ suit
  4♦            4 card ♦ suit

  4♣              Key cards in ♥

  4♦              Key cards in ♠


After bidding 2♣
  2♥              Bust

  2♠              5 card ♠ suit

  2NT              ♥ suit

  3♣              Good ♣ suit

  3♦              Good ♦ suit


After bidding (3NT)
  4♣              To correct or play


After bidding 3NT
  4♣              To correct or play
Defensive bidding
Bidding diagrams
(1♥)
(1♠)
(1NT)
(2♣)
(2♦)
(2♥)
(2♠)
(3NT)

 (2♥)          

 (2♠)          


After bidding 1NT
 (2♦)          
  2NT         Relay to 3♣
   3♣        As requested
  3♦         Stayman with no stopper in your suit
  3NT         Denies stopper

 (2♥)          
  2NT         Relay to 3♣
   3♣        As requested
    3♥       Stayman with ♥ stopper
  3♥         Stayman with no stopper in ♥
  3NT         Denies ♥ stopper

 (2♠)          
  2NT         Relay to 3♣
   3♣        As requested
    3♠       Stayman with ♠ stopper
  3♠         Stayman with no stopper in ♠
  3NT         Denies ♠ stopper
Udspil