Mazur

Default principles
Offensive bidding
Bidding diagrams
1               12+p 4+ all shapes
 1             (0-5p any shape) or (6+p 3)
  1            12-19p 4+ denies 5+ and 16-19p balanced
   1           6+p 4+ 3
    1NT          
     2         11+p 5
      2        12-13p misfit
      2        12-13p fit
      2        14-15p fit
      2NT        14-15p misfit
   1NT           6-10p natural 3
   2           10+p 3 Drury 3
    2          17-19p transfer->2
     2         mandatory
      2        17-19p 4441
      2NT        17-19p 4 stopper
      3        17-19p 45+ no stopper
      3        17-19p 45+ no stopper
      3        17-19p 5+
    2          11-12p
    2          13-14p 4 no stopper
    2NT          13-14p 4 stopper
    3          15-16p 45+ no stopper
    3          15-16p 45+ no stopper
    3          13-14p 5+ game inviting
    3          15-16p 4441
    3NT          15-16p 4 stopper
    4          15-16p 5+ control
    4          15-16p 5+ control
    4          13-14p 5+ short
   2           10+p 5+ 3
   2           10-11 losers 4+
   2           8 losers 3 6
   2NT           10-12p natural 3
   3           10-12p 6 3
   3           10-12p 6 3
   3           10-12p 6 3
  1            12-19p 4+5+ or 16-19p 44 balanced
  1NT            16-19 4 balanced no 4
   2           Transfer->2
   2           Transfer->2
   2           Transfer->2
   2           Transfer->2!N
   2NT           Transfer->3
  2            +20p 4 4+ eccentric hand
   2           0-3p 5 misfit
   2           0-3p to play
   2           0-3p 5 misfit
   2NT           4+p Relay
    3          20-22p 46
    3          23-25p 444
    3          20-22p 453
    3          20-22p 453
   3           0-3p to play
   3           4-5p 4
  2            +20p 4 4+ eccentric hand
   2           0-3p to play
   2           0-3p 5 misfit
   2NT           4+p Relay
    3          20-22p 444
    3          20-22p 46
    3          20-22p 453
    3          20-22p 453
    3NT          20-22p 4522
   3           0-3p 5 misfit
   3           0-3p to play
   3           4-5p 4
  2            4 losers 54+m
   2           Relay Game forcing
    3          54+ short Spades
    3          54+ short Spades
    3          54 3
    3          54 3
   3           Weak
  2            4 losers 45+
  2NT            20-22p 4 balanced
  3            7 losers 46
  3            7 losers 46
  3            4 losers 64
  3NT            23-25p 4 balanced
  4            3 losers 64 short
  4            3 losers 64 short
 1             6+p 4+
  1            3 or 4 with 8 losers
  1NT            12-15p misfit
  2            16+p 4-5 stopper
  2            16+p 4-5 stopper
  2            6-7 losers 6
  2            6-7 losers 4+
  2NT            16-17p
  3            7 losers 46
  3            7 losers 46
  3            5 losers 6
  3            5 losers 4+5+
 1             6+p Texas->NT
  1NT            12-15p
   2           10+p 5
   2           10+p 5
   2           10+p 4432 semi-stopper
   2           10+p 4432 no stopper
   2NT           10-12p 4432 stopper
   3           13+p 4432 no stopper
   3NT           13+p 4432 stopper
  2            16+p 4-5 stopper
  2            16+p 4-5 stopper
  2            6-7 losers 6
  2            6-7 losers 4+5+
  2NT            16-17p
  3            7 losers 46
  3            7 losers 46
  3            5 losers 6
  3            5 losers 4+5+
  4            3 losers 6 short
  4            3 losers 6 short
  4            4 losers 6
 1NT             (4+p Texas->) or (10+p natural)
  2            (Misfit ) or (minimum hand)
   2           7-9 55
   2           16+p 6
   2           7-9 55
   2NT           11-12p to play
   3           13-15p 6
   3           13+p 55
   3           13+p 55
 2             4+p Texas->
  2            (Misfit ) or (minimum hand)
   2           16+p 6
   2           7-9p 55
   2NT           11-12p to play
   3           10-12p 55
   3           13-15p 6
   3           13+p 55
 2             6+p fit 4+
  2            7-8 losers
  2            6 losers
   4           Transfer->
  2NT            5 losers
  3            4 losers
  Any            
   2           4+ game or slam try
   2NT           Even nr. key cards; game or slam try
   3           Control game or slam try
   3           Control game or slam try
 2             4+p Texas->
  2            (misfit ) or (minimum hand)
   2NT           10-12p 5
   3           10-12p 55
   3           10-12p 55
 2             AKQxxx or AKJxxx undefined suit
 2NT             10-12p 6
 3             10-12p 6
 3             9 losers fit 5
 3             10-12p 6 2
 3             10-12p 6 0-1
 4             Splinter. Distributional hand
 4             Splinter. Distributional hand
 4             No shortness. Distributional hand

1               12+p 4+ all shapes (4+ excluded in 11-19p range)
 1             (0-5p any shape) or (6+p 3)
  1            12-19 4+ denies 4 or 16-19p balanced
   1NT           6-10p natural
   2           10+p 3 Drury
    2          Transfer->2H 17-19p
     2         mandatory
      2        17-19p 4441
      2NT        17-19p 4 stopper
      3        17-19p 45+ no stopper
      3        17-19p 45+ no stopper
      3        17-19p 5+
    2          13-14p 4 no stopper
    2          11-12p 4-5
    2NT          13-14p 4 stopper
    3          15-16p 45+ no stopper
    3          15-16p 45+ no stopper
    3          15-16p 4441
    3          13-14 5+
    3NT          15-16p 4 stopper
    4          15-16p 5+ control
    4          15-16p 5+ control
    4          15-16p 5+ control
    4          13-14p 5+ short
   2           7+p 6_3 or 10+p 6+_3
   2           10+p 5+_3
   2           4-5p 4+
   2NT           10-12p natural 3
   3           10-12p 6 3
   3           10-12p 6 3
   3           10-12p losers 6 3
  1NT            16-19 4 balanced
   2           Transfer->2
   2           Transfer->2
   2           Transfer->2
   2           Transfer->2!N
   2NT           Transfer->3
  2            +20p 4 4+ eccentric hand
   2           0-3p 5 misfit
   2           0-3p 5 misfit
   2NT           4+p Relay
    3          20-22p 46
    3          23-25p 444
    3          20-22p 453
    3          20-22p 453
    3NT          20-22p 4522
   3           0-3p to play
   3           4-5p 4
  2            +20p 4 4+ eccentric hand
   2           0-3p 5 misfit
   2           0-3p to play
   2NT           4+p Relay
    3          20-22p 444
    3          20-22p 46
    3          20-22p 453
    3          20-22p 453
    3NT          20-22p 4522
   3           0-3p 5 misfit
   3           0-3p to play
   3           4-5p 4
  2            4 losers 4 5+
  2            4 losers 5 4+m
   2NT           Relay Game forcing
    3          54+ short Hearts
    3          54+ short Hearts
    3          54 3
    3          54 3
   3           Weak
  2NT            20-22p 4 balanced
  3            7 losers 4 6
  3            7 losers 4 6
  3            4 losers 6 4
  3            5 losers 6
  3NT            23-25p 4 balanced
  4            3 losers 64 short
  4            3 losers 64 short
 1             6+p Texas->NT
  1NT            12-15p
  2            16+p 4-5 stopper
  2            16+p 4-5 stopper
  2            4 losers 4+5+
  2            6-7 losers 6
  2NT            16-17p
  3            7 losers 46
  3            7 losers 46
  3            4 losers 64
  3            5 losers 6
 1NT             (Texas-> undefined force) or (10+p natural)
  2            (misfit ) or (minimum hand)
   2           7-9 55
   2           7-9 55
   2           16+p 6
   2NT           11-12p to play
   3           13-15p 6
   3           13+p 55
   3           13+p 55
 2             Texas-> undefined force
  2            (misfit ) or (minimum hand)
   2           7-9 55
   2           7-9p 55
   2           16+p 6
   2NT           11-12p to play
   3           10-12p 55
   3           13-15p 6
   3           13+p 55
 2             Texas-> undefined force
  2            (misfit ) or (minimum hand)
   2NT           11-12p 5
   3           10-12p 55
   3           10-12p 55
   3           13-15p 6
 2             6+p fit 4+
  2            7-8 losers minimum hand
  2NT            6 losers
   4           Transfer->
  3            5 losers
  3            4 losers
  Any            
   2NT           Even nr. key cards; game or slam try
   3           Control game or slam try
   3           Control game or slam try
   3           Control game or slam try
 2             AKQxxx or AKJxxx undefined suit
 2NT             10-12p 6
 3             10-12p 6
 3             10-12p 6
 3             9 losers fit 5
 4             Splinter. Distributional hand
 4             Splinter. Distributional hand
 4             No shortness. Distributional hand

1               16-19p balanced; 12+p 5+; denies 4M
 1             Relay 0-6p or 10+p
  1NT            16-19p balanced (5422 possible)
  2            11-19p 5+
  2            20-22 55
  2            20-22p 543
  2            20-22p 543
  2NT            20-22p 5422
  3            4 losers 6
  3            3 losers 55
  3            23-25p 543
  3            23-25p 543
 1NT             Relay 7-9p
  2            12-15p 6
  2            16+p balanced
  2            16+p 5+3
  2            16+p 5+3
  2NT            16-17p 5422
  3NT            18-19p 5422
 2             Texas-> undefined force
 2             Texas-> undefined force
 2             Texas-> undefined force
 2             AKQxxx or AKJxxx undefined suit
 2NT             10-12p 6
 3             10-12p 6
 3             10-12p 6
 3             10-12p 6

1               12+p 6 or 54 always w/o 4M
 1NT             Relay 0-6p or 10+p
  2            12-19p 54+
  2            12-19p 6
  2            20-22p 543
  2            20-22p 543
  2NT            20-22p 5422
  3            4 losers 55
  3            4 losers 6
 2             Relay 7-9p
  2            12-15p 5+
  2            16+p 5+D3
  2            16+p 5+D3
  2NT            16-17p 5422
  3NT            18-19p 5422
 2             Texas-> undefined force
 2             Texas-> undefined force
 2             AKQxxx or AKJxxx undefined suit
 2NT             10-12p 6
 3             4-6p 4
 3             10-12p 6
 3             10-12p 6

1NT               12-15p balanced. No 4 card major
 2             Transfer -> 2. May be weak
  2            mandatory transfer
   2           weak 55. Opener should choose
   2           asking opener’s force
    2NT          minimum
    3          maximum short in
    3          maximum short in
    3          maximum short in
    3          maximum short in
    3NT          maximum 4333
   2NT           5 inviting to game
   3           54 inviting to game
   3           6 inviting to game
   3           54 GF short in
   3           54 GF short in
 2             Transfer -> 2. May be weak
  2            
   2           55 inviting to game
   2NT           5 inviting to game
   3           55 inviting to game
   3           55 inviting to game
   3           6 inviting to game
   3NT           pass or correct to 4 with fit
   4           sign-off
 2             Transfer -> 2. May be weak
  2            
   2NT           5 inviting to game
   3           55 inviting to game
   3           55 inviting to game
   3           5 GF short in
   3           6 inviting to game
   3NT           pass or correct to 4 with fit
   4           sign-off
 2             5+ at least invitational
  2NT            12-13p preference for NT
   3           6 inviting to game
   3           55 inviting to game
   3           54 GF short in
   3           54 GF short in
  3            12-13p preference for 3C
  3            14-15p 5 and xx in
  3            14-15p xx in
  3            14-15p xx in
 2NT             Transfer -> 3. may be weak
 3             weak 4+4+. The opener should choose
 3             55 GF
 3             4441 short in
 3             4441 short in
 4             
  4            Transfer->4D
   4           sign-off
   4           sign-off
 4             Transfer->4
  4            Sign-off
 4             Transfer->4
  4            Sign-off

2               major 2suiter : weak 54 54 55 or strong 44 56 65 66
 2             Relay (if weak - no preference)
  2            weak 54
  2            weak 4-55
  2NT            20-22p 4!4S balanced
  3            20-22p 4!4S4-5
  3            20-22p 4!4S4-5
  3            4 losers 6
  3            4 losers 6
  3NT            23-25p 4!4S balanced
  4            3 losers 6
  4            3 losers 6
 2             weak - preference
  2NT            20-22p 4!4S balanced
  3            20-22p 4!4S4-5
  3            20-22p 4!4S4-5
  3            inviting to game
  3NT            23-25p 4!4S balanced
 2             weak - preference
  2NT            20-22p 4!4S balanced
  3            20-22p 4!4S4-5
  3            20-22p 4!4S4-5
  3            inviting to game
  3NT            23-25p 4!4S balanced
 2NT             to play (misfit in majors)
 3             44 - inviting to game
 3             4+ - inviting to game
 3             4+ - inviting to game
 3NT             to play (misfit in majors)
 4             44

2               weak 6 or 54+x or strong 5+
 2             no interest in game
  2            3 losers 54
  2NT            20-22p 5 balanced
  3            3 losers 54
  3            3 losers 54
  3            4 losers 6
  3            3 losers 55
  3NT            23-35p 5 balanced
 2             5 0-2 forcing
  2NT            weak 6 minimum
  3            weak 54+
  3            weak 54+
  3            weak 6 maximum
  3            weak 6 minimum with 3
 2NT             Relay - at least invitational w/o 5
  3            weak 54+
  3            weak 54+
  3            weak 6 minimum
  3            weak 6 maximum
 3             6 0-2 game forcing
 3             6 0-2 game forcing
 3             preempt

2               weak 6 or 54+m or strong 5+
 2             no interest in game
  2NT            20-22p 5 balanced
  3            3 losers 54
  3            3 losers 54
  3            4 losers 54
  3            4 losers 6
  3NT            23-35p 5 balanced
 2NT             5 0-2 forcing
  3            weak 54+
  3            weak 54+
  3            weak 6 minimum 3
  3            weak 6 minimum misfit
  3NT            weak 6 maximum misfit
 3             Relay - at least invitational
  3            weak 5 4
  3            weak 5 4
  3            weak 6 minimum
  3NT            weak 6 maximum
 3             6 0-2 forcing
 3             6 0-2 forcing
 3             preempt

2               weak 55 or 6 or forcing game 6
 2NT             Relay (preference if weak)
  3            weak 6
   3           3NT try : Stopper
   3           3NT try : Stopper and
   3           5+ forcing
   3NT           to play
 3             to play if weak opening

2NT               20-22p balanced. No 4 card major
 3             Transfer->3
  3            Mandatory transfer
   3           short
   3           short
   3NT           KQxxxx or KJxxxx
 3             Transfer->3
 3             Transfer->3
 3             KQxxxx or KJxxxx
 3NT             to play
 4             6 slam try
 4             6 slam try

3               6 weak or forcing game 6
 3             to play if weak opening
 3             3NT try : stopper
 3             3NT try : stopper and
 3NT             to play

3               preempt or forcing game 6+
 3             to play if weak opening
  3            forcing game control 3 key cards
  3NT            forcing game 4 key cards
  4            forcing game control 3 key cards
  4            forcing game control 3 key cards
  4            2 key cards
 3             fit control
 4             fit control
 4             fit control
 4             fit control
 4             fit preempt

3               preempt or forcing game 6+
 3             to play if weak opening
  3NT            forcing game 4 key cards
  4            forcing game control 3 key cards
  4            forcing game control 3 key cards
  4            forcing game control 3 key cards
  4            2 key cards

3               AKQxxxx in undefined suit

3NT               preempt in undefined minor

4               AKQxxxxx or AKQxxxx + Ace
 4             asking side ace

4               AKQxxxxx or AKQxxxx + Ace
 4             asking side ace

7               Third and seat

7NT               Test vulnerable

Disturbed bidding
Bidding diagrams
1               12+p 4+ all shapes
 (D)             
  1            6+p 3
 (1)             
  D            6+p 3
  1NT            Texas->
  2            5+ no stopper
 (1)             
  D            Texas->NT with or without stopper
  1NT            Stopper ; Texas-> or natural
  2            6+p 3+
  2            10-12p 6 no stopper
 (1NT)             
  Pass            2H
  D            Texas->
  2            Texas->
  2            Texas->
  2            Texas->
  Any            2H
 (2)             
  D            Negative double
  2            7+p 3-4
  2            Texas->
  2            Texas->NT Stopper
  2NT            10-12p Natural
  3            Texas-> 10+p at least invitational
  3            Texas-> 4+ at least invitational
  3            Texas-> 6 2 at least invitational
  3            Texas-> 10-12 6 short
  3NT            to play
 (Any)             
  1            
   (Any)           
    2          
     (Any)         
      2NT        
       (Any)       
        3NT      20-22p 4522
    2          
     (Any)         
      2        Relay Game forcing
       (Any)       
        3      54+ short Spades
        3      54+ short Spades
        3      54 3
        3      54 3
      3        Weak
  1            6+p 4+
   (Any)           
    1          3 or 4 with 8 losers
    1NT          12-15p misfit
    2          16+p 4-5 stopper
    2          16+p 4-5 stopper
    2          6-7 losers 6
    2          6-7 losers 4+
    2NT          16-17p
    3          7 losers 46
    3          7 losers 46
    3          5 losers 6
    3          5 losers 4+5+
  1            6+p Texas->NT
   (Any)           
    1NT          12-15p
     (Any)         
      2        10+p 5
      2        10+p 5
      2        10+p 4432 semi-stopper
      2        10+p 4432 no stopper
      2NT        10-12p 4432 stopper
      3        13+p 4432 no stopper
      3NT        13+p 4432 stopper
    2          16+p 4-5 stopper
    2          16+p 4-5 stopper
    2          6-7 losers 6
    2          6-7 losers 4+5+
    2NT          16-17p
    3          7 losers 46
    3          7 losers 46
    3          5 losers 6
    3          5 losers 4+5+
    4          3 losers 6 short
    4          3 losers 6 short
    4          4 losers 6
  1NT            (4+p Texas->) or (10+p natural)
   (Any)           
    2          (Misfit ) or (minimum hand)
     (Any)         
      2        7-9 55
      2        16+p 6
      2        7-9 55
      2NT        11-12p to play
      3        13-15p 6
      3        13+p 55
      3        13+p 55
  2            4+p Texas->
   (Any)           
    2          (Misfit ) or (minimum hand)
     (Any)         
      2        16+p 6
      2        7-9p 55
      2NT        11-12p to play
      3        10-12p 55
      3        13-15p 6
      3        13+p 55
  2            6+p fit 4+
   (D)           
    Pass          8 losers
    RD          7 losers
    2          6 losers
    2          5 losers
    2NT          4 losers
    3          4 losers
   (2)           
    Pass          8 losers
    D          7 losers
    2NT          6 losers
    3          5 losers
    3          4 losers
    3          4 losers
   (Any)           
    2          7-8 losers
    2          6 losers
    2NT          5 losers
    3          4 losers
  2            4+p Texas->
   (Any)           
    2          (misfit ) or (minimum hand)
     (Any)         
      2NT        10-12p 5
      3        10-12p 55
      3        10-12p 55
  2            AKQxxx or AKJxxx undefined suit
  2NT            10-12p 6
  3            10-12p 6
  3            9 losers fit 5
  3            10-12p 6 2
  3            10-12p 6 0-1
  4            Splinter. Distributional hand
  4            Splinter. Distributional hand
  4            No shortness. Distributional hand
 1             (0-5p any shape) or (6+p 3)
  (D)            
   RD           16+p 5+ or 20+p any distribution
   1           12-15p 5+
   1           12-19p 4+5+
   1NT           16-19p balanced
   2           16-19p 4 5+
   2           16-19p 4 5+
   2           16-19p 6
   2NT           20-22p balanced
   3           12-13p 4 6+
   3           12-13p 4 6+
  (1)            
   D           16+p 5+ or 20+p any distribution
   1NT           16-19p balanced
   2           16-19p 4 5+
   2           16-19p 4 5+
   2           16-19p 6
   2NT           20-22p balanced
   3           12-13p 4 6+
   3           12-13p 4 6+
  (Any)            
   1           12-19p 4+ denies 5+ and 16-19p balanced
    (Any)          
     1         6+p 4+ 3
      (Any)        
       1NT       
        (Any)      
         2     11+p 5
          (Any)    
           2   12-13p misfit
           2   12-13p fit
           2   14-15p fit
           2NT   14-15p misfit
     1NT         6-10p natural 3
     2         10+p 3 Drury 3
      (Any)        
       2       17-19p transfer->2
        (Any)      
         2     mandatory
          (Any)    
           2   17-19p 4441
           2NT   17-19p 4 stopper
           3   17-19p 45+ no stopper
           3   17-19p 45+ no stopper
           3   17-19p 5+
       2       11-12p
       2       13-14p 4 no stopper
       2NT       13-14p 4 stopper
       3       15-16p 45+ no stopper
       3       15-16p 45+ no stopper
       3       13-14p 5+ game inviting
       3       15-16p 4441
       3NT       15-16p 4 stopper
       4       15-16p 5+ control
       4       15-16p 5+ control
       4       13-14p 5+ short
     2         10+p 5+ 3
     2         10-11 losers 4+
     2         8 losers 3 6
     2NT         10-12p natural 3
     3         10-12p 6 3
     3         10-12p 6 3
     3         10-12p 6 3
   1           12-19p 4+5+ or 16-19p 44 balanced
   1NT           16-19 4 balanced no 4
    (Any)          
     2         Transfer->2
     2         Transfer->2
     2         Transfer->2
     2         Transfer->2!N
     2NT         Transfer->3
   2           +20p 4 4+ eccentric hand
    (Any)          
     2         0-3p 5 misfit
     2         0-3p to play
     2         0-3p 5 misfit
     2NT         4+p Relay
      (Any)        
       3       20-22p 46
       3       23-25p 444
       3       20-22p 453
       3       20-22p 453
     3         0-3p to play
     3         4-5p 4
   2           +20p 4 4+ eccentric hand
    (Any)          
     2         0-3p to play
     2         0-3p 5 misfit
     2NT         4+p Relay
      (Any)        
       3       20-22p 444
       3       20-22p 46
       3       20-22p 453
       3       20-22p 453
       3NT       20-22p 4522
     3         0-3p 5 misfit
     3         0-3p to play
     3         4-5p 4
   2           4 losers 54+m
   2           4 losers 45+
   2NT           20-22p 4 balanced
   3           7 losers 46
   3           7 losers 46
   3           4 losers 64
   3NT           23-25p 4 balanced
   4           3 losers 64 short
   4           3 losers 64 short
  1            12-19p 4+ denies 5+ and 16-19p balanced
   1           6+p 4+ 3
    1NT          
     2         11+p 5
      2        12-13p misfit
      2        12-13p fit
      2        14-15p fit
      2NT        14-15p misfit
   1NT           6-10p natural 3
   2           10+p 3 Drury 3
    2          17-19p transfer->2
     2         mandatory
      2        17-19p 4441
      2NT        17-19p 4 stopper
      3        17-19p 45+ no stopper
      3        17-19p 45+ no stopper
      3        17-19p 5+
    2          11-12p
    2          13-14p 4 no stopper
    2NT          13-14p 4 stopper
    3          15-16p 45+ no stopper
    3          15-16p 45+ no stopper
    3          13-14p 5+ game inviting
    3          15-16p 4441
    3NT          15-16p 4 stopper
    4          15-16p 5+ control
    4          15-16p 5+ control
    4          13-14p 5+ short
   2           10+p 5+ 3
   2           10-11 losers 4+
   2           8 losers 3 6
   2NT           10-12p natural 3
   3           10-12p 6 3
   3           10-12p 6 3
   3           10-12p 6 3
  1            12-19p 4+5+ or 16-19p 44 balanced
  1NT            16-19 4 balanced no 4
   2           Transfer->2
   2           Transfer->2
   2           Transfer->2
   2           Transfer->2!N
   2NT           Transfer->3
  2            +20p 4 4+ eccentric hand
   2           0-3p 5 misfit
   2           0-3p to play
   2           0-3p 5 misfit
   2NT           4+p Relay
    3          20-22p 46
    3          23-25p 444
    3          20-22p 453
    3          20-22p 453
   3           0-3p to play
   3           4-5p 4
  2            +20p 4 4+ eccentric hand
   2           0-3p to play
   2           0-3p 5 misfit
   2NT           4+p Relay
    3          20-22p 444
    3          20-22p 46
    3          20-22p 453
    3          20-22p 453
    3NT          20-22p 4522
   3           0-3p 5 misfit
   3           0-3p to play
   3           4-5p 4
  2            4 losers 54+m
   2           Relay Game forcing
    3          54+ short Spades
    3          54+ short Spades
    3          54 3
    3          54 3
   3           Weak
  2            4 losers 45+
  2NT            20-22p 4 balanced
  3            7 losers 46
  3            7 losers 46
  3            4 losers 64
  3NT            23-25p 4 balanced
  4            3 losers 64 short
  4            3 losers 64 short
 1             6+p 4+
  1            3 or 4 with 8 losers
  1NT            12-15p misfit
  2            16+p 4-5 stopper
  2            16+p 4-5 stopper
  2            6-7 losers 6
  2            6-7 losers 4+
  2NT            16-17p
  3            7 losers 46
  3            7 losers 46
  3            5 losers 6
  3            5 losers 4+5+
 1             6+p Texas->NT
  1NT            12-15p
   2           10+p 5
   2           10+p 5
   2           10+p 4432 semi-stopper
   2           10+p 4432 no stopper
   2NT           10-12p 4432 stopper
   3           13+p 4432 no stopper
   3NT           13+p 4432 stopper
  2            16+p 4-5 stopper
  2            16+p 4-5 stopper
  2            6-7 losers 6
  2            6-7 losers 4+5+
  2NT            16-17p
  3            7 losers 46
  3            7 losers 46
  3            5 losers 6
  3            5 losers 4+5+
  4            3 losers 6 short
  4            3 losers 6 short
  4            4 losers 6
 1NT             (4+p Texas->) or (10+p natural)
  2            (Misfit ) or (minimum hand)
   2           7-9 55
   2           16+p 6
   2           7-9 55
   2NT           11-12p to play
   3           13-15p 6
   3           13+p 55
   3           13+p 55
 2             4+p Texas->
  2            (Misfit ) or (minimum hand)
   2           16+p 6
   2           7-9p 55
   2NT           11-12p to play
   3           10-12p 55
   3           13-15p 6
   3           13+p 55
 2             6+p fit 4+
  (D)            
   Pass           8 losers
   RD           7 losers
   2           6 losers
   2           5 losers
   2NT           4 losers
   3           4 losers
  (2)            
   Pass           8 losers
   D           7 losers
   2NT           6 losers
   3           5 losers
   3           4 losers
   3           4 losers
  2            7-8 losers
  2            6 losers
   4           Transfer->
  2NT            5 losers
  3            4 losers
  Any            
   2           4+ game or slam try
   2NT           Even nr. key cards; game or slam try
   3           Control game or slam try
   3           Control game or slam try
 2             4+p Texas->
  2            (misfit ) or (minimum hand)
   2NT           10-12p 5
   3           10-12p 55
   3           10-12p 55
 2             AKQxxx or AKJxxx undefined suit
 2NT             10-12p 6
 3             10-12p 6
 3             9 losers fit 5
 3             10-12p 6 2
 3             10-12p 6 0-1
 4             Splinter. Distributional hand
 4             Splinter. Distributional hand
 4             No shortness. Distributional hand

1               12+p 4+ all shapes (4+ excluded in 11-19p range)
 (D)             
  1            6+p 3
 (1)             
  D            6+p 3
  1NT            Stopper; Texas-> or natural
 (1NT)             
  D            Texas->
  2            Texas->
  2            Texas->
  2            Texas->
 (2)             
  D            7+p (5+ 4+) or (5 3)
  2            Texas->
  2            Texas-> fit 4+ 7+p
  2            Texas->NT Stopper
  2NT            10-12p Natural
  3            Texas-> 10+p at least invitational
  3            Texas-> 10+ 6 at least invitational
  3            Texas-> 4+ at least invitational
  3            preempt
  3NT            to play
 (2)             
  D            Texas->
  2            Texas-> fit 4+ 7+p
  2            Texas->NT Stopper
  2NT            10-12p Natural
  3            Natural 10+p at least invitational
  3            Texas-> 10+ 6 at least invitational
  3            Texas-> 4+ at least invitational
  3            preempt
  3NT            to play
 (Any)             
  1            6+p Texas->NT
   (Any)           
    1NT          12-15p
    2          16+p 4-5 stopper
    2          16+p 4-5 stopper
    2          4 losers 4+5+
    2          6-7 losers 6
    2NT          16-17p
    3          7 losers 46
    3          7 losers 46
    3          4 losers 64
    3          5 losers 6
  1NT            (Texas-> undefined force) or (10+p natural)
   (Any)           
    2          (misfit ) or (minimum hand)
     (Any)         
      2        7-9 55
      2        7-9 55
      2        16+p 6
      2NT        11-12p to play
      3        13-15p 6
      3        13+p 55
      3        13+p 55
  2            Texas-> undefined force
   (Any)           
    2          (misfit ) or (minimum hand)
     (Any)         
      2        7-9 55
      2        7-9p 55
      2        16+p 6
      2NT        11-12p to play
      3        10-12p 55
      3        13-15p 6
      3        13+p 55
  2            Texas-> undefined force
   (Any)           
    2          (misfit ) or (minimum hand)
     (Any)         
      2NT        11-12p 5
      3        10-12p 55
      3        10-12p 55
      3        13-15p 6
  2            6+p fit 4+
   (D)           
    Pass          8 losers
    RD          7 losers
    2          6 losers
    2NT          5 losers
    3          4 losers
    3          4 losers
   (Any)           
    2          7-8 losers minimum hand
    2NT          6 losers
    3          5 losers
    3          4 losers
  2            AKQxxx or AKJxxx undefined suit
  2NT            10-12p 6
  3            10-12p 6
  3            10-12p 6
  3            9 losers fit 5
  4            Splinter. Distributional hand
  4            Splinter. Distributional hand
  4            No shortness. Distributional hand
 1             (0-5p any shape) or (6+p 3)
  (D)            
   RD           16+p 5+ or 20+p any distribution
   1           12-15p 5+
   1NT           16-19p balanced
   2           16-19p 4 5+
   2           16-19p 4 5+
   2           16-19p 6
   2NT           20-22p balanced
   3           12-13p 4 6+
   3           12-13p 4 6+
  (1)            
   D           16+p 5+ or 20+p any distribution
   1NT           16-19p balanced
   2           16-19p 4 5+
   2           16-19p 4 5+
   2           16-19p 6
   2NT           20-22p balanced
   3           12-13p 4 6+
   3           12-13p 4 6+
  (Any)            
   1           12-19 4+ denies 4 or 16-19p balanced
    (Any)          
     1NT         6-10p natural
     2         10+p 3 Drury
      (Any)        
       2       Transfer->2H 17-19p
        (Any)      
         2     mandatory
          (Any)    
           2   17-19p 4441
           2NT   17-19p 4 stopper
           3   17-19p 45+ no stopper
           3   17-19p 45+ no stopper
           3   17-19p 5+
       2       13-14p 4 no stopper
       2       11-12p 4-5
       2NT       13-14p 4 stopper
       3       15-16p 45+ no stopper
       3       15-16p 45+ no stopper
       3       15-16p 4441
       3       13-14 5+
       3NT       15-16p 4 stopper
       4       15-16p 5+ control
       4       15-16p 5+ control
       4       15-16p 5+ control
       4       13-14p 5+ short
     2         7+p 6_3 or 10+p 6+_3
     2         10+p 5+_3
     2         4-5p 4+
     2NT         10-12p natural 3
     3         10-12p 6 3
     3         10-12p 6 3
     3         10-12p losers 6 3
   1NT           16-19 4 balanced
    (Any)          
     2         Transfer->2
     2         Transfer->2
     2         Transfer->2
     2         Transfer->2!N
     2NT         Transfer->3
   2           +20p 4 4+ eccentric hand
    (Any)          
     2         0-3p 5 misfit
     2         0-3p 5 misfit
     2NT         4+p Relay
      (Any)        
       3       20-22p 46
       3       23-25p 444
       3       20-22p 453
       3       20-22p 453
       3NT       20-22p 4522
     3         0-3p to play
     3         4-5p 4
   2           +20p 4 4+ eccentric hand
    (Any)          
     2         0-3p 5 misfit
     2         0-3p to play
     2NT         4+p Relay
      (Any)        
       3       20-22p 444
       3       20-22p 46
       3       20-22p 453
       3       20-22p 453
       3NT       20-22p 4522
     3         0-3p 5 misfit
     3         0-3p to play
     3         4-5p 4
   2           4 losers 4 5+
   2           4 losers 5 4+m
    (Any)          
     2NT         Relay Game forcing
      (Any)        
       3       54+ short Hearts
       3       54+ short Hearts
       3       54 3
       3       54 3
     3         Weak
   2NT           20-22p 4 balanced
   3           7 losers 4 6
   3           7 losers 4 6
   3           4 losers 6 4
   3           5 losers 6
   3NT           23-25p 4 balanced
   4           3 losers 64 short
   4           3 losers 64 short
  1            12-19 4+ denies 4 or 16-19p balanced
   1NT           6-10p natural
   2           10+p 3 Drury
    2          Transfer->2H 17-19p
     2         mandatory
      2        17-19p 4441
      2NT        17-19p 4 stopper
      3        17-19p 45+ no stopper
      3        17-19p 45+ no stopper
      3        17-19p 5+
    2          13-14p 4 no stopper
    2          11-12p 4-5
    2NT          13-14p 4 stopper
    3          15-16p 45+ no stopper
    3          15-16p 45+ no stopper
    3          15-16p 4441
    3          13-14 5+
    3NT          15-16p 4 stopper
    4          15-16p 5+ control
    4          15-16p 5+ control
    4          15-16p 5+ control
    4          13-14p 5+ short
   2           7+p 6_3 or 10+p 6+_3
   2           10+p 5+_3
   2           4-5p 4+
   2NT           10-12p natural 3
   3           10-12p 6 3
   3           10-12p 6 3
   3           10-12p losers 6 3
  1NT            16-19 4 balanced
   2           Transfer->2
   2           Transfer->2
   2           Transfer->2
   2           Transfer->2!N
   2NT           Transfer->3
  2            +20p 4 4+ eccentric hand
   2           0-3p 5 misfit
   2           0-3p 5 misfit
   2NT           4+p Relay
    3          20-22p 46
    3          23-25p 444
    3          20-22p 453
    3          20-22p 453
    3NT          20-22p 4522
   3           0-3p to play
   3           4-5p 4
  2            +20p 4 4+ eccentric hand
   2           0-3p 5 misfit
   2           0-3p to play
   2NT           4+p Relay
    3          20-22p 444
    3          20-22p 46
    3          20-22p 453
    3          20-22p 453
    3NT          20-22p 4522
   3           0-3p 5 misfit
   3           0-3p to play
   3           4-5p 4
  2            4 losers 4 5+
  2            4 losers 5 4+m
   2NT           Relay Game forcing
    3          54+ short Hearts
    3          54+ short Hearts
    3          54 3
    3          54 3
   3           Weak
  2NT            20-22p 4 balanced
  3            7 losers 4 6
  3            7 losers 4 6
  3            4 losers 6 4
  3            5 losers 6
  3NT            23-25p 4 balanced
  4            3 losers 64 short
  4            3 losers 64 short
 1             6+p Texas->NT
  1NT            12-15p
  2            16+p 4-5 stopper
  2            16+p 4-5 stopper
  2            4 losers 4+5+
  2            6-7 losers 6
  2NT            16-17p
  3            7 losers 46
  3            7 losers 46
  3            4 losers 64
  3            5 losers 6
 1NT             (Texas-> undefined force) or (10+p natural)
  2            (misfit ) or (minimum hand)
   2           7-9 55
   2           7-9 55
   2           16+p 6
   2NT           11-12p to play
   3           13-15p 6
   3           13+p 55
   3           13+p 55
 2             Texas-> undefined force
  2            (misfit ) or (minimum hand)
   2           7-9 55
   2           7-9p 55
   2           16+p 6
   2NT           11-12p to play
   3           10-12p 55
   3           13-15p 6
   3           13+p 55
 2             Texas-> undefined force
  2            (misfit ) or (minimum hand)
   2NT           11-12p 5
   3           10-12p 55
   3           10-12p 55
   3           13-15p 6
 2             6+p fit 4+
  (D)            
   Pass           8 losers
   RD           7 losers
   2           6 losers
   2NT           5 losers
   3           4 losers
   3           4 losers
  2            7-8 losers minimum hand
  2NT            6 losers
   4           Transfer->
  3            5 losers
  3            4 losers
  Any            
   2NT           Even nr. key cards; game or slam try
   3           Control game or slam try
   3           Control game or slam try
   3           Control game or slam try
 2             AKQxxx or AKJxxx undefined suit
 2NT             10-12p 6
 3             10-12p 6
 3             10-12p 6
 3             9 losers fit 5
 4             Splinter. Distributional hand
 4             Splinter. Distributional hand
 4             No shortness. Distributional hand

1               16-19p balanced; 12+p 5+; denies 4M
 (D)             
  RD            5
 (1)             
  D            5
 (Any)             
  1NT            Relay 7-9p
   (Any)           
    2          12-15p 6
    2          16+p balanced
    2          16+p 5+3
    2          16+p 5+3
    2NT          16-17p 5422
    3NT          18-19p 5422
  2            Texas-> undefined force
  2            Texas-> undefined force
  2            Texas-> undefined force
  2            AKQxxx or AKJxxx undefined suit
  2NT            10-12p 6
  3            10-12p 6
  3            10-12p 6
  3            10-12p 6
 1             Relay 0-6p or 10+p
  (Any)            
   1NT           16-19p balanced (5422 possible)
   2           11-19p 5+
   2           20-22 55
   2           20-22p 543
   2           20-22p 543
   2NT           20-22p 5422
   3           4 losers 6
   3           3 losers 55
   3           23-25p 543
   3           23-25p 543
  1NT            16-19p balanced (5422 possible)
  2            11-19p 5+
  2            20-22 55
  2            20-22p 543
  2            20-22p 543
  2NT            20-22p 5422
  3            4 losers 6
  3            3 losers 55
  3            23-25p 543
  3            23-25p 543
 1NT             Relay 7-9p
  2            12-15p 6
  2            16+p balanced
  2            16+p 5+3
  2            16+p 5+3
  2NT            16-17p 5422
  3NT            18-19p 5422
 2             Texas-> undefined force
 2             Texas-> undefined force
 2             Texas-> undefined force
 2             AKQxxx or AKJxxx undefined suit
 2NT             10-12p 6
 3             10-12p 6
 3             10-12p 6
 3             10-12p 6

1               12+p 6 or 54 always w/o 4M
 (D)             
  RD            5
 (2)             
  D            5
 (Any)             
  1NT            
   (Any)           
    2          12-19p 54+
    2          12-19p 6
    2          20-22p 543
    2          20-22p 543
    2NT          20-22p 5422
    3          4 losers 55
    3          4 losers 6
  2            Relay 7-9p
   (Any)           
    2          12-15p 5+
    2          16+p 5+D3
    2          16+p 5+D3
    2NT          16-17p 5422
    3NT          18-19p 5422
  2            Texas-> undefined force
  2            Texas-> undefined force
  2            AKQxxx or AKJxxx undefined suit
  2NT            10-12p 6
  3            4-6p 4
  3            10-12p 6
  3            10-12p 6
 1NT             Relay 0-6p or 10+p
  2            12-19p 54+
  2            12-19p 6
  2            20-22p 543
  2            20-22p 543
  2NT            20-22p 5422
  3            4 losers 55
  3            4 losers 6
 2             Relay 7-9p
  2            12-15p 5+
  2            16+p 5+D3
  2            16+p 5+D3
  2NT            16-17p 5422
  3NT            18-19p 5422
 2             Texas-> undefined force
 2             Texas-> undefined force
 2             AKQxxx or AKJxxx undefined suit
 2NT             10-12p 6
 3             4-6p 4
 3             10-12p 6
 3             10-12p 6

1NT               12-15p balanced. No 4 card major
 (2)             
  D            Transfer->2D
 (2)             
  D            Transfer->2H
 (2)             
  D            Transfer->2S
 (2)             
  D            5+ inviting to game
 (Any)             
  2            Transfer -> 2. May be weak
   (Any)           
    2          mandatory transfer
     (Any)         
      2        weak 55. Opener should choose
      2        asking opener’s force
       (Any)       
        2NT      minimum
        3      maximum short in
        3      maximum short in
        3      maximum short in
        3      maximum short in
        3NT      maximum 4333
      2NT        5 inviting to game
      3        54 inviting to game
      3        6 inviting to game
      3        54 GF short in
      3        54 GF short in
  2            Transfer -> 2. May be weak
   (Any)           
    2          
     (Any)         
      2        55 inviting to game
      2NT        5 inviting to game
      3        55 inviting to game
      3        55 inviting to game
      3        6 inviting to game
      3NT        pass or correct to 4 with fit
      4        sign-off
  2            Transfer -> 2. May be weak
   (Any)           
    2          
     (Any)         
      2NT        5 inviting to game
      3        55 inviting to game
      3        55 inviting to game
      3        5 GF short in
      3        6 inviting to game
      3NT        pass or correct to 4 with fit
      4        sign-off
  2            5+ at least invitational
   (Any)           
    2NT          12-13p preference for NT
     (Any)         
      3        6 inviting to game
      3        55 inviting to game
      3        54 GF short in
      3        54 GF short in
    3          12-13p preference for 3C
    3          14-15p 5 and xx in
    3          14-15p xx in
    3          14-15p xx in
  2NT            Transfer -> 3. may be weak
  3            weak 4+4+. The opener should choose
  3            55 GF
  3            4441 short in
  3            4441 short in
  4            
   (Any)           
    4          Transfer->4D
     (Any)         
      4        sign-off
      4        sign-off
  4            Transfer->4
   (Any)           
    4          Sign-off
  4            Transfer->4
   (Any)           
    4          Sign-off
 2             Transfer -> 2. May be weak
  2            mandatory transfer
   2           weak 55. Opener should choose
   2           asking opener’s force
    2NT          minimum
    3          maximum short in
    3          maximum short in
    3          maximum short in
    3          maximum short in
    3NT          maximum 4333
   2NT           5 inviting to game
   3           54 inviting to game
   3           6 inviting to game
   3           54 GF short in
   3           54 GF short in
 2             Transfer -> 2. May be weak
  2            
   2           55 inviting to game
   2NT           5 inviting to game
   3           55 inviting to game
   3           55 inviting to game
   3           6 inviting to game
   3NT           pass or correct to 4 with fit
   4           sign-off
 2             Transfer -> 2. May be weak
  2            
   2NT           5 inviting to game
   3           55 inviting to game
   3           55 inviting to game
   3           5 GF short in
   3           6 inviting to game
   3NT           pass or correct to 4 with fit
   4           sign-off
 2             5+ at least invitational
  2NT            12-13p preference for NT
   3           6 inviting to game
   3           55 inviting to game
   3           54 GF short in
   3           54 GF short in
  3            12-13p preference for 3C
  3            14-15p 5 and xx in
  3            14-15p xx in
  3            14-15p xx in
 2NT             Transfer -> 3. may be weak
 3             weak 4+4+. The opener should choose
 3             55 GF
 3             4441 short in
 3             4441 short in
 4             
  4            Transfer->4D
   4           sign-off
   4           sign-off
 4             Transfer->4
  4            Sign-off
 4             Transfer->4
  4            Sign-off

2               major 2suiter : weak 54 54 55 or strong 44 56 65 66
 (Any)             
  2            Relay (if weak - no preference)
   (Any)           
    2          weak 54
    2          weak 4-55
    2NT          20-22p 4!4S balanced
    3          20-22p 4!4S4-5
    3          20-22p 4!4S4-5
    3          4 losers 6
    3          4 losers 6
    3NT          23-25p 4!4S balanced
    4          3 losers 6
    4          3 losers 6
  2            weak - preference
   (Any)           
    2NT          20-22p 4!4S balanced
    3          20-22p 4!4S4-5
    3          20-22p 4!4S4-5
    3          inviting to game
    3NT          23-25p 4!4S balanced
  2            weak - preference
   (Any)           
    2NT          20-22p 4!4S balanced
    3          20-22p 4!4S4-5
    3          20-22p 4!4S4-5
    3          inviting to game
    3NT          23-25p 4!4S balanced
  2NT            to play (misfit in majors)
  3            44 - inviting to game
  3            4+ - inviting to game
  3            4+ - inviting to game
  3NT            to play (misfit in majors)
  4            44
 2             Relay (if weak - no preference)
  2            weak 54
  2            weak 4-55
  2NT            20-22p 4!4S balanced
  3            20-22p 4!4S4-5
  3            20-22p 4!4S4-5
  3            4 losers 6
  3            4 losers 6
  3NT            23-25p 4!4S balanced
  4            3 losers 6
  4            3 losers 6
 2             weak - preference
  2NT            20-22p 4!4S balanced
  3            20-22p 4!4S4-5
  3            20-22p 4!4S4-5
  3            inviting to game
  3NT            23-25p 4!4S balanced
 2             weak - preference
  2NT            20-22p 4!4S balanced
  3            20-22p 4!4S4-5
  3            20-22p 4!4S4-5
  3            inviting to game
  3NT            23-25p 4!4S balanced
 2NT             to play (misfit in majors)
 3             44 - inviting to game
 3             4+ - inviting to game
 3             4+ - inviting to game
 3NT             to play (misfit in majors)
 4             44

2               weak 6 or 54+x or strong 5+
 (D)             
  Pass            To play 2 doubled
  RD            Forcing; invitational or weak
  2            to play
 (Any)