Click on the arrow to open or close the bidding.
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- Pass: No opening bid
-
1♣: Relay precision. 15+ balanced hcp or 16+ unbalanced hcp.
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1♦: 0-8 hcp, any shape
-
1♥: +18 BAL hcp or +19 UNBAL hcp. Forcing for a round. Does not promise ♥.
-
1♠: 0-4 hcp any distribution or 5 BAL hcp.
-
1NT: 18-20NT. Can be slightly unbalanced. Can have a 5-card major.
-
2♣: Artificial, 22+hcp, forcing for a round.
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2♦: 0-2 hcp, any distribution.
-
2NT: 23-24NT. Can be slightly unbalanced. Can have a 5-card major.
-
3NT: 27-28NT. Can be slightly unbalanced. Can have a 5-card major.
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2♥: 3-4 hcp, gameforcing.
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2♠: 3-4 hcp, gameforcing.
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2♦: Natural, non-forcing.
-
2♥: Natural, non-forcing.
-
2♠: Natural, non-forcing.
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2NT: 21-22NT. Can be slightly unbalanced. Can have a 5-card major.
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3♣: Natural, non-forcing.
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3NT: 25-26NT. Can be slightly unbalanced. Can have a 5-card major.
-
1NT: Unknown +5-card major, 5-8 hcp. Gameforce
-
2♣: Relay, ask.
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2♦: 5+♠.
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2♥: 5+♥. BAL or sidesuit ♠.
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2♠: Singlesuiter ♥ (+6♥, no sidesuit)
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2NT: 6+♥, 4+ unknown minor.
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2♣: Balanced (5)6-8 hcp. Gameforce
-
2♦: +5♦,5-8 hcp. Gameforce.
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2♥: +5♣ and a 4-card side suit (6-5 shape is possible). 5-8 hcp.Gameforce
-
2♠: Onesuiter ♣ with +6♣, 5-8hcp. Gameforce.
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2NT: Any 4441-shape, 5-8 hcp. Gameforce.
-
3♣: Exactly 5♦ and 4♣, 5-8 hcp. Gameforce.
-
3♦: +5♦ and exactly 5♣, 5-8 hcp. Gameforce.
-
1♠: Typically 5♠ (on occasion 4♠), 16-18hcp
-
1NT: 15-17 hcp, balanced or semi-balanced. Can have 5♥, but usually not 5♠
-
2♣: Natural, +5♣, 16-19 hcp, usually unbalanced.
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2♦: Artificial ask for sidesuit
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2♦: Natural, +5♦, 16-19 hcp, usually unbalanced.
-
2♥: 5+♥, 16-18 hcp (can be balanced with 5♥)
-
2♠: Transfer to 2NT (always a 6-4 type hand with ♥)
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2NT: Any 5440 shape with 5♥, 16-18 hcp.
-
3♣: 5+♣ and 5♥, nonforcing (16-18 hcp)
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3♦: 5+♦ and 5♥, nonforcing (16-18 hcp)
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3♥: 6+♥ and 5♠, nonforcing (16-18 hcp)
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3♠: 9-trick hand with ♠
-
3NT: To play
-
4♣: 5+♣ and 5♥
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4♦: 5+♦ and 5♥
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4♥: 6+♥ and 5♠
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4♠: To play
-
5♣: To play
-
5♦: To play
-
1♥: 5+♠, 9+ hcp.
-
1♠: Asking bid, almost mandatory
-
1NT: +14 hcp, balanced.
-
2♣: ask
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2♦: +16 hcp
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2♥: 4♠, 14-15 hcp
-
2♠: 4♥, 14-15 hcp
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2NT: no 4MA or 5mi
-
2♣: 5+♠, +12 hcp
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2♦: 5♠ and 4+ minor, minimum.
-
2♥: Balanced or sidesuit ♥, minimum
-
2♠: Onesuiter with ♠, minimum
-
2NT: 6+♠ and 4minor, minimum
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3♣: 5♠ / 5♣, maximum
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3♦: 5♠ / 5♦, maximum
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3♥: 6♠ / 5♣, minimum
-
3♠: 6♠ / 5♦, minimum
-
3NT: 6♠ / 5♥, minimum
-
4♣: 6♠ / 6♣, minimum
-
4♦: 6♠ / 6♦, minimum
-
1NT: +5♥
-
1♠: BAL 9-11 hcp.
-
1NT: Gameforcing relay
-
2♦: 10-11 BAL hcp, can have 4-card major
-
2♥: 4♠, 9-10hcp
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2♠: 4♥, 9-10hcp
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2NT: 9-10 hcp, no 4MA or 5mi
-
3♣: 9-10hcp, 5♣(332) hand
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3♦: 9-10hcp, 5♦(332) hand
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3♥: 9-10hcp, 2-2-4-5 shape
-
3♠: 9-10hcp, 2-2-5.4 shape
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3NT: 10-11hcp, 3-3-3-4 shape
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2♣: Stayman
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2♥: 4♠
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2♠: 4♥
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2NT: No 4 card major
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3♦: 4♥, 4♠
-
1NT: 5+♥, 9-10 hcp.
-
2♣: 5+♦, 9+ hcp, unbalanced
-
2♦: Relay
-
2♥: 4♠
-
2♠: 4♥
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2NT: 5+♣ and 5+♦
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3♣: 6♦, no sidesuit
-
3♦: 6♦ and 4♣
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3♥: 7♦, 8-11hcp
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3♠: Some 7♦(321) type hand, +12hcp
-
3NT: 2-2-7-2 shape, 12+hcp
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4♣: 3-3-7-0 shape, 12+hcp
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4♦: 3-0-7-3 shape, 12+hcp
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4♥: 0-3-7-3 shape, 12+hcp
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2♥: 5+♥, natural
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2♠: 5+♠, natural
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2NT: 15-19NT with 2-3♦
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2♦: 5+♣, 9+ hcp, unbalanced
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2♥: Relay
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2♠: 4♥
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2NT: 4♠
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3♣: 6♣, no sidesuit\\
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3♦: 6♣ and 4♦\\
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3♥: 7♣, 8-11hcp\\
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3♠: Some 7♣(321) type hand, +12hcp\\
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3NT: 2-2-2-7 shape, 12+hcp\\
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4♣: 3-3-0-7 shape, 12+hcp\\
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4♦: 3-0-3-7 shape, 12+hcp\\
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4♥: 0-3-3-7 shape, 12+hcp\\
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2♠: 5+♠, natural
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2NT: 5+♥
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2♥: 5-4/4-5 minor, 9+ hcp
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2♠: 4441 shape with single ♣ or ♠. 9-12 hcp
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2NT: Asking relay
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3♣: Singleton ♣
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3♦: Singleton ♠
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2NT: 4441 shape with single ♦ or ♥. 9-12 hcp
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3♣: Asking relay
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3♦: Singleton ♦
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3♥: Singleton ♥
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3♣: 4441 shape with single ♣ or ♠. 13+ hcp
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3♦: Asking relay
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3♥: Singleton ♣
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3♠: Singleton ♠
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3♦: 4441 shape with single ♦ or ♥. 13+ hcp
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3♥: Asking relay
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3♠: Singleton ♦
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3NT: Singleton ♥
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3♥: 7+♥, 2 of 3 top honors, no side values
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3♠: 7+♠, 2 of 3 top honors, no side values
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3NT: Solid unknown minor
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4♣: 8+♣, not 2 of 3 honors
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4♦: 8+♦, not 2 of 3 honors
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4♥: 8+♥, not 2 of 3 honors
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4♠: 8+♠, not 2 of 3 honors
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1♥: 5+♥, 8-15 hcp or 4-4-1♦-4, 12-15 hcp.
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2♣: Transfer to ♦. Signoff in ♦ or any invitational hand without +4♥
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2♦: Usually (0)1-2 ♦. Not super ♦ fit, no other descriptive bid.
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2NT: Maximum hand with ♦ fit.
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3♦: Minimum hand with ♦ fit.
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2♦: Exactly 3♥, invitational values (10-13hcp)
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2♠: 4+♥, single ♠ and invitational values
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2NT: 4+♥, 6-9 hcp and a singleton
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3♣: 4+♥, 5-9 hcp (Bergen raise, usually no shortness)
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3♦: 4+♥, 10-13 hcp (Bergen raise, usually no shortness)
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3♥: 4+♥, 0-4 hcp.
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3♠: 4+♥, unknown splint (9-12hcp)
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3NT: 4+♥, void in ♠ (9-12hcp).
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4♣: 4+♥, void in ♣ (9-12hcp)
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4♦: 4+♥, void in ♦ (9-12hcp).
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1♠: 5+♠, 8-15 hcp.
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2♣: Transfer. Signoff in ♦ or various invitational hands with 0-2♠ and 10-13hcp
-
2♦: Usually (0)1-2 ♦. Not super ♦ fit, no other descriptive bid.
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2NT: Maximum hand with ♦ fit (+3♦)
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3♦: Minimum hand with ♦ fit (+3♦)
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2♦: Transfer. Signoff in ♥ or various invitational hands with 5+♥ and 10-13hcp
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2♥: Usually (0)1-2 ♥. Not super ♥ fit, no other descriptive bid.
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2♠: Natural, 6+♠, doesn't want to play 2♥
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2NT: Maximum hand with ♥ fit (+3♥)
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3♥: Minimum hand with ♥ fit (+3♥)
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2♥: Exactly 3 card ♠, invitational values (10-13hcp)
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2NT: 4+♠, 6-9 hcp and a singleton
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3♣: 4-card ♠, 5-9 hcp (Bergen raise, usually no shortness)
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3♦: 4-card ♠, 10-13 hcp (Bergen raise, usually no shortness)
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3♥: 4+♠, unknown splint (9-12hcp)
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3♠: 4+♠, 0-4 hcp
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3NT: 4+♠, void in ♥ (9-12hcp)
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4♣: 4+♠, void in ♣ (9-12hcp)
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4♦: 4+♠, void in ♦ (9-12hcp)
- 1♣: Relay precision. 15+ balanced hcp or 16+ unbalanced hcp.
-
1♦: 0-8 hcp, any shape
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1♥: +18 BAL hcp or +19 UNBAL hcp. Forcing for a round. Does not promise ♥.
-
1♠: 0-4 hcp any distribution or 5 BAL hcp.
-
1NT: 18-20NT. Can be slightly unbalanced. Can have a 5-card major.
-
2♣: Artificial, 22+hcp, forcing for a round.
-
2♦: 0-2 hcp, any distribution.
-
2NT: 23-24NT. Can be slightly unbalanced. Can have a 5-card major.
-
3NT: 27-28NT. Can be slightly unbalanced. Can have a 5-card major.
-
2♥: 3-4 hcp, gameforcing.
-
2♠: 3-4 hcp, gameforcing.
-
2♦: Natural, non-forcing.
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2♥: Natural, non-forcing.
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2♠: Natural, non-forcing.
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2NT: 21-22NT. Can be slightly unbalanced. Can have a 5-card major.
-
3♣: Natural, non-forcing.
-
3NT: 25-26NT. Can be slightly unbalanced. Can have a 5-card major.
-
1NT: Unknown +5-card major, 5-8 hcp. Gameforce
-
2♣: Relay, ask.
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2♦: 5+♠.
-
2♥: 5+♥. BAL or sidesuit ♠.
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2♠: Singlesuiter ♥ (+6♥, no sidesuit)
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2NT: 6+♥, 4+ unknown minor.
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2♣: Balanced (5)6-8 hcp. Gameforce
-
2♦: +5♦,5-8 hcp. Gameforce.
-
2♥: +5♣ and a 4-card side suit (6-5 shape is possible). 5-8 hcp.Gameforce
-
2♠: Onesuiter ♣ with +6♣, 5-8hcp. Gameforce.
-
2NT: Any 4441-shape, 5-8 hcp. Gameforce.
-
3♣: Exactly 5♦ and 4♣, 5-8 hcp. Gameforce.
-
3♦: +5♦ and exactly 5♣, 5-8 hcp. Gameforce.
-
1♠: Typically 5♠ (on occasion 4♠), 16-18hcp
-
1NT: 15-17 hcp, balanced or semi-balanced. Can have 5♥, but usually not 5♠
-
2♣: Natural, +5♣, 16-19 hcp, usually unbalanced.
-
2♦: Artificial ask for sidesuit
-
2♦: Natural, +5♦, 16-19 hcp, usually unbalanced.
-
2♥: 5+♥, 16-18 hcp (can be balanced with 5♥)
-
2♠: Transfer to 2NT (always a 6-4 type hand with ♥)
-
2NT: Any 5440 shape with 5♥, 16-18 hcp.
-
3♣: 5+♣ and 5♥, nonforcing (16-18 hcp)
-
3♦: 5+♦ and 5♥, nonforcing (16-18 hcp)
-
3♥: 6+♥ and 5♠, nonforcing (16-18 hcp)
-
3♠: 9-trick hand with ♠
-
3NT: To play
-
4♣: 5+♣ and 5♥
-
4♦: 5+♦ and 5♥
-
4♥: 6+♥ and 5♠
-
4♠: To play
-
5♣: To play
-
5♦: To play
-
1♥: Two way: 1) 5+♠, 9+ hcp. 2) BAL 14+ hcp.
-
1♠: Asking bid, almost mandatory
-
1NT: +14 hcp, balanced.
-
2♣: ask
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2♦: +16 hcp
-
2♥: 4♠, 14-15 hcp
-
2♠: 4♥, 14-15 hcp
-
2NT: no 4MA or 5mi
-
2♣: 5+♠, +12 hcp
-
2♦: 5♠ and 4+ minor, minimum.
-
2♥: Balanced or sidesuit ♥, minimum
-
2♠: Onesuiter with ♠, minimum
-
2NT: 6+♠ and 4minor, minimum
-
3♣: 5♠ / 5♣, maximum
-
3♦: 5♠ / 5♦, maximum
-
3♥: 6♠ / 5♣, minimum
-
3♠: 6♠ / 5♦, minimum
-
3NT: 6♠ / 5♥, minimum
-
4♣: 6♠ / 6♣, minimum
-
4♦: 6♠ / 6♦, minimum
-
1NT: +5♥
-
1♠: Two way: 1) BAL 9-13 hcp. 2) 5+♥ with 13+hcp.
-
1NT: Gameforcing relay
-
2♣: 5+♥, 13+hcp
-
2♦: 11-13hcp, can have 4-card major
-
2♥: 4♠, 8-10hcp
-
2♠: 4♥, 8-10hcp
-
2NT: 8-10 hcp, no 4MA or 5mi
-
3♣: 8-10hcp, 5♣(332) hand
-
3♦: 8-10hcp, 5♦(332) hand
-
3♥: 8-10hcp, 2-2-4-5 shape
-
3♠: 8-10hcp, 2-2-5.4 shape
-
3NT: 11-13hcp, 3-3-3-4 shape
-
2♣: Stayman
-
2♦: 5+♥, +13hcp.
-
2♥: Relay, asking bid
-
2♠: onesuiter ♥
-
2NT: Balanced or sidesuit ♠
-
3♣: +4♣
-
3♦: +4♦
-
2♥: 4♠
-
2♠: 4♥
-
2NT: No 4 card major.
-
3♦: 4♥, 4♠
-
1NT: Two way:1) 5+♥, 9-12 hcp. 2) 5+♥ / 5+mi, 13+ hcp.
-
2♣: 5+♦, 9+ hcp, unbalanced
-
2♦: Relay
-
2♥: 4♠
-
2♠: 4♥
-
2NT: 5+♣ and 5+♦
-
3♣: 6♦, no sidesuit
-
3♦: 6♦ and 4♣
-
3♥: 7♦, 8-11hcp
-
3♠: Some 7♦(321) type hand, +12hcp
-
3NT: 2-2-7-2 shape, 12+hcp
-
4♣: 3-3-7-0 shape, 12+hcp
-
4♦: 3-0-7-3 shape, 12+hcp
-
4♥: 0-3-7-3 shape, 12+hcp
-
2♥: 5+♥, natural
-
2♠: 5+♠, natural
-
2NT: 15-19NT with 2-3♦
-
2♦: 5+♣, 9+ hcp, unbalanced
-
2♥: Relay
-
2♠: 4♥
-
2NT: 4♠
-
3♣: 6♣, no sidesuit\\
-
3♦: 6♣ and 4♦\\
-
3♥: 7♣, 8-11hcp\\
-
3♠: Some 7♣(321) type hand, +12hcp\\
-
3NT: 2-2-2-7 shape, 12+hcp\\
-
4♣: 3-3-0-7 shape, 12+hcp\\
-
4♦: 3-0-3-7 shape, 12+hcp\\
-
4♥: 0-3-3-7 shape, 12+hcp\\
-
2♠: 5+♠, natural
-
2NT: 5+♥
-
2♥: 5-4/4-5 minor, 9+ hcp
-
2♠: 4441 shape with single ♣ or ♠. 9-12 hcp
-
2NT: Asking relay
-
3♣: Singleton ♣
-
3♦: Singleton ♠
-
2NT: 4441 shape with single ♦ or ♥. 9-12 hcp
-
3♣: Asking relay
-
3♦: Singleton ♦
-
3♥: Singleton ♥
-
3♣: 4441 shape with single ♣ or ♠. 13+ hcp
-
3♦: Asking relay
-
3♥: Singleton ♣
-
3♠: Singleton ♠
-
3♦: 4441 shape with single ♦ or ♥. 13+ hcp
-
3♥: Asking relay
-
3♠: Singleton ♦
-
3NT: Singleton ♥
-
3♥: 7+♥, 2 of 3 top honors, no side values
-
3♠: 7+♠, 2 of 3 top honors, no side values
-
3NT: Solid unknown minor
-
4♣: 8+♣, not 2 of 3 honors
-
4♦: 8+♦, not 2 of 3 honors
-
4♥: 8+♥, not 2 of 3 honors
-
4♠: 8+♠, not 2 of 3 honors
- 1♦: 4+♦, always unbalanced, can have longer ♣. 10-15 hcp
-
1♥:
-
1NT: Shows ♣, both minors. Equal length or longer ♦
-
2♣: Shows canap� (longer ♣ than ♦)
-
2♥: 3♥ or minimum with 4♥
-
2♠: 5♠ / 6♦ and maximum
-
2NT: Two way: a) maximum 4-crd ♥ raise or b) 6+♦, 0-2♥
-
3♣: Artificial gameforce
-
3♦: Pass or correct.
-
3♣: +5♦/+5♣ and maximum
-
3♦: Exactly 3♥ and 6♦, good hand
-
3♥: Medium hand with 4♥
-
3♠: Splint with ♥ support
-
1♠:
-
1NT: Shows ♣, both minors. Equal length or longer ♦
-
2♣: Shows canap� (longer ♣ than ♦)
-
2♠: 3-card ♠ or minimum with 4♠
-
2NT: Two way: a) maximum 4-crd ♠ raise or b) 6+♦, 0-2♠
-
3♣: Artificial gameforce
-
3♦: Pass or correct
-
3♣: +5♦/+5♣ and maximum
-
3♦: 3♠ and 6+♦, good hand
-
3♥: Splint, ♠ support
-
3♠: 4♠ and medium hand
-
1NT: 6-10 hcp without 4MA (can have 4♦)
-
2NT: Invit with 6 not-so-good ♦
-
3♦: maximum hand with 6+ good ♦
-
3♥: Splint with both minors, but not gameforcing.
-
3♠: Splint with both minors, but not gameforcing.
-
2♣:
-
2NT: 4-4-4-1 or (43)-5-1 type hand
-
3♦: Maximum with 6+♦
-
3♥: Splint with ♣, not gameforcing
-
3♠: Splint with ♣, not gameforcing
-
2♥: 4-7 hcp.
-
2♠: 4-7 hcp.
-
3♣: ♦ raise, invitational or better
-
3♦: Preemptive, 5+♦, 0-6 hcp
-
3♥: Preemptive
-
3♠: Preemptive
-
4♣: Preemptive
- 1♥: 5+♥, 10-15 hcp or 4-4-1♦-4, 12-15 hcp
-
1NT: Artificial gameforce. Usually +14 hcp with ♥-fit or +15 hcp without ♥-fit.
-
2♣: Any maximum hand
-
2♦: 5♥ and sidesuit minor, minimum
-
2♥: Minimum, sidesuit ♠ or balanced
-
2♠: Onesuiter ♥, minimum
-
2NT: +6♥ and 4 card minor, minimum
-
3♣: 5♥ - 5♣, maximum hand
-
3♦: 5♥ - 5♦, maximum hand
-
3♥: 6♥ - 5♣, minimum hand
-
3♠: 6♠ - 5♦, minimum hand
-
3NT: 5♠ - 6♥
-
4♣: 6♥ - 6♣
-
4♦: 6♥ - 6♦
-
2♣: Transfer. Signoff in ♦ or various invitational hands with 0-2♥ and 10-13hcp
-
2♦: Usually (0)1-2 ♦. Not super ♦ fit, no other descriptive bid.
-
2NT: Maximum hand with ♦ fit.
-
3♦: Minimum hand with ♦ fit.
-
2♦: Exactly 3♥, invitational values (10-13hcp)
-
2♠: 4+♥, single ♠ and invitational values
-
2NT: 4+♥, 6-9 hcp and a singleton
-
3♣: 4+♥, 5-9 hcp (Bergen raise, usually no shortness)
-
3♦: 4+♥, 10-13 hcp (Bergen raise, usually no shortness)
-
3♥: 4+♥, 0-4 hcp.
-
3♠: 4+♥, unknown splint (9-12hcp).
-
3NT: 4+♥, void in ♠ (9-12hcp).
-
4♣: 4+♥, void in ♣ (9-12hcp).
-
4♦: 4+♥, void in ♦ (9-12hcp).
- 1♠: 5+♠, 10-15 hcp.
-
1NT: Artificial gameforce. Usually +14 hcp with ♠-fit or +15 hcp without ♠-fit.
-
2♣: Any maximum hand
-
2♦: 5♠ and sidesuit minor, minimum
-
2♥: Minimum, sidesuit ♥ or balanced
-
2♠: Onesuiter ♠, minimum
-
2NT: +6♠ and 4 card minor, minimum
-
3♣: 5♠ - 5♣, maximum hand
-
3♦: 5♠ - 5♦, maximum hand
-
3♥: 6♠ - 5♣, minimum hand
-
3♠: 6♠ - 5♦, minimum hand
-
3NT: 6♠ - 5♥
-
4♣: 6♠ - 6♣
-
4♦: 6♠ - 6♦
-
2♣: Transfer. Signoff in ♦ or various invitational hands with 0-2♠ and 10-13hcp
-
2♦: Usually (0)1-2 ♦. Not super ♦ fit, no other descriptive bid.
-
2NT: Maximum hand with ♦ fit (+3♦)
-
3♦: Minimum hand with ♦ fit (+3♦)
-
2♦: Transfer. Signoff in ♥ or various invitational hands with 5+♥ and 10-13hcp
-
2♥: Usually (0)1-2 ♥. Not super ♥ fit, no other descriptive bid.
-
2♠: Natural, 6+♠, doesn't want to play 2♥
-
2NT: Maximum hand with ♥ fit (+3♥)
-
3♥: Minimum hand with ♥ fit (+3♥)
-
2♥: Exactly 3♠, invitational values (10-13hcp)
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2NT: 4+♠, 6-9 hcp and a singleton
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3♣: 4+♠, 5-9 hcp (Bergen raise, usually no shortness)
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3♦: 4+♠, 10-13 hcp (Bergen raise, usually no shortness)
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3♥: 4+♠, unknown splint (9-12hcp)
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3♠: 4+♠, 0-4 hcp
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3NT: 4+♠, void in ♥ (9-12hcp)
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4♣: 4+♠, void in ♣ (9-12hcp)
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4♦: 4+♠, void in ♦ (9-12hcp)
- 1NT: (11)12-14 hcp, can be slightly off-shape.
-
2♣: Nonforcing Stayman (can be weak with both majors or invit without majors)
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2♦: No 4 card major
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2♥: To play in openers best major
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3♥: Smolen, 5♠ and 4♥, gameforcing values.
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3♠: Smolen, 4♠ and 5♥, gameforcing values.
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2♥: 4♥
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2NT: Maybe no 4 card ♠.
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3♠: Short ♠, slamtry in ♥.
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4♣: Short ♣, slamtry in ♥.
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4♦: Short ♦, slamtry in ♥.
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2♠: 4♠
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2NT: Maybe no 4 card ♥.
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4♣: Short ♣, slamtry ♠.
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4♦: Short ♦, slamtry ♠.
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4♥: Short ♥, slamtry ♠.
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2♦: Transfer to ♥
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2♥: Transfer to ♠
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2♠: Transfer to ♣
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2NT: Good hand with ♣ fit.
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3♣: Not a good hand with ♣ fit.
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2NT: Transfer to ♦
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3♣: Good hand with ♦ fit.
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3♦: Not a good hand with ♦ fit.
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3♣: Both minors, weak
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3♦: Both majors (55 or better). Preemptive (to play 3MA) or gameforcing (to play 4MA).
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3♥: Preemptive
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3♠: Preemptive
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4♣: S-A Texas (♥)
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4♦: Good hand for ♥
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4♥: Not a good hand for ♥
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4♦: S-A Texas (♠)
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4♥: Good hand for ♠
-
4♠: Not a good hand for ♠
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4♥: To play
-
4♠: To play
- 2♣: 6+♣ or 5+♣/4+MA, 10-15 hcp
-
2♦: +5♥, at least mildly invitational facing fit (i.e. about 8+p)
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2♥: Neutral, usually 2-3♥ and minimum
-
2♠: Natural invite with 5♥ / 4♠
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2NT: Natural, strongly invitational
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3♣: Natural, invitational
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3♥: +6♥ gameforce
-
3NT:
-
4♣: GF, slammy
-
2♠: Natural, 4♠, maximum
-
2NT: no ♥ fit, but maximum
-
3♣: No ♥ fit, minimum, usually +6♣
-
3♦: Artificial, 3+♥, maximum, strongest possible ♥ raise
-
3♥: 4♥, minimum
-
3♠: 5♠
-
3NT: To play, usually minimum with good/long ♣
-
4♥: To play. Usually extreme ♥/♣ lengths and non max.
-
2♥: +5♠, at least mildly invitational facing fit (i.e. about 8+p)
-
2♠: Neutral, usually 2-3 card ♠ and minimum
-
2NT: No ♠ fit, but maximum hand
-
3♣: no ♠ fit and minimum. Usually +6♣
-
3♦: Artificial, 3+♠, maximum, strongest possible ♠ raise
-
3♥: Natural with 5♥ / 6♣
-
3♠: 4♠, minimum
-
3NT: Suggestion to play. Usually minimum with good/long ♣
-
2♠: Any invitational hand, with or without 4-card MA.
-
2NT: Natural minimum
-
3♣: Natural minimum, +6♣
-
3♦: 4♥, maximum hand, gameforce
-
3♥: 4♠, maximum hand, gameforce
-
3♠: Maximum hand without 4MA. Wants to play 3NT from the other side.
-
3NT: To play. Maximum hand without 4MA
-
2NT: Artificial gameforce
-
3♣: Minimum without 4MA
-
3♦: 4♥
-
3♥: 4♠
-
3♠: no 4MA, maximum
-
3NT: +7♣
-
3♣: +3♣, 6-9p
-
3♦: +6♦, gameforce
-
3♥: +6♥, good suit. Invitational
-
3♠: +6♠, good suit. Invitational
-
3NT: To play
-
4♣: Preemtive, raiseable
-
4♦: Both majors, extreme lengths
-
4♥: To play
-
4♠: To play
- 2♦: Ekren, majors (45/54 or better), 4-9 hcp
-
2♥: Preference
-
2♠: Preference
-
2NT: Artificial ask
-
3♣: Minimum with 5♠/5♥ or maximum with unequal length.
-
3♦: Asking bid
-
3♥: Minimum, equal length
-
3♦: Minimum with longer ♥
-
3♥: Minimum with longer ♠
-
3♠: 6♠/5♥ or 5♠/6♥
-
3NT: Maximum hand, with 5♠/5♥
-
3♣: Natural, forcing for one round
-
3♦: Natural, forcing for one round
-
3♥: competitive/preemptive.
-
3♠: competitive/preemptive.
-
4♣: Slamtry with ♥
-
4♦: Slamtry with ♠
- 2♥: Weak 6-card, 6-9 hcp
- 2♠: Weak 6-card major, 6-9 hcp
- 2NT: Both minors, 4-9 hcp. Typically 5+♣/5+♦, but it can be 45/54 shape in 1st or 3rd position non-vul.
-
3♣: To play
-
3♦: At least one 4-card major, but no 5-card major.
-
3♥: 4♠
-
3♠: 4♥
-
4♣: Both majors, slamtry
-
4♦: Slammy ♥
-
4NT: 1430 keycard for ♠
-
4♦: Signoff in openers 4MA
-
3♥: 5♥
-
3♠: 5♠
-
3NT: Neither 4-card or 5-card major.
-
3♦: To play
-
3♥: 3 card fit or better
-
3NT: No ♥ fit
-
3♥: Transfer to ♠
-
3♠: Transfer
-
3NT: Strong with ♥ (but not forcing)
-
4♣: Slamtry ♣
-
4♦: Slamtry ♦
-
4♥: Slam-try in ♥
-
4♠: Slam-try in ♠
-
3♠: Forcing with ♠
-
3NT: 3♠ is transfer
-
4♣: Short ♣, slamtry
-
4♦: Short ♦, slamtry
-
4♥: Short ♥, slamtry
-
4♠: Short ♠, slamtry
-
3NT: To play
-
4♣: Preemptive
-
4♦: Preemptive
-
4♥: To play
-
4♠: To play
-
4NT: Bid your best minor
- 3♣: Natural preempt
-
4♦: Keycard ask ("reduced RKCB")
- 3♦: Natural preempt
-
4♣: Keycard ask ("reduced RKCB")
- 3♥: Natural preempt
-
4♣: Keycard ask ("reduced RKCB")
- 3♠: Natural preempt
-
4♣: Keycard ask ("reduced RKCB")
- 3NT: Good 4-minor preempt. Not necessarily a solid suit, but a good suit/hand.
-
4♣: Sign off in openers suit
-
4♦: Pass or correct
-
4NT: "bid your suit"
-
5♣: Sign off in openers suit
-
5NT: "Quantitative"
- 4♣: Bad ♣ preempt. 3NT would show a good 4-minor preempt.
- 4♦: Bad ♦ preempt. 3NT would show a good minor preempt.
List conventions
List systems