1C 12-18p C 1- or 19+
1D 4+ H
1H 12-15 3+ H
1S 12-18 5+ S
在答叫者已表明牌組的情況下, 叫第二門是54的迫叫
而若答叫者再叫2C! 即為獨門的強跳叫!!
1N relay asking another suit
2C 4+ S
2D 4+ D
2H 5+ H min
2S no 4D/S/6H FG
2N NAT inv
3H 6+ H inv
2C H fit strong/forcing
2D 12-18 5+ D
2H 16-18 4+ H
2N 19-21 BAL 3- H
3C 19-21 5+ C
1H 4+ S
1S 12-15 3+ S
1N relay asking another suit
2C 4+ H
2D 4+ D
2H no 4D/H/6S FG
2S 5+ S min
2N NAT inv
3S 6+ S inv
2C S fit strong/forcing
2D 12-18 5+ D
2H 12-18 5+ H
2S 16-18 4+ S
2N 19-21 BAL 3- S
3C 19-21 5+ C
1S 4+ D
1N 12-18 5+ H
2C 12-18 5+ S
2D 12-15 3+ D
2H
2S strong/forcing, maybe D fit
2N 19-21 BAL 3- D
3C 19-21 5+ C
3D 16-18 4+ D
1N BAL min(6-9)
2C stayman
2DH transfer to 2HS
之後再叫保證16+以上牌值, 除2N/3M外並迫叫成局
2S 19+ 6+ C
2N BAL inv(16-18)
3C 12-18 6+ D
3D 19+ 55+ minors
3HS 16-18 6+ M
3N 19-21 BAL
4C Gerber
4D 16-18 55+ Ms
2C transfer to 2D (like弱跳叫,0-7)
2D transfer to 2H
2H transfer to 2S
開叫者若不接受轉換─3C! 有良好配合的強牌迫叫，答叫者有AK或短門都要報
others 6張好牌組,NAT
2NT 通常有些許配合, 問牌組品質及高低限(Ogust)
2S BAL FG(12+)
2N BAL inv(10-11)
3C 獨門梅花, 其他牌組在2張以下
若被自然插叫 答叫者叫2C表示另外兩門 所有賭倍都是合作