2N 3C stayman
3D a 5M
3H 3+S maybe with 3+H, FG+
3S 3+H w/o 3+S, FG+
3N S/O
4C 4+C maybe with 4D
4D 4+D w/o 4C
3H 4H maybe with 4S
3S 4S ST
3N 4S CoG
4C 4+C maybe with 4D
4D 4+D w/o 4C
3S 4S w/o 4H
3N S/O
4C 4+C maybe with 4D
4D 4+D w/o 4C
3N no 4M
4C minor check
4DH transfer to 4HS
3DH transfer to H/S
3M
3S 55高花 ST (再叫3N/4M=min, 4C/D=set H/S)
3N CoG
4m NAT, ST (再叫4M=M fit, 4N=misfit或最低限, else m fit)
4H 55高花 CoG
4M 6+M, mild ST
4SN QUANT
3N Max, 3張支持帶兩大牌
3S+ Max, 4張支持, cue-bid
3S minor ST
3N min
4m set m, puppet to kickback
4M the same as 2N-4M ST
4N 6 key cards rkcb
5m S/O
6m S/O
4C Max, D>=C
4D C rkcb (strong C)
4H D rkcb (D fit)
4S ask C fit (4N=no fit, 5C=fit, 5D+=C fit cue-bid)
4N 5C + 3-4D ST (5m=set m, then cue-bid)
5m S/O, mild inv
6m S/O
4D Max, C>D
4H D rkcb (strong D)
4S ask D fit (4N=no fit, 5C+=D fit cue-bid)
4N C rkcb (C fit)
5m S/O, mild inv
6m S/O
3N S/O
4CD transfer to 4HS
4H 5C+4D CoG (or 55 minors C>D)
4S 5D+4C CoG (or 55 minors D>C)
4N QUANT