競叫原則:
1D! (X) XX power
1M often 5+M
others system on
1D! (1M) X NEG
1S NAT, 6+ HCP (often)
1N transfer to 2C, a minor suit
(transfer then P/2D=weak C/D, 2H/S=C/D inv+, 2N=minors 55+)
2C! P/C
2D/H! Ruben Advance, 8+ HCP
2S! 11+ HCP敵叫組沒擋、沒東西叫又沒把握罰放的牌
2N 10-12 HCP, BAL w/ stopper
3C! PRE, P/C
4m! Leaping Michael
1D! (1N) X power
2C P/C
2x NF
2N! minors 55+
3C! PRE, P/C
1D! (2x) X Corp
2y NAT, NF
2N!~3H! Ruben Advance, 11+ HCP
4m! Leaping Michael
1D! (3x) X opt
others NAT
1D! (4M) 4N want to find minor fit