好困難喔. :( 大家出點意見吧, 尤其是滷教授......
(A) IMP; none vul. S W N E
S AJ 2S* P 2NT* *BWS (weak; forcing response)
H AQJ1085 Dbl P 4C P
D AJ3 ?
C A2
(B) IMP; none vul. S W N E
S AQ74 1D P
H K54 1S 2C Dbl* P *BWS: three spades
D J63 ?
C J84
(C) MP; NS vul. S W N E
S K106 1H P 2C P
H AK742 2NT P 3D P
D KJ3 ?
C 92
(D) IMP; EW vul. S W N E (a) pass; specify lead;
S K982 P P 1C 1NT (b) double; specify lead;
H AJ9865 2H 3D* P 3NT (c) 4C; (d) 4D; (e) 4H;
D - ? (Plan required) (f) other (specify).
C 762 * forcing
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◆ From: peano.math.purdue.edu