81 9 15881 43160 47 | 24 10 40743 29-00997 43 |
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We win the second round and return a club | 29 12 29-00077 15757 37 |
Because if West has the heart ace or the club ace, it would be impossible for declarer to cash nine immediate tricks, while without the diamond ace he is still able to make a lot of tricks with his five-card heart suit.
How did he uncover the heart distribution? 86 12 40604 40605 33 | Let's imagine a different layout, in which I have switched the hearts and clubs |
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North can't see why he should duck |
Maybe by playing a Smith Echo or using 6 as heart suit preference? 57 5 41279 42757 52.
5