Logical Deduction

Pages: Page 4 of 4

Dealer: North
Vuln: Love All
Scoring: Pairs
  1. spade10 9 7 3 2
  2. heartJ 7 6
  3. diamondA 5 2
  4. club9 8
  1. spade—
  2. heartA K 4 2
  3. diamondK 8 6 4
  4. clubA 10 7 4 3
club diamond heart spade NT
N - - - - -
S - - - - -
E 6 4 4 3 5
W 6 4 4 3 5
Green square in centre
  1. spadeA K 8 6 5
  2. heartQ 3
  3. diamondJ 9
  4. clubK J 6 2

Contract: 6club
Declarer: West
Lead: diamondA
  1. spadeQ J 4
  2. heart10 9 8 5
  3. diamondQ 10 7 3
  4. clubQ 5
Double dummy analyser: makeable contracts
West North East South
Pass 1spade Pass
2club Pass 3club Pass
4club Pass 4spade Pass
6club End
Only ten out of eighteen Wests who played in 6club actually made it. The lucky ones had a trump lead. Some had a neutral heart lead. They ditched a diamond on the third heart winner and cashed clubAK - no problem. The unlucky ones, like West after this sequence, had the seemingly easy ride when North led ace and another diamond.

Now why has North led from an unsupported ace? Ah yes, he must have clubQxx and therefore I must cash clubA and finesse the jack. Whoops.
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