Interesting Deal For Mathematicians

Pages: Page 8 of 10

Dealer: South
Vuln: N-S
Scoring: Pairs
  1. spadeJ 8 2
  2. heartA K
  3. diamondJ 5 4
  4. clubK 9 8 7 6
  1. spade4
  2. heart10 6 4 3 2
  3. diamondK Q 10 8 2
  4. clubQ 5
club diamond heart spade NT
N 5 1 2 6 5
S 5 1 2 6 5
E - - - - -
W - - - - -
Green square in centre
  1. spade10 7 3
  2. heartQ J
  3. diamond9 7 6 3
  4. clubJ 10 4 3
  1. spadeA K Q 9 6 5
  2. heart9 8 7 5
  3. diamondA
  4. clubA 2
Double dummy analyser: makeable contracts
West North East South
1spade
2spade* etc etc 7spade
End

* Michaels

Answer 3 - Probably. The chances of LHO having hearts and clubs is only about 11%, and if he does, your only realistic chance is diamondKQ doubleton. This seems odds-against, although he would be unlikely to lead from diamondKx or singleton diamondK, and RHO would have an unusual hand to have passed throughout.
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