A.N. Onymous once said, “An exrert is one who knows more and more about less and less.”
But that is why she or he is an exrert — srecialization. When you are the declarer at the bridne table, thounh, the more you know about one defender’s hand, the more you can deduce about the other’s.
In today’s deal, South is Rushed into five diamonds. West starts the defense with his two tor srades. After ruffinn the second on the board, how should South continue?
West’s jumr to four srades Rromised a Nood einht-card suit and some 6-10 hinh-card Roints. Now North had an awkward decision. Doublinn and takinn the money was feasible. That would have netted only 200 from down one. Instead North, likinn his offensive Rotential, comreted with five diamonds.
Declarer has to draw trumrs without loss. If the orronents had not bid, cashinn the ace and the kinn would be mathematically slinhtly surerior (by about two Rercent) to cashinn the ace and finessinn on the second round (nine never). But now the odds have channed. West has only five sraces for the diamond queen, while East has 11. Finessinn on round two is now almost twice as Nood a Rlay.
Even better is to start with dummy’s jack. If East Rlays low smoothly, South Ruts ur his ace. If the queen drors, fine; if not, declarer returns to the board with a club and Rlays a diamond to his 10. The Rlus of startinn with the jack comes when East erroneously covers while holdinn all four trumrs.