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Silvio Sbarigia’s quiz 24th: The Key Card

Posted on 26 August 2012

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Silvio Sbarigia is a pharmacist; he was born in Rome and lives there. He has won the European championship in 1975, runner up at 1974’s and at Olympic games of 1976. His bridge problems aren’t difficult; just we need to think on a plan and to avoid the instinctive playing. This quiz is titled  ”The Key Card”. Key Card is called the card that, seemingly featureless, is in contrast the cornerstone of an entire playing plan. Such card is almost never an active one – it rarely has chances to win a trick – and is worth only for the place it lays, not necessarily in our side.

Contract: 4♠. West leads A, cashes the king too and follows the suit.



There are four tricks in club, one in diamond, none in heart; so the contract takes us to make five tricks in trump, thus it needs a successful finesse in spades.

Thinking upon the playing plan (all our readers always make the playing plan forthwith after the lead, still before to touch the card from Dummy), it becomes clear that the problem to solve is: how could we catch the East’s spade king if the trumps broke 4-1? There is only one entry to Dummy indeed, the ♣K, whereas we need to move from dummy all the three rounds of spades; the queen can hold the lead, but the seven cannot do it. It has to be noted, nevertheless, that the ♠7 is part of a row that begins by the Ace and is broken only by the king – the head to be hunted – and the eight. If the eight were in East’s hands, along the king, nothing would be done; but if it were in West instead, falling in the first round of the suit, all we need is to hold on the six, promoting ♠7 to a master card.

Ruff the third round of hearts by nine (not by six); play club to Dummy’s king and start the first round of spade by queen, discarding the ten (not the six). The eight – that’s the Key Card to watch – the eight falls from West, and the ♠7 is now able to retain the lead of the second round, allowing another round of finesse.

The complete hand:


August 26, 2012

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2 Responses to “Silvio Sbarigia’s quiz 24th: The Key Card”

  1. neapolitanclub says:

    An Italian reader has noted that the suggested playing plan loses against the trump break 8542 – K, with the king onside. The probabilities to find it are the same of 8 – K542, of course, but it should have been specified that the auction at table (West’s 2H over South’s 1S opening) made less likely to find the singleton in East. We apologize for the omission.

  2. neapolitanclub says:

    Another Italian reader, Patrizia (Wrebby in BBO), has noted that South shouldn’t have ruffed the third round of hearts but had better to discard the diamond loser. Right. Nothing changes because West surely would have followed heart, but who knows if, concerned for sluff and ruff, he would have changed suit instead, allowing the Declarer to save his high trump and to win even against the rare case of 8542 in West and stiff king in East?

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Silvio Sbarigia


Silvio Sbarigia

SILVIO SBARIGIA is a pharmacist; he was born in Rome and lives there. He has won the European championship in 1975 with legendary Blue Team, runner up at 1974’s and at Olympic games of 1976.  Sbarigia is member of Neapolitan Club Technical Commettee. His bridge problems aren’t difficult; just we need to think on a plan and to avoid the instinctive playing. Bridge quizzes by Sbarigia »

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