Victory for the shake of victory in playing at Bridge is not represent to confront in luck (hoki), but good player have to use highest opportunity in fulfilling a contract ( declarer), biggest opportunity in aborting a contract ( defender), and also best opportunity in determining a final contract at the (time) of doing dicker with partner (bidding).
At this article we will get wise to Percentage Play in overcoming the problem of play declarer. Let us see example of hereunder:
North
♥J109
South
♥865
From card combination above, you target three tricks, how to you'd play this deal when there are enough entry in both hand? So, here Percentage Play applied, and let us studies possibility of division of card at both opponent hands.
Distribution 5-0 :
Distribution 4-1 :
Distribution 3-2:
Seen possibility of division card above, how way of is best you to use to get three tricks.
1. Taking example first trick, you play ♥A, so opportunity to get three tricks if opponent hold honor singleton Heart. Of possibility of division of card above, hence you made a success of 4 from 32 possibility that is possibility 6, 7, 11, and 12 or equivalent by 12.5%
2. Let us try to do by is other; taking example you play northerly ♥J. If East follows with small Heart you also play small heart, (but when East follow honor Heart, you play Ah). So, next trick cash Ah, in this way you'd be successful possibility 6, 7, 16, 17, 18, 19, 20, 21,22, 23, 24, 25, thereby you succeed 12 from 32 possibility or equivalent by 37,5%.
3. At example following, taking example first trick you play small heart of South up at Jack heart in North. Hereinafter at second trick, playing northerly ♥10 to force East drop honor card of him. In this way, you'd succeed 7 from 32 possibilities that is possibility 2, 11, 12, 22, 23, 24, and 25, or equivalent by 22% (note; if West do not follow honor Heart at first trick).
By paying attention some example of like above, so opportunity to get 3 tricks of this cards distribution combination, biggest possibility by applying double finesse that is by playing J♥ at first trick. While percentage of failure in this technique is possibility 1, 3, 4, 5, 13, 14, 15, and 32 or 8 from 32 possibilities or equivalent by 25%, Thereby the way of playing this have highest possibility that is 75%. And when you have applied game in this way, meaning you have practiced technique percentage of play.
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Related article: Determining Highest Possibility from Division Card
Translated from Magazine Bridge Indonesia, Percentage Play, by Syahrial Ali, 8/06
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