Tuesday, June 15, 2010

Blind Spots

Playing on BBO with a pick up partner in a team game, this interesting hand came up. I held 52 K865 AKQT8 Q7 and opened 1D in first seat. Partner bid 2C over this, and I decided not to get him too excited by bidding 2H and having him interpret this as a reverse, so contented myself with 2D to start. Partner bid 2N over this, and I bid 3N to end the auction. The opening lead was the Q of Hearts, not what I really wanted to see, and these are the 2 hands.

52
K865
AKQT8
Q7

AQ3
32
J65
AJ963

Not that nice spot cards in the Heart suit, but partner decided to duck the Heart lead, and the 10 appeared on his right. RHO now played a small Heart to LHO's A, and the 7 of Spades came back. And here is where partner had his blind spot.

You currently have 8 top tricks, and only have to develop 1 more to make this, at IMPS. So you need to take the safest line. Partner looked that the chance of 1 of 2 hooks working was 75%, and that gave him chances for overtricks (sigh), so put in the Q of Spades here, butchering a nice hand and play. This lost to the K, and the J of Spades came back. The hand played out for a while, and eventually partner played the Q of Clubs off board, making when the K was onside. And not even realizing the problem with the hand.

When the Spade came back, you now have a 100% line of play. Win the A of Spades, play a Diamond to board, and run the Q of Clubs. Even if it loses, they can not attack the Q of Spades, and you have an easy 9 or 10 tricks, with no down side.

It is plays like this that need to be punished with both black K's offside, to teach people about real percentages in bridge. I would rate that if played in a club game, over 90% of the people playing this hand would put in the Q of Spades, and complain about luck if both K's were offside. Then they would ask the lone +400 how they made it when everything was offside, or assume a different lead.

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