KNOCKOUT
SQUEEZE

This is a squeeze in three suits, one suit being the trump suit. The strategy behind the Knockout Squeeze is that the declarer ruffs the fourth suit in the long trump suit hand, thereby forcing the threatened defender to choose between establishing the side suit of the declarer or allowing the declarer to score an extra trump trick. The following illustration should clarify this concept.

QJ8
8543
653
A84
62
972
Q9
Q109753
754
KJ106
AKJ10
J2
AK1093
AQ
8742
K6

South is the declarer. The auction is below: The contract is 4 Spades.

West

North

East

South

 

Pass

Pass

1

1

 

3

3

Pass

4

All Pass

The lead is the 2 of Spades, trump. The 8 of Spades in the dummy wins the trick. On the second trick, a small Heart is lead for the finesse. South then cashes the King of Clubs, plays to the Ace of Clubs in the dummy, and ruffs the remaining Club with the King of Spades.

With the play of the third Club, East is squeezed in three suits, even the trump suit. If East decides to play a Spade, the trump suit, this play allows the South to win a trick with an eventual Diamond ruff in the dummy. A Heart discard allows South to establish a winning Heart in the dummy. A Diamond discard allows South to win a trick with his fourth Diamond.

If you wish to include this feature, or any other feature, of the game of bridge in your partnership agreement, then please make certain that the concept is understood by both partners. Be aware whether or not the feature is alertable or not and whether an announcement should or must be made. Check with the governing body and/or the bridge district and/or the bridge unit prior to the game to establish the guidelines applied. Please include the particular feature on your convention card in order that your opponents are also aware of this feature during the bidding process, since this information must be made known to them according to the Laws of Duplicate Contract Bridge. We do not always include the procedure regarding Alerts and/or Announcements, since these regulations are changed and revised during time by the governing body. It is our intention only to present the information as concisely and as accurately as possible.

Claus and Raymond

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