Study 9J81 Main

Double Squeeze

by Richard Pavlicek

A double squeeze is a squeeze against both opponents with threats in three suits: one guarded only by LHO, one guarded only by RHO, and a “common” suit guarded by both opponents. The common threat must be accompanied by an entry in its own suit. Other entry conditions may also be required depending on the layout. For a detailed study see Double Squeezes.

1.  Positional double squeeze

NT win all	K		Trick	Lead	2nd	3rd	4th
	—		1. S	A!	10	K
	A 9
	—
A		—
—		A
J 10		K Q
—		—
	—
	K
	4
South leads	A

2.  Positional double squeeze (cash order)

NT win all	A J		Trick	Lead	2nd	3rd	4th
bi	4		1. S	4!	Q	A	2
	A 9		2. N	4!	Q	A	2
	—		3. S	A!
K Q		2
2		K Q
J 10		K Q
—		—
	4
	A J
	4
South leads	A

Must win A before A ( A serves as reentry).

3.  Automatic double squeeze

NT win all	—		Trick	Lead	2nd	3rd	4th
auto bi	—		1. S	A!	10	2
	A K 6
	2
A		—
—		A
Q J 10		9 8 7
—		—
	K
	K
	4
South leads	A

4.  Finesse double squeeze

NT win all	—		Trick	Lead	2nd	3rd	4th
bi	—		1. S	A!	10	2	7
	A Q 6		2. S	4	J	Q
	2
A		—
—		A
K J 10		9 8 7
—		—
	K
	K
	4
South leads	A

5.  Twin-entry double squeeze

NT win all	K		Trick	Lead	2nd	3rd	4th
auto	K		1. S	A!	7	K!	10
	K 4
	—
A		—
—		A
9 8 7		Q J 10
—		—
	—
	—
	A 6 5
South leads	A

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6.  Twin-entry double squeeze (cash order)

NT win all	J 4		Trick	Lead	2nd	3rd	4th
auto bi	A J		1. S	4!	2	A	2
	K 4		2. N	4	Q	A	Q
	—		3. S	A!	7	J!	10
K Q 2		—
—		K Q 2
9 8 7		Q J 10
—		—
	A
	4
	A 6 5
South leads	A

Must win A before A ( A serves as reentry).

7.  Sequential double squeeze

NT win all	A J		Trick	Lead	2nd	3rd	4th
	K		1. S	A!	10	J!	2
	4		2. S	4!	Q	A
	—
K Q		2
—		A
J 10		K Q
—		—
	4
	—
	A 9
South leads	A

8.  Sequential double squeeze (cash order)

NT win all	A J		Trick	Lead	2nd	3rd	4th
auto? bi	A J		1. S	4!	2	A	Q
	4		2. N	4	2	A	3
	4		3. S	K!	Q	J	3
K Q		3 2	4. S	4!	Q	A
3 2		K Q
K Q		J 10
—		—
	4
	4
	A 9
South leads	A K

Auto case requires 4 lead first then clubs.

9.  Automatic sequential double squeeze

NT win all	K		Trick	Lead	2nd	3rd	4th
auto re	A J		1. S	A!	2	2	7
	4		2. S	4!	10	A	Q
	2
A 2		—
—		K Q
Q J 10		9 8 7
—		—
	—
	4
	A K 6
South leads	A

10.  Twin-entry sequential double squeeze

NT win all	A J		Trick	Lead	2nd	3rd	4th
re	—		1. S	A!	10	2	3
	K 4		2. S	5	J	K	7
	2		3. N	A!
K Q		—
—		A
Q J 10		9 8 7
—		3
	—
	K
	A 6 5
South leads	A

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11.  Reciprocal squeeze

NT win all	J 4		Trick	Lead	2nd	3rd	4th
bi	—		1. S	A	Q	4	Q
	A 9		2. S	A!
	—
K Q		—
—		K Q
J 10		K Q
—		—
	A
	A J
	4
South leads	—

Preferred sequence shown but A can be won first.

12.  Automatic reciprocal squeeze

NT win all	2		Trick	Lead	2nd	3rd	4th
auto bi	2		1. S	A!	Q	2	7
	A K 6		2. S	A!
	—
K Q		—
—		K Q
Q J 10		9 8 7
—		—
	A J
	A J
	4
South leads	—

No matter which ace is led first.

13.  Twin-entry reciprocal squeeze

NT win all	A J		Trick	Lead	2nd	3rd	4th
bi	—		1. S	4	Q	A	7
	A 6 5		2. N	5	8	K	10
	—		3. S	A!
K Q		—
—		K Q
Q J 10		9 8 7
—		—
	4
	A J
	K 4
South leads	—

Preferred sequence shown but A can be led first.

14.  Recessed reciprocal squeeze

NT win all	A J		Trick	Lead	2nd	3rd	4th
bi	4		1. S	4!	Q	A	Q
	A 9		2. N	4!	10	A	2
	—		3. S	K!
K Q		—
2		Q J 10
J 10		K Q
—		—
	4
	A K 9
	4
South leads	—

15.  Alternative squeeze

NT win all	K		Trick	Lead	2nd	3rd	4th
	—		1. S	A!	8	K	2
	A K Q 6
	—
A		2
—		A
J 10 9 8		7 3 2
—		—
	—
	K 2
	5 4
South leads	A

If A West and A East, 6 must be good.

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16.  Automatic alternative squeeze

NT win all	K		Trick	Lead	2nd	3rd	4th
auto re	K		1. S	A!	2	2
	A 4
	2
A		—
2		A
7 3 2		J 10 9 8
—		—
	—
	—
	K Q 6 5
South leads	A

If A and A are split, 6 must be good.

17.  Blocked double squeeze

NT win all	K		Trick	Lead	2nd	3rd	4th
auto	K		1. S	A!	J	K
	K
	—
Q J		10 9
A		—
—		A
—		—
	A 8
	—
	—
South leads	A

How a sane person could reach is another story.

18.  Jettison double squeeze

NT win all	A		Trick	Lead	2nd	3rd	4th
	K		1. S	A!	2	2	6
	A J 2		2. S	K!	9	A!
	—
J 10 9		8 7 6
A 2		—
—		K Q
—		—
	K Q 5
	—
	—
South leads	A K

Remember this on your next trip to Mars.

Anti double squeeze

19.  Common entry removal anti double squeeze

NT win 1/5	2		Trick	Lead	2nd	3rd	4th
auto bi	K Q		1. S	K!	A
	J 10
	—
A J		4
4		A J
A 9		4
—		A
	K Q 10
	—
	K Q
South leads	—

20.  Twin entry attack anti double squeeze

NT win 1/6	3 2		Trick	Lead	2nd	3rd	4th
auto bi	A		1. S	Q!
	9 8 7
	—
J 4		A
K		—
A 4 2		K 6 5
—		A K
	K Q 10
	—
	Q J 10
South leads	—

No matter which hand wins Q, no squeeze.

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21.  Dual entry attack anti double squeeze

NT win 1/6	2		Trick	Lead	2nd	3rd	4th
bi	K Q		1. S	Q!	4	7	K
	9 8 7		2. E	A	10	4	2
	—		3. E	A	Q
J 4		A
A J		4
5 4		A K 6
—		A
	K Q 10
	—
	Q J 10
South leads	—

Causes West to be squeezed before South.

22.  Lone-stopper retention anti double squeeze

NT win 1/5	A		Trick	Lead	2nd	3rd	4th
auto bi	K		1. W	A	10!	2	2
	Q J 10		2. W	K	J!	K	A!
	—
—		K
—		Q
A 6 5		K 4
A K		2
	—
	A 2
	9 8 7
West leads	—

23.  RHO-stopper retention anti double squeeze

NT win 1/5	A		Trick	Lead	2nd	3rd	4th
auto bi	J 10		1. W	A	Q!	2	2
	K Q		2. W	K	K!
	—
—		K
A 9		4
4		A 9
A K		2
	—
	K Q 2
	J 10
West leads	—

24.  Forced early discard anti double squeeze I

NT win 1/6	K Q		Trick	Lead	2nd	3rd	4th
auto bi	2		1. S	K!	A	2	4
	9 8 7		2. W	A	7
	—
4		A J
A J		—
5 4		A K 6
A		4
	2
	K Q
	Q J 10
South leads	—

Auto case any lead suffices (no squeeze).

25.  Forced early discard anti double squeeze II

NT win 1/6	2		Trick	Lead	2nd	3rd	4th
auto	K Q		1. S	4!	A	2
	9 8 7
	—
J 4		A
A		J 4
K 4		A 6 5
A		—
	K Q
	—
	Q J 10
South leads	4

Auto case any lead suffices (no squeeze).

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© 2014 Richard Pavlicek