[net.rec.bridge] TYP J14 - Solution

halle1@houxz.UUCP (J.HALLE) (01/09/85)

Here's a Christmas/Hanukkah present for you.  Try to make this hand.
It actually occurred recently.  And Happy Holidays Everyone.

S Q
H AJ754					BIDDING
D AK85
C T64				North		South

S AK983				1 H		4 NT
H KQ86				5 H		7 NT (match points)
D 9
C AK8				Opening Lead: Diamond Queen

What is your best line of play?
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You have 12 easy tricks, so a squeeze is probably your best bet for the
13th.  West has diamonds stopped.  If he also has spades, you cannot
untangle your entries for a simple squeeze.  If east has the spades, a
double squeeze would work, regardless of where the clubs are.  If west
has the club honors, he will be squeezed in the minors.  (If he has
spades also, he will really be hurting.)  With all these possibilities,
what is best?

Start by leading the club ten.  East is practically guaranteed to cover
if he has an honor.  If he does not cover, go up.  Your chances are still
intact.  You lose only if west has the spades and east was good enough
not to cover with QJ.  Assuming east covers, maybe you transferred the
club threat, allowing the squeeze to procede as planned.  Note that the
club ten is an illusion.  Since you must at some point throw a club from
dummy, it cannot act as a threat (unless you play specifically for a black
suit squeeze against east, but then the double squeeze works as well).
So for the rest of this discussion consider the club 9 to be an honor.

Cash the spades and hearts.  (The spades are cashed to remove any late
ambiguity.  Cashing them is not necessary for the squeeze to work.)
Throw a diamond and club from dummy.  On the last heart, throw a spade.
The ending is: North:D K8, C 6; South: S 9, C K8.
West is stuck.  He needs to keep two diamonds, a spade if he has one,
and two clubs if he has an honor.  If west throws a small club, assume
the double squeeze worked.  Cash the diamond, squeezing east out of the
small club, setting up the club 8.

But there is yet one other possibility.  Suppose west has the spades.
He can throw a small club with impunity.  But if his club is the NINE,
he is subject to a guard squeeze.  The 9 prevents a club finesse.
West must keep 2 diamonds, one spade, and the club, one card too many.
When he throws the club, cash the diamond, finesse the club, take a bow.
The opposing hands:

WEST		EAST
S JT74		S 652
H 92		H T3
D QJT73		D 642
C 95		C QJ732

The guard squeeze is the only possibility.
(It is possible that there will be a guess at the end, but only the world's
best defenders will be able to discard without giving a clue.)

I'd like to report that I actually played it this way, but really I was
sane enough to bid 7H instead of 7NT.  Partner (Rob Buchner, ihuxe!rainbow)
easily made it by ruffing a diamond.  I did point out the guard squeeze
possibility, though, which we later verified.  7H=7.5, or 10 bid it, two
didn't.  7NT would have been 12.

Now, should it be bid?  At IMPS, obviously, no.  At match points, you risk
losing 7.5 to gain 4.5.  Is it a 5:3 shot, or a 62.5% slam?  It's close.

A correct answer was recieved from Peter Montgomery (sdcrdcf!pmontgom)
Several others saw the double squeeze but missed the guard squeeze.