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[Event "Pedestrian Defense -- Problem"]
[Site ""]
[Date ""]
[Board "4"]
[West "Jim"]
[North "Gary"]
[East "Adam"]
[South "Pete"]
[Dealer "W"]
[Vulnerable "All"]
[Deal "W:AQ3.8643.7654.76 KT854.7.AQ98.Q54 J96.AJT9.K2.AT83 72.KQ52.JT3.KJ92"]
[Scoring ""]
[Declarer "E"]
[Contract "2HX"]
[Result ""]
{

Take my South seat on this deal from an open pairs event at the 2016 Warwick
Regional.  Declarer is multiple national champion and New England bridge star
Adam Grossack, on his way to winning the event by several boards.

You pass partner's reopening double for penalties and lead his suit.  Declarer
plays low from dummy, and partner wins the \SK.  He returns the \S10, showing
an entry in diamonds (the higher side suit).  Declarer wins the \SQ, calls for
a club from dummy, low from partner, \C8, and you win the \C9.  What now?}
[BCFlags "1f"]
[Hidden "NE"]
[Auction "W"]
Pass 1S 2H Pass
Pass X AP
[Play "S"]
S7 S3 SK S6
S2 SQ ST S9
C9 C6 C5 C8

[Event "Pedestrian Defense -- Solution"]
[Site ""]
[Date ""]
[Board "4"]
[West "Jim"]
[North "Gary"]
[East "Adam"]
[South "Pete"]
[Dealer "W"]
[Vulnerable "All"]
[Deal "W:AQ3.8643.7654.76 KT854.7.AQ98.Q54 J96.AJT9.K2.AT83 72.KQ52.JT3.KJ92"]
[Scoring ""]
[Declarer "E"]
[Contract "2HX"]
[Result ""]
{

As usual, it is correct to lead a trump against a doubled partscore.  It's
close, but the contract cannot be made on the lead of the \HK, even though the
lead gives up a "sure" trump trick.  If North shifts to a trump at trick two,
the contract is easily defeated.  But there's one last chance!  The lead of the
\HK now will still set the contract.  Your spade ruff will be your entry to
clear trumps, limiting declarer to one ruff on dummy.  Declarer will get three
trumps in hand, one ruff on dummy, and one trick in each side suit.  If he
ducks, you can set the contract by continuing trumps or not. 

What I actually did was to lead a diamond, obtain my ruff, and exit with\DJ.  I
waited for my two additional trump tricks, to set the contract one.  

Adam played the \CA and ruffed a club, ruffed a diamond, and ruffed his last
club with the \H8, just high enough to prevent North from overruffing.  With
the lead in dummy, the final three cards in the East and South hands were \H A
J 10 and \H K Q 5.  After any lead from dummy and the \H10 from East, my second
trump trick evaporated.

North can also try to get in the way by playing the \CQ on the first club
trick.  Declarer must win, or North will surely defeat the contract.  However,
the lead of the \C10 at this point puts South in, and the hand plays out the
same way.  Either way, South gets the chance to make the last mistake.

Part of the problem was Adam's 2-level overcall on only four cards.  Neither of
us figured that out until after the session.  We as a partnership have agreed
to avoid reopening with a double, with a void in the bid suit.  If, in spite of
that, declarer had a fifth heart, leading the \HK would have blown up the
contract.  

<i>- Pete Matthews</i>}
[BCFlags "1f"]
[Auction "W"]
Pass 1S 2H Pass
Pass X AP
[Play "S"]
S7 S3 SK S6
S2 SQ ST S9
C9 C6 C5 C8