Sunday, December 26, 2010

Match 2 - Board 34

Board 34
Our side vulnerable

♠ K 7 6 5 2 8 3 A K 10 8 5 ♣ A

RHO opens with one club. I bid one spade. LHO makes a negative double, partner passes, and RHO bids one notrump. I bid two diamonds. LHO passes, and partner corrects to two spades. Partner doesn't need much to raise over a negative double. So either he has a terrible hand or a misfit. We may be too high already.

Fortunately, RHO takes us off the hook. He bids two notrump. Since opener is limited, this bid has little value as a natural call. It should be unusual, suggesting a 2-2-4-5 pattern. Responder should have length in one minor or the other for his negative double. So the knowledge of a minor-suit fit and the doubleton spade makes it incumbent upon opener to bid with that pattern. (Given my two diamond bid, the minor-suit fit is proabably in clubs, but it doesn't have to be.)

Jack did not alert two notrump, so presumably he does intend the bid as natural. Perhaps he worked out, by dealing out random hands for his partner, that it was right for him to bid, and two notrump was least committal way to compete. If so, then I still have a strong suspicion that he's 2-2-4-5. What other "balanced" pattern could he have that would make it the percentage action to compete unilaterally?

I pass, and two notrump ends the auction. A diamond looks like our best lead. Since I expect partner to be short in diamonds, it's better to lead low than to lead an honor. A typical layout might be


NORTH
x x


WEST
A K 10 8 5


EAST
9 x


SOUTH
Q J x x


or


NORTH
x x


WEST
A K 10 8 5


EAST
J x


SOUTH
Q 9 x x



The systemic lead is fourth best. But I'm afraid the diamond eight may look high. Partner may think I'm leading a high spot to induce a spade shift when he gets in. To make sure he knows diamonds is our source of tricks, I lead the diamond five. Partner knows declarer doesn't have five diamonds. So, the five should not confuse him.


NORTH
♠ 9 8 3
Q J 9 5 4
J
♣ Q 10 9 6


WEST
♠ K 7 6 5 2
8 3
A K 10 8 5
♣ A




West North East South
1 ♣
1 ♠ Double Pass 1 NT
2 Pass 2 ♠ 2 NT
(All pass)


Great! Dummy has a stiff jack. Should I have led an honor? Actually, I guess it didn't matter. I need partner to have an entry anyway to come to six tricks. So a low diamond lead is just fine. Even if I had led an honor, I would be leading low at trick two. So what's the difference?

I must say I don't care for dummy's pass over two diamonds. A singleton diamond and a club fit? Why not bid two hearts? Wasn't he planning on bidding two hearts if I had passed? Why should my bidding his singleton make his hand suddenly better suited for defense?

Partner plays the three and declarer follows with the four. Partner's card should be attitude, indicating that he doesn't have the ten.

What is declarer's shape? Partner would not have corrected to spades with four diamonds, so he must have three diamonds  and declarer must have four. Further, he probably would not have corrected with 2-3 in my suits. (He might give a false preference with a good hand, but I know he doesn't have a good hand.)  So he must have three spades, giving declarer either a 2-2-4-5 pattern or a 2-3-4-4 pattern. As I said before, declarer's unilateral action makes more sense if he's 2-2-4-5, so that's what I'm going to assume. I also suspect declarer has the ace-queen of spades to have bid two notrump in the teeth of partner's two spade bid (although that wouldn't be true if two notrump were intended as unususal). So that gives declarer

♠ A Q ? x Q x x x ♣ K ? x x x

and leaves partner with

♠ J 10 x ? x x x x x x ♣ ? x x.

The opponents are playing 16 to 18 notrumps. So declarer might have up to 15 HCP for his one notrump rebid. That means he could have either the ace or the king of hearts. But if partner has the heart ace, he has a two spade bid over the negative double. So I'm inclined to place declarer with the heart ace and partner with the heart king and the club jack. Not bad for trick one! I know everyone's shape and can place every honor down to the ten of spades!

Of course, I'm wrong. At trick two, declarer leads the four of hearts from dummy, partner plays the ace, and declarer plays the king. I give count with the eight. Hmmph. Partner should have raised with jack-ten third of spades and an ace. If he had, I would have made a game try of three diamonds, and we would have reached three spades. If three spades makes, there's not much I can do about it. But if three spades is going down one, plus 50 will be a fine score. That seems like what we're destined to get. Partner will play a diamond, and we'll take four diamonds and our two aces.

Wrong again! Partner plays the jack of spades--queen--king. I can clear diamonds myself to come to a different six tricks. But maybe we can do better. What if I play a spade to declarer's stiff ace? Declarer has four heart tricks (assuming from his unblock that he has the heart ten), one diamond, and one spade. Down two. He can't afford to knock out the club ace, or I will play a spade to partner for a diamond return, and we can run both our suits. Nice spade shift, partner. You found a way to beat it an extra trick.

I cash the diamond ace just to clarify the diamond suit for partner. Declarer pitches a club from dummy, partner plays the six, and declarer plays the deuce. I switch to the seven of spades--eight--ten--ace. Oops. What happened? How can declarer have three spades? Does he have

♠ A Q 4  K 10  Q x x x ♣ K J x x

or

♠ A Q 4 K Q x x x ♣ K J x x x ?

I can't see bidding over two spades with either hand. But Jack and I don't always see eye-to-eye about these things. These layouts would make partner's bidding more sensible. I was wondering why he didn't raise with jack-ten third of spades and the heart ace. Perhaps he doesn't have three spades. Perhaps he did give a false preference.

Now I've let them make this, trying for an extra undertrick. And what exactly did I expect that extra undertrick to be worth? There may be some minus 100s our way. There might also be some minus 110s, since I think more people will be defending club partscores than notrump partscores. So there may be a huge difference between our beating this one and allowing it to score. Furthermore, we may well be the only pair with a chance to go plus 50 or plus 100, so there may be no difference at all between down one and down two.

Declarer plays the deuce of clubs--ace--nine--three.  I cash the diamond king and concede the balance. Making two.


NORTH
♠ 9 8 3
Q J 9 5 4
J
♣ Q 10 9 6


WEST
♠ K 7 6 5 2
8 3
A K 10 8 5
♣ A


EAST
♠ J 10 4
A 7 6 2
7 6 3
♣ 8 4 3


SOUTH
♠ A Q
K 10
Q 9 4 2
♣ K J 7 5 2


So declarer was 2-2-4-5.  Partner's spade ten was clueless. Not only should he know from the auction that declarer has the spade ace, but my carding told him as well. I cashed the diamond ace to clarify that suit, then I led my highest spade to assure partner that I didn't have a spade honor.

As it happens, my assessment of our matchpoint position was wrong (making me wrong for the third time on this deal - or is it the fourth?). There is no difference between plus 50 and minus 120, and there is a difference between plus 50 and plus 100, although a small one. The one pair who played a club partscore their way made four, scoring 130. And no one was minus 100 our way. Most East-West pairs reached game and went for between 200 and 800. Minus 120 is worth eight matchpoints. One other pair defended two notrump and beat it two tricks, so we could have scored nine matchpoint had we done the same.

Even though my play turned out not to matter--and stood to gain if partner hadn't lost his mind--I still think it was wrong. I didn't stop to assess the risk-reward ratio of my play. Even though it's unlikely declarer has three spades, it's hardly impossible. So I think I should have settled for down one. I just got lucky that there was no difference between plus 50 and minus 120.

Score on Board 34: -120 (8 MP)
Total: 282 (69.1 %)

Current rank: 1st

Sunday, December 19, 2010

Von Zedwitz

I'm going to pause at this point in the match to report on an actual deal, from the finals of this year's Von Zedwitz Double Knockout. For those of you unfamiliar with the format of this event, it operates similarly to a standard knockout, except that you must lose twice before you are eliminated. The finals generally consists of one undefeated team and one once-defeated team. If the undefeated team wins, it has won the event. If the undefeated team loses, then there is a rematch, and the winner of the the rematch wins the event. In other words, if you make it to the finals as the undefeated team, the only way not to win the event is to lose two matches in a row.

Back when I was actively playing, I found myself in this position twice. Both times, my team lost both the first match and the rematch to come in second. The second time this happened, the final match was particularly exciting. The critical deal - and the match and the event - hinged on whether or not declarer held the eight of hearts.

This year, my partners at Gargoyle dragged me out of retirement to play in the event again. And, last week, I found myself once again entering the finals as the only undefeated team (the team consisting of Josh Parker, Bruce Rogoff, Eric Robinson, Marty Fleisher, Jeff Aker, and me).

Fortunately, history didn't repeat itself. We won the first match, rendering the rematch unnecessary, despite the fact that I butchered the deal I'm about to show you.

Board 9
Opponents vulnerable


♠ A K 5 4 J 8 2 K 7 ♣ K Q J 4

I open one notrump (15-17) in third seat, and partner bids two hearts, a transfer to spades. I think the right bid is three clubs, showing four spades, a maximum in high cards, and concentration in clubs. But we haven't discussed pre-acceptances. Some people play that three clubs in this auction shows a doubleton. I'm also not sure what a three-heart rebid by partner would mean. Would it be a re-transfer or a heart suit? I decide to keep the auction simple by bidding a straight-forward, if misdescriptive, three spades. Partner raises to four, and LHO leads the nine of hearts, showing the ten or shortness.


NORTH
♠ Q J 6 3 2
A Q 7 4 3
10 8 6
♣ --






SOUTH
♠ A K 5 4
J 8 2
K 7
♣ K Q J 4



West North East South
Pass Pass 1 NT
Pass 2 Pass 3 ♠
Pass 4 ♠ (All pass)


If spades are three-one and hearts are three-two, I shouldn't have any trouble. My biggest concern is four-one hearts. I could duck this trick and hope the opponents can't take the first four tricks. But there are lots of ways they would be able to do that: (1) if the nine is singleton and East has the diamond ace, (2) if the nine is singleton and East has queen-jack of diamonds, or (3) if East has a singleton king and West has the ace of diamonds. In addition, what do I do if East wins the heart king and plays a small diamond? If the nine was a singleton, I must play low. (East can't have the diamond ace, or he would have beat me by force, so low guarantees my contract.) But if the king was a singleton, I must rise, hoping the diamond ace is onside.

What happens if I go up with the heart ace at trick one? I draw trumps (let's assume I must draw three rounds) and play a heart from dummy. First, suppose East shows out. I play the jack. West wins and plays a low club. I ruff in dummy and play a diamond. If the diamond ace is onside, I'm home. If it isn't, West wins and plays another club. This one I can't afford to ruff. I have to duck and hope West has the club ace. So, if I go up with the heart ace and West has king-ten-nine fourth of hearts, I need either two-two trumps or one of the minor-suit aces onside.

What if East follows when I lead a heart toward my jack? If I play the jack and West shows out, I can no longer establish hearts. Again, I will need to find one of the minor-suit aces onside. Of course, I could insert my old nemesis, the heart eight. West would have led the ten from ten-nine doubleton. So, once East follows low, the only possibilities for West are a singleton nine or king-ten-nine tripleton, the latter being a rather unattractive holding to lead from. Wouldn't it be great if this turned out to be the critical deal of the match and the eight of hearts again proved to be key? Except this time I would be on the receiving end of the eight's favors.

All in all, hopping with the ace looks like a better idea than ducking. I call for the ace, and East follows with the six. I play a spade to the ace, and West pitches the deuce of diamonds. Oops.

Given the diamond pitch, West's likeliest pattern is 0-4-5-4, leaving East with 4-1-3-5. King-ten-nine fourth is not an attractive lead. So there is a fair chance West has both minor-suit aces. Personally, I would bid over one notrump with that hand. But the opponents, for some reason, aren't playing Astro, so West probably doesn't have a suitable action.

Except for the fact that I must draw four rounds of trumps instead of three, the play would appear to follow pretty much the same lines as I envisioned early. I am going to need to find one of the minor-suit aces onside. I draw four rounds of trumps and play a heart to the jack. West wins and shifts to a low club. I pitch a diamond, and East follows low. Now I'm home. I win with the jack and pass the eight of hearts. Now club king--ace--ruff and run the hearts. If the diamond ace is onside, I can make an overtrick if I guess East's pattern. If he comes down to two diamonds, I must hold king-doubleton of diamonds. If he comes down to the diamond ace and a club, I must hold one diamond and one club. I see no reason to think my original assessment of his shape was wrong, so I play accordingly. The diamond ace is offside, so I make only four.


NORTH
♠ Q J 6 3 2
A Q 7 4 3
10 8 6
♣ --


WEST
♠ --
K 10 9 5
A 5 4 3 2
♣ A 10 3 2


EAST
♠ 10 9 8 7
6
Q J 9
♣ 9 8 7 6 5


SOUTH
♠ A K 5 4
J 8 2
K 7
♣ K Q J 4



At the other table, West leads the diamond ace, so declarer has no problems.

I said at the beginning of this post that I butchered this deal. Do you see my error? Neither West nor I noticed that I gave him a chance to beat me in this position:


NORTH
♠ 6
Q 7 4 3
10 8 6
♣ --


WEST
♠ --
K 10 5
A 5
♣ A 10 3


EAST
♠ --
--
Q J 9
♣ 9 8 7 6 5


SOUTH
♠ --
J 8
K 7
♣ K Q J 4



When I lead a heart to the jack, West must win and play the club ace, not a low one. I can't afford to ruff this; I must pitch a diamond. West now exits with the ten of hearts, smothering that pesky eight, and I'm left with two diamond losers.

To make this by force, I must arrange to be in my hand when we reach this position. Then I lead the club king and, whether West covers or not, pitch a diamond. Now there is no defense.

Sunday, December 12, 2010

Match 2 - Board 33

Board 33
Neither vulnerable

♠ A 10 5 Q 7 6 5 2 8 7 4 ♣ 8 5

Partner passes, and RHO opens an old-fashioned 16 to 18 one notrump. I pass, and LHO raises to three. I lead the five of hearts.


NORTH
♠ J 7 4
4 3
Q J 10 6
♣ K J 7 2


WEST
♠ A 10 5
Q 7 6 5 2
8 7 4
♣ 8 5




West North East South
Pass 1 NT
Pass 3 NT (All pass)


Three notrump! Unless declarer has an eighteen count, I don't expect other pairs to be in this game. We'd better beat it.

I'm going to break with the usual format of this blog and give you a defensive problem. I have to do it this way, because if I tell you my thoughts as the play progresses, it will spoil the problem. Partner plays the jack of hearts, and declarer wins with the ace.  Declarer leads the queen of clubs--eight--deuce--four, then the six of clubs--five--jack--ace.  Partner plays the eight of hearts to declarer's ten and your queen. What do you do and why?  The why is important. 'What' doesn't count unless you get the 'why' right. (Well, actually it does in real life; but it doesn't here.)

Now let's back up and go through the play again the Gargoyle Chronicles way. I lead the heart five. Partner plays the jack, and declarer wins with the ace. Declarer obviously has ace-king-ten. He can't disguise his holding from me, but he should have won with the king to disguise his heart strength from partner. Winning with the ace marks him with a second stopper (either the king or something like ace-ten-nine fourth).

Declarer leads the club queen. I give count with the eight, and partner follows with the four. A bell should go off at this point. It appears that partner has ducked the club ace. As a general rule, when defending three notrump, third hand doesn't go around ducking tricks without a good reason. For one thing, how does he know he's not ducking declarer's ninth trick? That consideration doesn't apply here because of declarer's foolish falsecard of the ace at trick one. But, if he had won with the king, partner might have to worry about a layout such as,


NORTH
♠ J 7 4
4 3
Q J 10 6
♣ K J 7 2


WEST
♠ x x x
A Q x x x
x x x
♣ x x


EAST
♠ K x x x
J x x
x x
♣ A 10 x x


SOUTH
♠ A Q 10
K 10 x
A K x x
♣ Q x x



Another reason it might be wrong for third hand to duck is that it might be important for him to win the first trick for the defense in order to retain his partner's entry:


NORTH
♠ J 7 4
4 3
Q J 10 6
♣ K J 7 2


WEST
♠ x x x
Q 10 x x x
A x x
♣ x x


EAST
♠ K x x x
J x x
x x
♣ A 10 x x


SOUTH
♠ A Q 10
A K x
K x x x
♣ Q x x



To make this, declarer must guess which minor-suit ace West has and lead that suit at trick two. He guessed wrong. But if East ducks, declarer can switch to diamonds and make his contract.

So why is partner ducking? The likeliest reason is that he has the diamond king and wants to deprive declarer of a dummy entry. In a layout such as,


NORTH
♠ J 7 4
4 3
Q J 10 6
♣ K J 7 2


WEST
♠ K x x
Q x x x x
x x x
♣ x x


EAST
♠ Q 10 x
J x x
K x
♣ A 10 x x x


SOUTH
♠ A x x x
A K 10
A x x x
♣ Q x



partner must duck to prevent declarer from reaching dummy for a diamond finesse. In a layout such as,


NORTH
♠ J 7 4
4 3
Q J 10 6
♣ K J 7 2


WEST
♠ K x x
Q x x x x
x x x
♣ x x


EAST
♠ Q 10 x
J x x
K x x
♣ A 10 x x


SOUTH
♠ A x x x
A K 10
A x x
♣ Q x x



partner can't stop declarer from reaching dummy. But declarer needs two dummy entries to take all his diamond tricks. Ducking kills one entry, and that's good enough.

For the time being, I'm going to place partner with the diamond king on the basis of his duck. Although I'm going to stay open to the possibility that I'm wrong. Partner may have some other reason for ducking that I haven't thought of yet.

Declarer continues with the club six. He can't have queen doubleton, since partner would have played the three at trick two. And declarer would not play this way from queen fourth without the ten. So declarer must have either specifically queen-ten-six-three or queen third.

Partner takes dummy's jack with the ace and plays the eight of hearts. That means declarer began with ace-king-ten-nine. Declarer plays the ten and I win with the queen.

If I'm right that partner has the diamond king, it looks right to return a heart, putting declarer back in his hand. Is that good enough to beat him? It's good enough only if declarer is three-three in the minors and if partner has the spade queen. In that case, declarer can take only three hearts, two clubs, and three diamonds for eight tricks.

If I'm wrong about the diamond king, is there anything I can do? Declarer will have nine cashing tricks, but there is room in partner's hand for the king-queen of spades. So if declarer does have the diamond king, I may beat it by switching to ace and a spade.

Partner is just as likely to have been dealt king-queen of spades as he is to have been dealt king of diamonds-queen of spades. But if I play partner for the former, I don't care what declarer's shape is in the minors. If I play partner for the latter, I'm playing declarer to be specifically three-three in the minors. So, a priori, my percentage play is to switch to spades. Still, I can't imagine why partner would duck the club with king-queen of spades. I think the inference that he has the diamond king is strong enough to go against the a priori odds. I return the seven of hearts (suit preference, since I think partner knows the heart count already).

Declarer plays the four of spades from dummy, partner plays the spade deuce, and declarer wins with the heart king. He plays the nine of clubs (which confirms he started with three) to dummy's jack.  As long as we're doing defensive problems this week, here's another: What do you discard on this trick?

 It seems natural to discard a diamond, but I don't want declarer to know I don't have the king (assuming he isn't as clever as I am and hasn't deduced that fact from partner's play at trick two). So I pitch the spade five.

By holding on to all of my diamonds, I'm hoping to persuade declarer that this is the layout:


NORTH
♠ J 7
--
Q J 10 6
♣ 7


WEST
♠ A 10
6 2
K x x
♣ --


EAST
♠ Q 8 6
--
x x x
♣ 10


SOUTH
♠ K 9 3
9
A x x
♣ --



The defense needs three tricks. If declarer takes the diamond finesse, I duck. If he repeats the finesse, I win and play a heart. We get four tricks for down two. If, after taking one finesse, declarer thinks this is what is going on, he may refuse the second finesse. He may take the diamond ace, cash the heart, and play a diamond, trying to endplay me for down one. I don't know if declarer will fall for this or not, but it doesn't hurt to give him the option. Most defenders wouldn't clutch their three small diamonds. So, unless declarer has a lot of respect for my game, he might well fall for it.

Declarer plays the diamond queen--three--deuce. I play the seven. Whatever card partner plays on the next diamond will be higher than the four, so it may look as if his last diamond is the four and he is giving present count. (Hee. Hee.)

To my surprise, declarer abandons diamonds. He plays the seven of spades--six--nine--ten. Interesting. For whatever reason, declarer has decided I have the spade ace and he has no chance to make this. He's found a way to hold it to down one no matter who has the diamond king. I clear the hearts. Declarer plays a spade to my ace. I cash the heart and declarer takes the last two tricks for down one.


NORTH
♠ J 7 4
4 3
Q J 10 6
♣ K J 7 2


WEST
♠ A 10 5
Q 7 6 5 2
8 7 4
♣ 8 5


EAST
♠ Q 8 6 2
J 8
K 9 3
♣ A 10 4 3


SOUTH
♠ K 9 3
A K 10 9
A 5 2
♣ Q 9 6



Not surprisingly, almost every other pair played a notrump partscore. The only other pair who played three notrump made four, so we have another top. Why aren't real tournaments this easy?

This hand is good illustration of one of the primary themes of this blog: the importance of asking questions about what is going on and drawing inferences as the deal unfolds. If partner's duck at trick two strikes you as strange and if you stop to ask yourself why he's ducking, this becomes an easy deal. But if you wait until you win the heart queen before you start piecing the clues together, it is a very difficult deal. It is always hard to draw inferences from things that happened several tricks ago. This is why I spend so much time in this blog drawing inferences about what is going on even when I have no decisions to make.

Score on Board 32: +50 (12 MP)
Total: 274 MP (69.2%)

Current rank: 1st

Sunday, December 5, 2010

Match 2 - Board 32

Board 32
Opponents vulnerable

♠ 7 5 4 A J J 9 8 ♣ Q J 4 3 2

Partner opens one notrump (12-14) in second seat and buys it. West leads the jack of spades.


NORTH
♠ 7 5 4
A J
J 9 8
♣ Q J 4 3 2






SOUTH
♠ Q 3 2
Q 8 3
A Q 10 5 3
♣ A 7



West North East South
Pass 1 NT
(All pass)


I play low from dummy, East plays the king, and I play the deuce. East continues with the eight of spades. I play the queen. West takes the ace and cashes the ten of spades, on which East pitches the five of clubs. It's hard to imagine that the club king is onside. What club holding that includes the king would East be willing to pitch from?

I'm going to have to make two discards on West's spades. What should my plan be? One possibility is to pitch down to

(A) ♠ -- Q 8 A Q 10 5 3 ♣ A.

The defense needs to take two tricks to beat me. If East discards correctly, West should be able to tell that I've stiffed the club ace and should find a club shift. After winning the club ace, I must take at least six more tricks without losing the lead. I have two choices:

(A-1) Take a heart finesse. If this wins, I'll make an overtrick if the diamond king is onside and go down one if it's not. If the heart finesse loses, I'm down. In fact, if the diamond finesse loses as well, I'm down some ridiculous number of tricks, since the defense will be able to run the heart suit.

(A-2) Lead a heart to the ace and take a diamond finesse. This gives me my best chance to make the contract. I'll make it if the diamond finesse wins and go down many tricks if it doesn't.

Another possibility is to pitch down to

(B) ♠ -- Q 8 3 A Q 10 5 ♣ A.

This has the advantage that I will never go down a lot, since the opponents can't establish the heart suit. But, against best defense, it reduces my chance of making the contract to 25% (as in line A-1). Assuming West finds the club shift, I will will need both red kings onside to make it. If the heart finesses loses, I'm down one if the diamond king is onside (losing a trick to the heart king and club king) and down two if it's not (losing a trick to each king). As an interesting aside, note that if West somehow fails to find a club shift, I still make two when both red finesses are on. Assuming I'm right that West holds the club king, he is caught in a criss-cross squeeze on the run of the diamonds.

A third possibility is to hold a club, thus preventing West from establishing his club king. For this to gain, however, I need some place to pitch the club later. That means I must hold

(C) ♠ -- 8 A Q 10 5 3 ♣ A 7,

and the heart king must be onside. But then what have I accomplished?  West will play a heart. I finesse and cash the heart ace pitching my club.  If the diamond finesse is onside, I'm no better off than I would have been adopting A-1.  And if it's offside, I'm considerably worse off. C is never superior to A-1, so I can forget about it.

That means I have three strategies to choose from. What makes it especially hard to choose is I have no idea what will happen at the other tables, so it's hard to estimate how many matchpoints each one of my possible results is worth. I must do the best I can, however, so I am going to make some guesses (assuming a 5 top to keep the arithmetic simple):

+1205 MP
+903 MP
-502 MP
-1001 MP
-more0 MP

Since the opponents are vulnerable, I've made the difference between plus 120 and plus 90 greater than the difference between the other scores on the assumption that there will be plus 100s floating about. If the opponents were not vulnerable, I would make the difference between plus 90 and minus 50 greater.

Now let's construct payoff tables for each of my three possible strategies:

A-1 (pitch club and heart, finesse heart)
K onside K offside
K onside 5 MP 2 MP
K offside 2 MP 0 MP


A-2 (pitch club and heart, don't finesse heart)
K onside K offside
K onside 3 MP 0 MP
K offside 3 MP 0 MP


B (pitch club and diamond)
K onside K offside
K onside 3 MP 2 MP
K offside 2 MP 1 MP


Because of my assumption that there will be a significant difference between making one and making two, A-1 turns out to be the winner. At least it's the winner if I think it's 50-50 who has each of the red kings. If East's discards offer some clue about the location of the kings, then the other strategies might prove more attractive.  (If, for example, I decide that the diamond king is probably offside, then I should adopt B.) So my initial plan is to go with A-1, but I am open to changing my mind if I get more information.

West cashes another spade. I can't afford a diamond pitch from dummy. I may need to take three finesses if East has king fourth. So I pitch a club. East discards the club six. This should be present count (assuming the first discard was attitude), so East should have begun with four small, and West should know this.

Why is East reluctant to pitch a red suit? A diamond pitch would be dangerous from almost any holding. A pitch from king-seven third, for example, will cost if I have ace-queen empty fifth. (It allows me to pitch a diamond from dummy, unblocking the suit.) Even a pitch from three small might cost, since it might induce me to drop an offside doubleton queen. Jack, however, always assumes declarer is double-dummy, so he won't worry about pitching from three small. Against Jack, I think the odds that the diamond king is onside are now better than 50%, making B an unattractive strategy.

Why is he not pitching a heart? He might have the king and be hoping hearts represents a source of tricks. Or he might have ten fourth of hearts and be afraid a pitch will give me a trick if I have king fourth.

What should I pitch? A club, retaining the option of adopting strategy B is the most flexible. But I think I've pretty much decided against B on East's failure to pitch a diamond. An immediate heart pitch offers a peculiar advantage: it makes it safe for East to pitch a heart from ten fourth. If I pitch a heart now and East still refuses to pitch one, I can be fairly confident that he has the king. So I make the "discovery play" of the three of hearts.

West cashes his last spade. I pitch another club from dummy. East pitches the deuce of hearts. East's heart pitch isn't especially meaningful. There are a variety of reasons a heart might be his most attractive pitch with or without the king. But if he hadn't pitched a heart once I told him that it was safe to pitch from ten fourth, that would be significant. I would assume he had the king, and I would switch to strategy A-2. Since that didn't happen, I'm sticking with my original plan of A-1.

I pitch the club seven. West, somewhat surprisingly, fails to find the club shift. He shifts to the four of hearts. I play the jack, and East plays the deuce. The diamond king is onside, so I make two.


NORTH
♠ 7 5 4
A J
J 9 8
♣ Q J 4 3 2


WEST
♠ A J 10 9 6
K 6 5 4
7 4
♣ K 8


EAST
♠ K 8
10 9 7 2
K 6 2
♣ 10 9 6 5


SOUTH
♠ Q 3 2
Q 8 3
A Q 10 5 3
♣ A 7



We are the only pair to play the hand our way. Every other table played one spade by East-West. Why didn't I think of that? I was so wrapped up in constructing my payoff tables, I didn't even stop to ask what would happen after a one diamond opening. If I had, it wouldn't be hard to predict that one spade by West would be a popular contract. Actually, I suppose I should be happy I didn't think of that. It took long enough to play this hand as it was. If I started calculating how many tricks we were apt to take against one spade in each of the four scenarios and adjusting my payoff tables accordingly, I'd still be in the tank.

Not that it's easy to tell what would happen in one spade, even looking at all four hands.  Assume the defense starts with a diamond to the queen and a heart shift. It seems natural for declarer to rise with the heart king, since, if the ace if offside, he must lose three heart tricks anyway via a ruff. But if he does rise, he gets tapped out and goes down. If he ducks, he retains control and gets to score the club king for his seventh trick. In practice, three declarers went down in one spade, one made one, and two made an overtrick.

We can now check the accuracy of my matchpoint estimates. Here is what various scores would have yielded, adjusted to a five top.

+1205.0 MP
+902.5 MP
-502.5 MP
-1001.7 MP
-more0.0 MP

I was right that the biggest difference was between plus 120 and plus 90. Although it didn't occur to me that there would be no difference at all between making one and going down one. Overall, my estimates were pretty good, except that minus 100 was a better score than I thought it would be. I hadn't anticipated the minus 110s.


Score on Board 32: +120 (12 MP)
Total: 262 MP (68.2%)

Current rank: 1st

Sunday, November 28, 2010

Match 2 - Board 31

Board 31
Our side vulnerable

♠ J K 10 3 2 A K 8 7 4 3 ♣ 9 3

I open one diamond, LHO overcalls one spade, partner bids two clubs, and RHO cue-bids two diamonds, showing a constructive raise.

What should opener's rebids mean on this auction? Passing should show better defense than offense, in other words, either a balanced hand or an unbalanced misfit (such as a 3-4-5-1 pattern). Doubling should show a better hand of the same type and should establish a force. Jack thinks I should pass with this hand because I have a minimum, but that's nonsense. You can't pass with an offensively oriented hand, since this may be your last chance to describe your hand at a relatively low level. The idea that a free bid in a competitive auction shows extra values was debunked back in the 60s. It's hard to imagine passing with any hand that includes six diamonds. I bid two hearts.

If RHO had passed, I would have rebid two diamonds. Two hearts, as a reverse, would establish a game force opposite partner's two-over-one. In this auction, two hearts does not create a game force, because it is cheaper than rebidding diamonds. Accordingly, minimum rebids by responder (two notrump, three clubs, or three diamonds) are all passable. If responder wants to set up a game force, he has a cue-bid available.

I should point out that not everyone would agree with what I've said here. Some, like Jack, would pass over two diamonds, thinking any action should show a better hand. Others would go ahead and bid two hearts but would consider it a tactical overbid and would still play responder's rebids as forcing. Neither approach makes sense to me.

Over two hearts, LHO bids two spades, and partner bids three spades. Obviously partner agrees with me that two hearts does not establish a game force. Otherwise he would just pass rather than consume a full round of bidding without saying anything useful.

RHO passes. Interesting. If RHO isn't doubling the cue-bid, I wonder if my singleton jack of spades is enough for me to bid three notrump. Maybe. But I'm too chicken to try it. I bid four diamonds, and partner raises to five. LHO leads the ace of spades.


NORTH
♠ K 6 4 3
5
Q J 5
♣ K Q J 4 2






SOUTH
♠ J
K 10 3 2
A K 8 7 4 3
♣ 9 3



WestNorthEastSouth
1
1 ♠2 ♣2 12
2 ♠3 ♠Pass4
Pass5 (All pass)
1Constructive raise


I don't understand the cue-bid. If partner thinks two hearts establishes a game force, then a forcing two notrump bid seems like the right call. And if he thinks two hearts does not establish a game force, then a non-forcing two notrump seems like the right call. What's the point of three spades? To my mind, the auction should have proceeded two notrump--three diamonds--pass.

Of course, the cue-bid might have worked out if I had had the courage to bid three notrump. If LHO has ace-queen of spades and leads a low one, I would make it. At the very least, I have a better chance of making three notrump from my side than I have of making this.

RHO plays the five of spades, and LHO shifts to the six of hearts. RHO plays the ace, and I drop the deuce. RHO continues with the queen of hearts. Really? Why are the opponents so sure I don't have a singleton club? Shouldn't they be cashing the club ace?

Is there any way I can possibly take advantage of the opponents' carelessness? Not that I see. The best I can do is to make the opponents feel stupid by creating the illusion that I have a singleton club.

I ruff the heart in dummy, cash the spade king, pitch a club, and snicker. (An advantage of playing against the computer. I couldn't snicker against humans. That would be coffeehousing.) East ought to be feeling a surge of panic right now. Is he panicked enough to make another mistake if he has the club ace? I lead the club king--seven--nine--ace. Down one.


NORTH
♠ K 6 4 3
5
Q J 5
♣ K Q J 4 2


WEST
♠ A 10 9 8 7
9 7 6
10 9 6
♣ A 8


EAST
♠ Q 5 2
A Q J 8 4
2
♣ 10 7 6 5


SOUTH
♠ J
K 10 3 2
A K 8 7 4 3
♣ 9 3



I see I wouldn't have made three notrump. The one pair who played three notump did make it, but I suppose they played it from the North side and either West never bid spades or his partner chose to lead his own suit anyway. One pair actually passed the board out. The rest were down one in five diamonds. Since one of those pairs was doubled, we get five matchpoints.

I think partner bid too much. He, of course, thinks I bid too much. Would we have stayed out of game if I had passed at my second turn as partner wanted me to? I rebid the hand with Jack to find out. If I pass, LHO bids two spades, and partner bids three diamonds. After my pass on the previous round, I can hardly pass that. With six diamonds and a singleton spade, I have a much better hand for play in diamonds than partner expects me to. I bid four diamonds. Partner might suspect we're off three key cards and pass.  But he doesn't. He continues on to five diamonds. I guess once I open, we are destined to get to game. Hats off to the pair who passed this board out!

Score on Board 31: -100 (5 MP)
Total: 250 MP (67.2%)

Current rank: 1st

Saturday, November 20, 2010

Match 2 - Board 30

Board 30
Neither vulnerable

♠ A J 6 4 3 A K J 6 J 9 8 2 ♣ --

RHO opens one club. I bid one spade, hoping I will be able to double some number of clubs at my next turn. I get my wish. LHO bids two clubs, partner passes, and RHO bids three clubs. I double, partner bids three hearts, and RHO bids four clubs. I don't have anything further to say. This is about what partner should expect for this auction. I pass, and partner bids four hearts.

This makes no sense. If he couldn't bid four hearts the first time, how can he bid it now? If this makes, I owe RHO a thank-you for his four club bid, giving partner a chance to reconsider his decision. Everyone passes, and RHO leads the queen of clubs.


NORTH
♠ A J 6 4 3
A K J 6
J 9 8 2
♣ --






SOUTH
♠ 5
10 8 5 3 2
10 7 6 5 3
♣ A 10



WestNorthEastSouth
1 ♣1 ♠2 ♣Pass
3 ♣DoublePass3
4 ♣PassPass4
(All pass)


Partner certainly should have bid four hearts a round earlier. An eight-loser hand with a known double fit? Of course, the fact that he should have bid it doesn't mean I'm going to make it. West rates to have six clubs and a singleton heart for his four club bid. His likeliest pattern, then, is 3-1-3-6, in which case I'm going down unless his singleton heart is the queen.

Is there any way I can endplay East if my construction is correct? What if I pitch a diamond on the club ace, play a spade to the ace and ruff a spade, then a heart to the ace and ruff another spade. Now a club ruff to dummy and ruff a fourth spade. I'm down to this position:


NORTH
♠ J
K J
J 9 8
♣ --


WEST
♠ --
--
A K x
♣ J x x


EAST
♠ --
Q x
Q
♣ K x x


SOUTH
♠ --
10
10 7 6 5 3
♣ --



I play a diamond. East wins with his singleton honor and is endplayed. He leads a club, and I can ruff in my hand, discarding a diamond loser from dummy. All very nice. But to acheive this endplay, I've tapped dummy out. I need two more tricks, and there is no way to take them.

I'm not entirely sure I would adopt such a committal line even if it were going to work. But I'm certainly not going to adopt it if it isn't going to work.

It seems my only chance to make this if everything is breaking badly is to trick West into crashing diamond honors. Too bad he doesn't know I have five diamonds. If he did, and if I played a diamond from my hand, he might hop with ace-king or ace-queen third to give his partner a ruff.

Maybe I should ruff a spade to my hand to clue him in to my spade shortness. What if I ruff the club in dummy, (I can't afford to let him know I have the club ace. That would tip him off that I don't have any red-suit honors.) then play ace and ruff a spade? Now I play a diamond. Since he now knows I have long diamonds, he might hop. Is there any risk in this line? Possibly. What if West is 2-1-3-7 with a singleton queen of hearts. Now I'm cold on a staightforward line. But I go down on my tricky line, since East can lead a third round of spades for his partner to ruff with the queen.

I suppose I can guard against that by drawing one round of trumps before ruffing a spade. I find it hard to believe that trumps are two-two, so I'm willing to take the risk of not drawing a second round. That's the plan I settle on. I ruff the club in dummy and cash the heart ace. If everyone follows low, I intend to ruff a spade to my hand and lead a diamond.

My ruse proves unnecessary. West drops the heart queen under the ace. I draw the remaining trumps and play a diamond. Diamonds are two-two, so I wind up making five. There was never anything to worry about.


NORTH
♠ A J 6 4 3
A K J 6
J 9 8 2
♣ --


WEST
♠ K Q 10 2
Q
A K
♣ Q J 9 5 3 2


EAST
♠ 9 8 7
9 7 4
Q 4
♣ K 8 7 6 4


SOUTH
♠ 5
10 8 5 3 2
10 7 6 5 3
♣ A 10



This result is worth seven matchpoints. The only result other than plus 450 came from the pair who defended five clubs doubled and collected 300. I must apologize to partner. Had he bid four hearts over my double, West would surely have bid five clubs. We could compete to five hearts, but, in practice, we would probably double and score one matchpoint. Sorry I criticized your bid, partner. (But it's a hollow apology. I still think three hearts is insane.)

Score on Board 30: +450 (7 MP)
Total: 245 MP (68.1%)

Current rank: 1st

Friday, November 12, 2010

Match 2 - Board 29

I usually publish my weekly post on Sunday, but I need to publish early this week, since it is going to be a busy weekend. Hartford Opera Theater is premiering my latest opera, Fall Back.  If you're going to be anywhere near Hartford Sunday night, stop by.

Both sides vulnerable

♠ K J 4 3 K 10 8 6 5 2 -- ♣ K 8 5

Two passes to me. I open one heart, and LHO overcalls one notrump. Partner passes, and RHO bids five diamonds. If he isn't remotely interested in three notrump, there is a good chance he has a heart void. My best guess as to his shape is 4-0-7-2. I'm crediting him with four spades because of his unwillingess to pre-empt at his first turn. Partner probably has enough in high cards to raise to two hearts, since the opponents aren't sniffing at slam, so I suspect he has a doubleton and that there are five hearts on my left.

I pass, LHO passes, and partner doubles. Doubling five of a minor at matchpoints is seldom a good move, since some pairs will play in three notrump. If three notrump makes, the double has little to gain. And if three notrump makes four, a failed double could flip a top to a bottom. So partner must be fairly sure of his ground. He is probably doubling on natural trump tricks, assuming that if diamonds aren't running, three notrump won't be making either.

Unless partner has three tricks himself, I'm going to have to contribute something, and that something is probably a spade trick. One thing I'm not leading is a heart. The risk that declarer is void and a heart lead will allow him to take a finesse he can't otherwise take is too great. A spade lead seems inadvisable as well. Let's say I'm right that declarer is 4-0-7-2, and let's give dummy a 3-5-2-3 pattern, as seems likely. If I give away a spade trick on the opening lead, declarer may be able to pitch one spade on the heart ace and another on the third round of clubs. If I give away a club trick on opening lead, however, that may not be fatal. Suppose declarer has jack doubleton of clubs opposite ace-queen third. A club lead gives him a third club trick, but he still can't dispose of all his spades. As long as the ace and queen of spades are not both behind me, I still have a spade trick. Of course, if dummy has the spade ace, partner must find a spade shift at some point to break up the squeeze. But that should be easy for him to see.

Which club should I lead? The eight seems like the best choice. If declarer thinks I don't have the king, he may hop with the club ace and pitch his club loser on the heart ace. He might even follow with a ruffing finesse in clubs against partner. I don't see how it can hurt to mislead partner. I want a spade shift when he gets in anyway, so misleading him may even prove to be productive. The eight of clubs it is.


NORTH
♠ 10 9 5
A Q J 9 3
Q J
♣ A Q 2


WEST
♠ K J 4 3
K 10 8 6 5 2
--
♣ K 8 5




West North East South
Pass Pass
1 1 NT Pass 5
Pass Pass Double (All pass)


Aha! 3-5-2-3. I called it! It looks as if my construction is correct. Declarer plays low from dummy. Partner wins with the jack; declarer follows with the nine. Declarer must have ten-nine doubleton and was hoping I had led from king-jack-eight third or fourth.

Partner switches to the deuce of spades. The deuce? Unless partner is getting into the act with funny spot card leads of his own, it looks as though I'm wrong about declarer's having four spades. Declarer takes the ace, and I encourage with the four. Declarer plays the seven of hearts. Yes, I was indeed wrong about the spade suit. It now appears declarer is 3-1-7-2. That means he may be able to avoid a spade loser. He can play the heart queen, ruff a heart, club to the queen and ace, and pitch his last spade on the heart ace as partner ruffs in with what may be a natural trump trick.

I play the heart eight, declarer plays the jack, and partner follows. Instead of a low heart, declarer plays the heart ace. Partner ruffs with the seven and declarer overruffs with the nine. I play the six to reassure partner about the spade king. It appears my spade trick is now safe. Declarer plays the deuce of diamonds to the queen. I play the heart five. Partner wins with the diamond ace and shifts to the queen of spades. I overtake with the king and cash the jack. Annoyingly, but not surprisingly, partner follows.

Partner really should have led a low spade. On this particular deal, I can't think of any reason I would need to overtake the queen if I don't have the jack. But leading low from doubleton honors when there is no future in any other suit should be a matter of routine. It would inspire confidence to know I could trust partner to do that.

Anyway, we're out of tricks.  Declarer finishes down two.


NORTH
♠ 10 9 5
A Q J 9 3
Q J
♣ A Q 2


WEST
♠ K J 4 3
K 10 8 6 5 2
--
♣ K 8 5


EAST
♠ Q 6 2
4
A 10 8 7
♣ J 7 6 4 3


SOUTH
♠ A 8 7
7
K 9 6 5 4 3 2
♣ 10 9



Obviously declarer could have finessed the club queen, either at trick one or at trick five, and held it to down one. Ducking at trick one seems right. He might have made this if I had led from king-jack of clubs. But he should have taken the finesse later. It's true that he would go down three if the finesse lost. But I doubt there is much difference between minus 500 and minus 800. He was apparently mesmerized by the eight of clubs. And it was an expensive mistake. Five diamonds doubled down one was the normal result. We would have received only seven matchpoints for plus 200. Plus 500 is a top. And it seems partner was right to double. Plus 100 would have been worth only three matchpoints.

Professor Jack (Jack's post-mortem commentator) wishes to inform me of a possible "misunderstanding" in the card play. I ask him to explain. "Leading the club eight is not right," he says. "From king-eight-five the systemic lead is the five." OK, Jack. Sorry.

It occurs to me that if declarer had held jack-nine of clubs instead of ten-nine, a club is the only lead (other than a bizarre king of hearts) to let him make it. That's a little too close for comfort. I can't imagine either major is really the percentage lead. But I have a feeling the field doesn't know that. It's scary to think how close we came to having a disaster.

Score on board 29: +500 (12 MP)
Total: 238 MP (68.4%)

Current rank: 1st

Sunday, November 7, 2010

Match 2 - Board 28

Board 28
Our side vulnerable

♠ K 3 A J 9 8 6 4 2 9 5 2 ♣ K

One diamond--two clubs--pass to me. I bid two hearts. This bid isn't forcing, but so what? If partner has heart support, he'll raise. If he has a solid opening bid, he'll try to bid something. If he has neither, two hearts is probably high enough.

At least I hope it's high enough, because two hearts ends the auction. West leads the king of diamonds.


NORTH
♠ J 10 2
K 3
J 8
♣ A J 10 9 8 5






SOUTH
♠ K 3
A J 9 8 6 4 2
9 5 2
♣ K



WestNorthEastSouth
1 2 ♣Pass2
(All pass)


East plays the four of diamonds. I'm not sure what the opponents' lead conventions are, so I'm not sure whether West can have the diamond ace or not. Perhaps West has ace-king-queen and East is discouraging, or perhaps East is encouraging with honor-four-three. I "discourage" with the deuce, hoping to induce a spade shift. West shifts--but to the four of clubs. This shift doesn't make much sense unless it's a singleton. I play the club jack, East plays the queen, and I win with the king. I guess it's not a singleton. Why would East cover with queen fifth?

I'm tempted to play a diamond. Perhaps I can ruff the third round of diamonds in dummy and pitch a spade on the club ace. If so, then I'll make three if I have to lose a heart and four if I don't. Might I go down on that line? Suppose East wins the diamond and plays a spade. West takes the queen and ace and plays a third diamond. If I ruff with the king, I could lose two trump tricks. So I ruff low. East overruffs and leads a club. That would be awkward.

I've stayed nice and low. I'd hate to give up my edge by going minus, so I decide to play it safe. I play the heart ace--five--ten, then the four of hearts (As always, hanging on to those deuces on principle)--seven--king--five of spades. I can now pitch a diamond on the club ace and try a finesse against the queen of spades.

Actually, I can't. West ruffs the club ace. His club shift was a singleton after all. He can now play two rounds of diamonds, tossing me in my hand and holding me to eight tricks. But, for some reason, he cashes the spade ace. Making three.


NORTH
♠ J 10 2
K 3
J 8
♣ A J 10 9 8 5


WEST
♠ A Q 9 4
Q 7 5
K Q 10 6 3
♣ 4


EAST
♠ 8 7 6 5
10
A 7 4
♣ Q 7 6 3 2


SOUTH
♠ K 3
A J 9 8 6 4 2
9 5 2
♣ K


It turns out the overtrick is immaterial. We are the only North-South pair to go plus on this board. One pair went down two in four hearts; two went down one in three hearts; the rest defended three spades making four.

The opponents have a double fit, yet they didn't locate either one. What went wrong? For one thing, I believe West should double two hearts. This double should show shortness in clubs, not shortness in hearts. In fact, it should promise three or four hearts so that responder can pass with an appropriate hand.  Using double to show something like a 4-1-5-3 pattern makes little sense. Opener should avoid re-entering the auction with club length when responder couldn't act over two clubs.

Also, although I don't expect a lot of people to agree with me, I think East must take some blame for his pass over two clubs. He knows the opponents have at least eight hearts, he knows from his club length that his partner rates to have long diamonds, and he knows this may well be his last chance to support the suit. I think he should bid two diamonds. The three-card competitive raise of a minor is routine in the style I'm used to playing: weak notrumps with four-card majors.  It is almost unheard of in Eastern Science Fiction, but don't think it's a bad idea in that system either. Of course, if you bid two diamonds on awkward hands with three- or four-card support, you must avoid it when you have good support.  I don't see that as a hardship. With five trumps, you can usually muster up a raise to three or a cue-bid.

If East does bid two diamonds, West will compete with three diamonds over two hearts. It's not clear what will happen after that, but East-West should at least wind up with a plus score.

Score on Board 28: +140 (12 MP)
Total: 226 MP (67.3%)

Current rank: 1st

Sunday, October 31, 2010

Match 2 - Board 27

Board 27
Neither vulnerable

♠ 7 4 3 K 9 7 K 9 8 4 ♣ K 10 4

I pass in first seat. LHO opens with one spade, and RHO bids two diamonds. I pass. LHO rebids two spades, and RHO raises to four. Partner leads the deuce of hearts (third and lowest).


NORTH
♠ A J 9
Q 4
A Q J 7 5 2
♣ J 5




EAST
♠ 7 4 3
K 9 7
K 9 8 4
♣ K 10 4


WestNorthEastSouth
Pass1 ♠
Pass2 Pass2 ♠1
Pass4 ♠(All pass)
1Forcing


The first thing I do when dummy hits is to take note of and memorize the outstanding diamond spots: the three, six, and ten. I once complimented a player for his table presence. Whenever he held a suit like this and played low to the queen, winning the trick, he always seemed to know without any doubt whether the king was onside or whether his RHO had ducked. "That's easy," he told me. "The guy who has the king is the one who glances at dummy's spot cards after his partner plays."

Partner seems to have five hearts. I'm not sure what the opponents' style is with regard to the two spade bid. But I'll assume that South has either six spades or five spades with a side club suit. That makes South's likeliest patterns 6-3-1-3, 6-3-2-2, or 5-3-1-4.

Declarer plays low from dummy. That's a revealing play. If declarer has ace-jack third of hearts, he would normally play the queen as a discovery play. It gains to play low only if I have a singleton king (which seems unlikely) or if declarer needs to win the first trick in his hand (which does not seem to be the case here). The advantages of playing the queen are: (1) declarer finds out where the king is, which will help him in constructing the defenders' hands, and (2) it conceals the location of the jack from both opponents. So I assume declarer has ace-ten third of hearts.

If I'm right about that, then partner probably has the club ace. Leading from the jack is not particulary attractive, and there is no instrinsic reason from the auction that partner should lead a heart rather than a club. The likeliest reason for choosing a heart over a club is that he has the club ace.

If I'm right that partner has the club ace, then I can draw the further conclusion that declarer probably does not have a doubleton club. With ace-ten third of hearts and two small clubs (or queen doubleton), declarer would want to guess whether partner has led from the jack or from the king and play accordingly. Since defenders are more likely to lead from a king than from a jack, the queen is the normal guess. With ace-ten third of hearts and three small clubs (or queen third), however, it would be logical to play low to ensure taking a second heart trick. Declarer doesn't have the tempi to ruff both the third round of hearts and the third round of clubs. So guessing hearts doesn't gain anything. Declarer would be unlikely to go down in this contract if he plays low at trick one. He might well go down if he plays the queen and it gets covered.

I play the nine, and declarer wins with the jack. Poof! The entire chain of conclusions I reached above has now gone up in smoke. Playing low from dummy with ace-jack third in your hand is such an unusual play that, opposite some partners, I would be virtually certain that partner had underled the heart ace. In this case, however, I will just assume that Jack doesn't appreciate the value of information. On purely technical grounds, low is the correct play, so Jack chose it.

Declarer plays the deuce of spades--six--jack. I play the four. Offhand, this play doesn't appear to make any sense. If declarer intends to take ruffs in dummy, he shouldn't be playing trumps. And if he intends to establish diamonds, he shouldn't be wasting dummy entries.

Declarer leads the queen of hearts. I can't imagine he's going to let this ride, so I play low. If declarer didn't want to make a discovery play at trick one, I'm not going to help him out now. Declarer plays the ace, and partner follows with the three. Now declarer attacks diamonds: six--three--ace. I guess partner wasn't sure he could afford the ten. I've seen him give away tricks in the past with his count signals. I'm not sure why he's being more careful this time, but I'm happy to see it. I play the four and follow with the eight when declarer leads a low diamond from dummy.

Declarer ruffs with the five of spades, then plays the eight of spades to dummy's nine as partner pitches the five of hearts. Two mistakes in a row. With king-queen-ten-eight-five of spades, there is no reason not to ruff the diamonds high (with at least the ten). He should then led the five of spades to the ace, not the nine. Even if he can't imagine why he would want to win the third round of spades in his hand, what does it hurt to keep his options open? Sometimes the reason doesn't occur to you until later, for example, a half a second after you call for the nine.

Declarer leads the queen of diamonds from dummy. I play the nine, and declarer ruffs. With diamonds not breaking, all declarer can do now is ruff a heart in the dummy and lose three club tricks. Making four.


NORTH
♠ A J 9
Q 4
A Q J 7 5 2
♣ J 5


WEST
♠ 6
10 8 5 3 2
10 3
♣ A 9 7 6 3


EAST
♠ 7 4 3
K 9 7
K 9 8 4
♣ K 10 4


SOUTH
♠ K Q 10 8 5 2
A J 6
6
♣ Q 8 2



As I thought, leading a spade to dummy at trick two was an error. If declarer had started diamonds right away, he would have had enough dummy entries to make five. You might think that making five would be the normal result, but no one acheived that. One pair made six. Everyone else made four. Presumably the declarer who made six chose to take a ruffing finesse against the king of diamonds. Perhaps his West got into the auction and tipped off his two-suiter.

Score on Board 27: -420 (7 MP)
Total: 214 MP (66.0%)

Current rank: 1st

Sunday, October 24, 2010

Match 2 - Board 26

Both sides vulnerable

♠ A 6 A 10 9 7 2 A 6 4 3 ♣ K 10

RHO passes. I open one heart. LHO overcalls one spade, partner bids two diamonds, and RHO bids two hearts, showing a constructive spade raise.

I have enough to force to game opposite partner's two diamond bid, and three diamonds isn't forcing in this style, so I cue-bid two spades. Partner bids three diamonds. Since my two spade bid did not guarantee support, partner probably has six diamonds. Jack thinks I should bid five diamonds at this point. That might be right if partner has a singleton heart. In that case, I might be able to hold my losses in five diamonds to a spade and a club when three notrump has no play. But any time partner doesn't have a singleton heart, it seems unlikely that I would be making five diamonds unless I'm also making three notrump.

I could punt with three spades, asking partner to bid three notrump with either solid diamonds (which I know he doesn't have) or help in spades. But I'm not so sure I need help in spades. Why can't partner have the club ace or the heart king or a seventh diamond? Even the heart queen may be enough for me to make three notrump on a strip squeeze. I bid three notrump, and everyone passes. West leads the ten of spades.


NORTH
♠ J 8 2
Q 6
K Q 10 8 7 2
♣ Q 5






SOUTH
♠ A 6
A 10 9 7 2
A 6 4 3
♣ K 10



WestNorthEastSouth
Pass1
1 ♠2 2 12 ♠
Pass3 Pass3 NT
(All pass)
1Constructive raise


Well, I hope I was right about that strip squeeze. I cover the ten with the jack to isolate the spade stopper in West's hand. East plays the queen. I have no particular reason to win this. Maybe if I duck, East will find something clever to do. I play low. No clever antics are forthcoming. East simply continues with the seven of spades--ace--three--deuce.

Given the auction, the heart king and club ace are surely split. Probably East has the club ace, since he the heart king will not look like a particularly good card to him, and he seems to be light for his two heart bid as it is. If so, West can't defend the end position. He must come down to five cards. If he discards a spade, I can simply drive the club ace. So he must come down to three spades and two hearts, throwing all his clubs away. I can now toss him in with a spade to lead away from the king of hearts.

If the heart king and club ace are switched, I can still make this provided West has the heart jack. To hold all his spades and the club ace, he must stiff the heart jack. I can now lead the heart queen to pin it.

I play a diamond to the queen and play the seven of diamonds back to my ace. (I doubt very much if I'm going to need that deuce of diamonds. But what does it hurt to hold on to it? One of these days this habit of routinely retaining deuces is going to pay off.) West plays nine-jack of diamonds. East follows once, then discards the club deuce.

It's a good idea in these situations to make an initial guess about how the cards lie, then modify that guess as you go along if the opponents' discards are inconsistent with your picture. If you wait until you're through running the diamonds before you try to reconstruct the unseen hands, it's easy to overlook an inference. Reading the ending on this deal could be difficult. The defenders already knows they have to come down to five cards. So West knows his objective. He must either stiff the heart king while making it appear that he hasn't, or he must retain king doubleton of hearts while making it appear that he has stiffed it. It's East's job to figure out what hand West is trying to represent and to cooperate.

For my initial guess, I'm going to place West with 5-2-2-4 and East with 3-4-1-5. That seems like the single likeliest pattern.

I play a diamond to dummy. West discards the heart three; East the club three. Possibly West is being tricky and stiffing his heart king right away. But Jack isn't usually so deviousl. So I'm inclined to doubt that he began with a doubleton heart. I'm going to revise my guess. I'm now guessing that West started with 5-3-2-3; East, with 3-3-1-6. Having a six-card side suit is perhaps more consistent with his aggressive two heart bid anyway. On the next diamond, East plays the club four; West, the heart five. This doesn't look good. Could West have started with three small hearts? If so, I'm not making this. Perhaps he has jack third of hearts and is hoping his partner has king-ten (or the ace).

On the penultimate diamond, East plays the heart four. I pitch the heart seven, and West pitches the five of spades. Not a good move, West. Now I'm cold. Both opponents pitch clubs on the last diamond. I drive the club ace and claim my nine tricks.


NORTH
♠ J 8 2
Q 6
K Q 10 8 7 2
♣ Q 5


WEST
♠ K 10 9 5 3
K J 5 3
J 9
♣ 9 7


EAST
♠ Q 7 4
8 4
5
♣ A J 8 6 4 3 2


SOUTH
♠ A 6
A 10 9 7 2
A 6 4 3
♣ K 10



West had a golden opportunity to mislead me. I wasn't expecting East to have seven clubs. West should have represented 5-3-2-3 and pitched two clubs and two hearts. I might then play him to have stiffed one honor or the other and go down. We again see the difficulties in teaching a computer to play bridge. Jack can tell that there is no defense, so he gives up. Since he can't look at the deal from his opponent's point of view, he has no way to see that pitching a spade offers declarer no realistic opportunity to make a mistake, whereas pitching two hearts and two clubs does.

Only one other pair reached three notrump. That pair was also plus 600. Every other pair was down in five diamonds, so we get 11 matchpoints.

Score on Board 26: +600 (11 MP)
Total: 207 (66.3%)

Current rank: 1st