At the Gold Coast congress in Brisbane, Australia, last year, four hearts was clearly the best game for North-South. However Howard Melbourne found the killing trump lead, and declarer won in dummy to lead a spade to the eight and jack. After much thought Melbourne kept up the good work when he found the shift to a low club. Declarer rose with the ace to play a second spade and Barbara Travis won to lead a second heart. Now declarer won in hand and advanced the spade queen, ruffing it in dummy when West followed low without pause for thought.

That was one down when spades did not break — but declarer had been guilty of careless play. When East produced the spade king after having ducked the first spade, who had the spade ace? It was dollars to doughnuts, as one of my journalist colleagues is fond of saying, that West had the spade ace.

Meanwhile the blame was not all with South. East could and should have settled the issue in favor of the defense by rising with the spade king at trick two to play a second trump. This might not she been enough to defeat the contract had the cards not lain as they did. Still, looking at the doubleton trump, East should know that it could hardly be wrong to let partner win the second spade in order to give them the chance to lead a third trump – a play East knows she cannot perform for herself.

The Gold Coast congress is very different from a US event, in that they have separate categories of open, novice, intermediate and seniors but everyone plays the same deals.

In round eight of the Intermediate Teams qualifying, Ian Lisle sensed that his foursome was behind in the match against the squad captained by Margie Knox. The action he took here made the difference between winning and losing. Lisle was playing with his wife, Vicky.

In six diamonds he took the opening spade lead with dummy’s ace and ruffed a spade. He played a diamond to dummy’s queen and ruffed another spade. He then cashed two more trumps, leaving dummy with one.

The contract makes with a successful heart finesse, but Lisle didn’t think that this would work. There were only 11 high-card points out and West was likely to have most of them for the two spades overcall, which was known to be on only a five-card suit.

Lisle decided to forget about the heart finesse and hope that West held a singleton or doubleton heart king. Accordingly, at trick seven, Lisle played a heart to the ace and followed with the heart queen.

West won the heart king and had two bad options: to lead away from the club queen or give declarer a ruff-sluff. He chose to play a club, which Lisle ducked round to his jack. Slam made for plus 920 and a big swing to his side instead of an equal swing away, since the other table played the diamond game.

Bob Scott and my old friend John Wignall were the early leaders of the pairs tournament at the Gold Coast last year in Brisbane Australia, form where all this week's deals come. The first board out of the box certainly didn't hurt.

When East led a trump against Scott’s ambitious game, (one could hardly argue with the choice of any card in his hand) that was one hurdle over. Scott’s spade seven held, and he played a second trump. East won and should surely have exited with a low club, but he cashed his club ace, receiving encouragement, then erred again by taking his heart ace before playing a second club. Scott rose with the king and led the heart 10 from hand, ducked smoothly by West. Scott overtook and ran the trumps, to reduce to a four-card ending with a trump, two hearts, and a diamond in dummy, and the ace-queen of diamonds, a heart and the club 10 in hand.

Best now would have been to cash the last trump and pitch the heart from hand. West gets caught in a triple squeeze where he must pitch the diamond king or club queen, or unguard the hearts.

Scott erred when he pitched his club 10 instead on the last trump, and now West could pitch the club queen, which he did after much squirming. Scott then cashed the heart queen, and decided the tempo indicated he should play East for the diamond king. So he led a diamond to his ace for his 10th trick.

A recent deal from the Gold Coast Congress in Australia presented some interest to me. With South declarer in three no-trump on a top club lead from West, how challenging a deal do you think this is?

I was surprised to see that no fewer than a quarter of the field went down in three no-trumps after a club or diamond lead. If that doesn’t tickle your curiosity, it should, since this is almost a sure trick problem (you can’t guarantee the contract since the opponents might have four hearts and a spade to cash, and 5-2 diamonds might embarrass you).

After a club lead by West, the hand with the entry problems is clearly North rather than South — the spade honors should always allow you to reach the South hand late in the day. So win the club lead, unblock diamonds, then cross to the club honor in dummy, and cash your two remaining diamond tricks. When you lead a spade toward South, the defenders can win but they cannot cash their four heart tricks because of the blockage.

Just for the record, if North is declarer on an initial spade lead by East, life is far harder. South covers the jack, and West does best to duck. Now the only way to make the game is for declarer to play on hearts at every turn to cut the defenders’ communications in hearts. That way, the defenders will eventually have to allow declarer into one hand or the other.

Gunnar Hallberg is not only one of the best players around, he is also a fine analyst, with a good eye for a deal. He sent me this apparently simple board from an online teams game, telling me that both his partner and his opponents could have done better. But now you are warned, you won't fall into the traps, will you?

At the table the contract of four hearts received a top club lead. Declarer won the ace and drew trumps, then stripped off the clubs, and led a diamond to the king and ace. Back came a spade to the jack and queen and West cashed his diamond winner then played a second spade; 10 tricks made.

The defensive error is easy to spot; had West underled his diamond queen, East would have won his 10 and played a second spade, for down one. But declarer’s slight slip is far harder to spot. He could surely have made the defenders’ life more difficult if he had given up on the overtrick after winning the club king at trick one. After taking out the trump and leading a club to the king, a low diamond from dummy would have made East’s life VERY hard. He needs to go in with the 10 to have any chance to set the hand. Be honest, would you have found the play?

I suppose one could argue that the play is unlikely to cost; but I’m not sure I would see the position coming unless I was very wide awake.

When this deal occurred at my local club, I was interested in the variety of play and defense that took place. At my table West led the club king, requesting count. East showed a doubleton so I won the second club and led the diamond jack from my hand. East won this, to play a heart, and I took the trick in hand and led the diamond queen. When East shrewdly ducked, I cashed two hearts ending in dummy, took the spade finesse, then threw East in with a diamond. He could cash his long heart but I took the last three tricks with two spade winners and a diamond.

At other tables West was allowed to hold the first two club tricks. A third club now was pointless, so West looked to try to set up a trick for his partner. The heart nine turned out to be the winner, since East was able to get in twice more in diamonds, and establish a fifth winner for his side.

But note that to defeat the hand East still needs to keep declarer out of dummy for the second spade finesse. So he must duck either declarer’s first or second high diamond, or declarer can come to three spade tricks, three heart tricks, two diamonds and a club.

(As an aside, it is very useful against no-trump to have the specific leading agreement that one of the ace or king asks for attitude, the other shows a good suit and requests the unblock of an honor, or a count signal – high for even, low for odd.)

There are plenty of people at the Dyspeptics Club who would consider raising one spade to two as East, to muddy the waters for the opponents, but at unfavorable vulnerability today's East was not amongst them. Accordingly North-South had a relatively free run to four hearts, against which West cashed his two high spades and shifted to a passive trump. That left declarer free to tackle the hearts and clubs as best he could, without any help from the opponents. At the table he saw no need to look further than drawing trumps and advancing the club king. West took the trick and continued with his passive defense, by returning a club.

Now South tested clubs first, then when they failed to behave he took the diamond finesse, and was more hurt than surprised when it lost.

South was about to start lamenting his bad luck when he noticed from his partner’s premature gloat that this would be inappropriate. Untypically, he asked his partner if there was anything he could have done, rather than trying to absolve himself from blame. What was the response?

South should have drawn trumps ending in his hand then led a low club toward the dummy. West cannot gain by taking the trick and having his ace fall on empty air. But when he ducks, he is thrown in at the next trick with the club ace, to give a ruff-sluff or lead diamonds for declarer. Either way, 10 tricks result.

Some of the clever plays found by experts are absurdly simple. Watch Zia Mahmood at work in his contract of six no-trump. West leads the spade 10, you play low from dummy, East contributes the jack and you win the ace. Plan the play before reading on.

The obvious thing to do is lead a heart to your king, but can you see the extra chance spotted by Zia? At trick two he played the spade six from his hand and ran it when West twitched, then played low. That was his 12th trick immediately. Zia was confident that East would not have played the jack unless he had to, and West did not see the need to split his honors, but learned the hard way that it never pays to underestimate your opponents.

Zia might still have succeeded had West split his spade intermediates. Ever the showman, he would have seen that he could make his slam by playing West for the heart ace. If he runs all his winners coming down to a three-card ending (where in his hand he holds the singleton heart king and spade Q-7) West either has to discard down to the singleton spade nine, allowing Zia to run the spades, or else come down to the singleton heart ace, in which case Zia could exit with a heart to endplay West into leading a spade.

We cannot be sure Zia would have played the hand this way, but in my experience it does not pay to bet against him.

Put yourself in East's shoes and see if you can do the math in today's deal.

When South jumps directly to three no-trumps over one club, West leads the spade jack and your first question is what is South’s likely distribution? Very probably he has 3-3-3-4 pattern with a minor and 13-15 points — possibly a 12-count with good intermediates. Declarer wins the lead in dummy, and calls for the club queen. Your ace holds the trick.

Now is the time for some more counting. Dummy has 13 points; you expect declarer to have about the same, and you have nine. Partner can have only one significant high card, thus the only suit that could produce three winners for your side is hearts. If you lead a low heart that will do the job at once if partner has the king, but if what declarer has that card and partner has the heart 10 plus an entry in the form of the club king? Now leading the heart ace won’t do the job, nor will the eight or nine, as declarer will run that to the jack.

The only card to help your cause is the queen. If South covers with the king, partner is well-placed to play his heart 10 through dummy’s jack when in with the club king. And if South ducks, a low heart next will keep defensive communications open and lead to five tricks for the defense.