[ahydra]

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Matchpoints. After a bidding mixup I found myself in 4S rather than partner playing 3NT. On the lead of the DJ to the Q and K, then D5 return to the 10 and Ace, I played the SJ: Q, A, small, then cashed the King and West showed out. :/

Can you spot the winning line from here? (I expect experts will find it fairly easily.)

Spoiler

I ducked a heart to West, won the heart return and ruffed a heart, East discarding a club. Now the D9 was cashed, followed by the fourth diamond:

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East was holding ♠964 ♥- ♦- ♣Jx at this point, and found himself completely stuck - he opted to ruff, but I won the club return in dummy, cashed the other club and led towards my 10-8 of spades sitting over East's 9-6. Of course, if he doesn't ruff, he gets endplayed. I've known about trump coups for years but that's the first time I've actually managed to pull one off - and earn a top board to boot

ahydra

[johnu]

You should have been defeated on the line of play in the spoiler.

Spoiler

Cash the ♦9 (RHO must have started with K8x), ♥A, ♣AK, and ruff a club. Exit with heart or last diamond.

If you don't cash the ♦9 right away, RHO can pitch a diamond and will be able to ruff the 3rd and 4th round of diamonds, leaving you a trick short.

[Fluffy]

You shouldn't had duck any trick, third club is just as good to get a ruff than the heart.

[alok c]

5.Cash D9.
6&7.A,K OF Clubs.
8.HA.
9.Ruff a Club.
1O.Exit a Heart.

[gszes]

alok c, on 2016-March-24, 23:21, said:

5.Cash D9.
6&7.A,K OF Clubs.
8.HA.
9.Ruff a Club.
1O.Exit a Heart.

This lop offers the least chances for rho to ruff in early before we are ready to try and ruff a club small. We cannot make this if rho does not have at least 2 clubs and 1 heart and by playing our diamond winner at trick 5 rho has no opportunity to pitch losing diamond.

[Fluffy]

alok c, on 2016-March-24, 23:21, said:

5.Cash D9.
6&7.A,K OF Clubs.
8.HA.
9.Ruff a Club.
1O.Exit a Heart.

Advancing ♥A is not neccesary, East has at least 13 cards, he can't pitch all his hearts on third club.