[Cyberyeti]

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The notrump was 12-15, the lead is ♥10 on which the other opp plays the Q to your K.

[LBengtsson]

good problem. clever play put pressure on opps 2nd trick ♠J. sensible play small ♦ towards dummy

[nullve]

Rudimentary plan:

2. ♦9
4. ♦7

Will even lead the ♣J from dummy, and overtake with the A if East plays low, before I touch spades.

[Cyberyeti]

 nullve, on 2021-February-05, 04:06, said:

Rudimentary plan:

2. ♦9
4. ♦7

Will even lead the ♣J from dummy, and overtake with the A if East plays low, before I touch spades.

You running the 9 or playing the Q or J ?

[nullve]

 Cyberyeti, on 2021-February-05, 05:06, said:

You running the 9 or playing the Q or J ?

Quack if West plays low.

[nige1]

CyberYeti 'The notrump was 12-15, the lead is ♥10 on which the other opp plays the Q to your K.'
++++++++++++++++++
♦9 at trick 2, to dummy's ♦J. Perhaps RHO will switch to ♠s but, otherwise, win the ♥ return and lead another ♦.
If you manage to set up 3 diamond tricks, then you have the 9 tricks that you need for pour contract.
Now, you can decide whether and how to try for overtricks.
Perhaps testing the waters with ♣J, as Nullve suggests.

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[Cyberyeti]

Spoiler

You can't actually go wrong playing on diamonds, W has A10, hearts appear to be 4-4 although this is an easy place for opps to false card, which black suit finesse do you take if any ?

[Tramticket]

 Cyberyeti, on 2021-February-05, 06:04, said:

Spoiler

You can't actually go wrong playing on diamonds, W has A10, hearts appear to be 4-4 although this is an easy place for opps to false card, which black suit finesse do you take if any ?

Spoiler

The field will probably be in 4♠ and can lose two diamonds and a diamond ruff. They are going off if the spade finesse fails. They might not need the club finesse because they can discard clubs on the long diamonds. You want the club finesse to work but are relaxed if the spade finesse fails. I take the club finesse.

[Cyberyeti]

 Tramticket, on 2021-February-05, 09:02, said:

Spoiler

The field will probably be in 4♠ and can lose two diamonds and a diamond ruff. They are going off if the spade finesse fails. They might not need the club finesse because they can discard clubs on the long diamonds. You want the club finesse to work but are relaxed if the spade finesse fails. I take the club finesse.

Spoiler

What spade finesse, if they take the ruff aren't you playing for it to be from 3 cards in a 3-2 and going for the drop ?