[cencio]

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opening lead ♣ ace
Have Fun

[Vampyr]

Spoiler

You pitch a heart at trick one and ruff one to make an overtrick. I know this problem is intended for novices and beginners, so the trick is to play hearts from North and spades from South. You must not attempt to ruff a diamond back to hand.

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[Cyberyeti]

 Vampyr, on 2020-April-01, 19:22, said:

Spoiler

You pitch a heart at trick one and ruff one to make an overtrick. I know this problem is intended for novices and beginners, so the trick is to play hearts from North and spades from South. You must not attempt to ruff a diamond back to hand.

.

must admit, I'd play a bit more safely so I don't dial an absolute telephone number if spades are 3-1. At the point you play the final trump, you can make exactly by just playing winning hearts, not risking 1400 by playing the trump.

[nige1]

West leads ♣A against South's 4♠.
Cencio's deal modified so that ♠ break 3-1.

In that case, to settle for 1-off, GIB says North needs to discard a ♥ while South ruffs.
Then South leads a ♥.

If declarer isn't careful he might be defeated by 3 or more tricks.

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[RD350LC]

 cencio, on 2020-April-01, 12:36, said:

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opening lead ♣ ace
Have Fun

This is very similar to the Duke of Cumberland hand, where a pair makes 7 clubs with 6 hcp between the two hands.

[Vampyr]

 Cyberyeti, on 2020-April-02, 04:23, said:

must admit, I'd play a bit more safely so I don't dial an absolute telephone number if spades are 3-1. At the point you play the final trump, you can make exactly by just playing winning hearts, not risking 1400 by playing the trump.

Well, to be fair it is a double-dummy problem. I would play as you suggest single dummy.