[Chillwell1]

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You end up in 6♠ and get a club lead.


What is the best line of play?

[WesleyC]

Really tricky hand, what was the auction?

[nige1]

Chillwell asks "You end up in 6♠ and get a club lead. What is the best line of play?"
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Finessing ♦9 wins when West has ♦KQT..., ♦KT..., ♦QT... or ♦KQ doubleton.
When you lead a ♦, West should probably play a high honour, if he has one.
Finessing ♥8, possibly playing for the drop later, seems to have slightly better chances.
Both lines have squeeze possibilities

Hence my guess:
Win ♣A, Finesse ♥8.
If defender's return a ♦, then you have to decide whether to cash your ♣s, before drawing all the trumps.

Otherwise, win the black suit return, cash ♠AKQJx discarding ♦xx.
Cross to ♥K, cash ♣KQ discarding ♦xx.
Cash ♦A. reducing to

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Unless ♦J is good, lead a ♥ and guess, depending on defender's carding
(Mutatis mutandis, play ♥A).

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[Chillwell1]

WesleyC, on 2019-June-14, 11:17, said:

Really tricky hand, what was the auction?

It went:

1C - 1S
1NT* - 2C*
2H - 3D
3H - 4C
4H - 5D
5H - 6S

1NT was balance 15-17
2C was Roudi
2H was min and 3-card support

[Chillwell1]

Thanks for your reply!
Yup, i guess it seems tho that the heart finess have some better chances than the double finess in diamonds.

What is the percentage that west have D10 and diamond honour?

I heard that the Diamond finess (D10 and DQ/DK on west) have 6% better chances than the heart finess or play hearts 3-3.

Is that correct?

[Cyberyeti]

Chillwell1, on 2019-June-15, 16:12, said:

Thanks for your reply!
Yup, i guess it seems tho that the heart finess have some better chances than the double finess in diamonds.

What is the percentage that west have D10 and diamond honour?

I heard that the Diamond finess (D10 and DQ/DK on west) have 6% better chances than the heart finess or play hearts 3-3.

Is that correct?

Diamond finesse you're not dead if the 9 loses to the 10.

Imagine you crossed with a heart to finesse 9♦, it loses to the 10 and a heart (best I think) is returned, now you win, pitch a heart on a top club, ruff a heart and hearts 3-3 and trumps 3-2 will get you home as you still have K♠ as an entry, QJ is also OK if the trumps break.