[mw64ahw]

Optimal suit, wrong level, wrong play

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Where do you end up? - we found the correct suit, underbid and went down

As an addition 3 pairs contracted in unmakeable games (1xEW in ♣) 2 making - no-one contracted in a makeable game.

[Winstonm]

I can imagine this auction for me as:
1D-1S
2D-2H
3D-P
Or
1D-1S
2D-2H
2S-3S
P

[nullve]

1♦(1)-1♥(2)
1N(3)-2♣(4)
2♦(5)-P

(1) "10+, NATish unBAL" OR "20-22 BAL"
(2) "0+, (3)4+ S, may have longer H unless GF values"
(3) 9-14, 2-S5D5C OR "10-12", 2-S3-H6+D OR "16-18, any (unBAL)" OR "20-22 BAL"
(4) "8+, relay"
(5) "10-12", 2-S3-H6+D

[Cyberyeti]

Because we play 1♦-1♠-2♦-2♥ as an artificial ask, we would bid 1♦-1♠-2♦-2N(5 spades/4hearts inv)-3♦ I suspect

[TylerE]

1♦-2[s] (5S/4H inv+)-3♦

[pescetom]

Much like Winstonm but probably passing 2S:
1D-1S
2D-2H
2S-p/3S

If diamonds is better so be it, spades is where the system leads.
If BBO were to restore the simulation facility we could know with some objectivity.

[nige1]

mw64ahw 'Optimal suit, wrong level, wrong play
Where do you end up? - we found the correct suit, underbid and went down. tt
As an addition 3 pairs contracted in unmakeable games (1xEW in ♣) 2 making - no-one contracted in a makeable game.
+++++++++++++++++++++
Deal rotated to make South dealer.
IMO responder has a close decision whether or not to pass 2♠.
Game seems a poor prospect

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[mycroft]

Depending on system:

1♦-1♠;
2♦ (usually "overstrength preempt")-2♥
2♠ (or 3♦, but at MPs, I like 2♠)-p. I can see a game try, which gets Nigel's auction.

or:

2♦-2♠;
p. If partner wants to run from diamonds (which, granted, could be J8532 or worse), Kx and the ♦A should be enough to survive.

[mw64ahw]

I'm not sure why, but the NS hands felt like they had game potential when playing, but we got stuck in 2♠

Game probabilities are approximately
5♦ 9% 4 makeable
4♥ 35% 4 makeable
4♠ 19% 6 makeable
Strangely of the 4 pairs that bid ♠ only one pair managed to make 3 with the others going down. Is this such a hard one to play?

1 pair made 3NT after West failed to overcall and a ♥ was led. The other pair in 3NT went down 2 after a 2♣ overcall
1 pair made 5♦ after a K♣ lead followed by the A♣
The sole EW contract went down heavily in 5♣

The other point I felt was an oddity was the general reluctance of the Wests to overcall 2♣

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[Winstonm]

Odd indeed since 2C over 1D is one overcall I have always routinely stretched to make.