Posted 2014-January-01, 09:40
On the original auction as posted I agree with Jallerton that East should jump to 4D over 3C. It's obviously much harder to get to grand after an opposition opening and response, because the strengths are so much less well defined
We also missed grand which was my fault, we should have bid it.
I really think East needs to splinter at some point, to tell partner the important piece of news. He knows there is no spade fit and that partner is likely to have 6 clubs (if not, then 3145 which is also very suitable for play in clubs)
We started the auction as follows:
1♣ P 1♦ (hearts) dbl
2♣ P 3♦ (splinter) P
3♠ P 4♦ P
?
At this point I just jumped to 6♣, which was feeble, although good enough to gain 11 imps.
I considered 5♥ over 4♦, which must be a void, but I was worried that would get me to grand off the ace of spades opposite, say, Qxx AKxxxx A Axx
I think it's right to cue 4♥ here. We also would not usually cue bid shortness is partner's primary suit, but here you are planning to take control and you are very likely to have shortness, for no 3♥ bid over 3♦ - (I had already denied 3 hearts by rebidding 2C). Over 4♥ partner will, on the actual hand, cue 4♠ and now I think the right bid is GSF, as we can distinguish 1 and 2 top honours. I bid 5♠ (GSF) and partner 5NT (1 top honour), 7♣
You can't underwrite 13 tricks, but opposite the 3 relevant aces (already shown) it is at worst on the spade finesse. Partner is either 4414 (worst case) or has 5 hearts; opposite as little as Axxx Kxxxx A A9x you can win (say) a diamond lead then heart ruff, diamond ruff, heart ruff, club to the ace, heart ruff high, diamond ruff, heart ruff high, trumps. This makes with hearts 4-4 or short ace, or you can choose to squeeze LHO if he has the long heart, or instead the spade finesse; that is very good odds and partner could have the HA or the SQ or a 6th heart or... Even opposite Axxx xxxxx A Axx you are close to with the odds, and that is light.
The really bad hand opposite would be a diamond void when you might be a bit short of tricks, but then opponents haven't bid more diamonds even after RHO showed the suit.
So it's easy to construct a winning auction after the fact in the fora. But we knew that already.