Zelandakh, on 2012-September-11, 05:18, said:
1. Phil's suggestion that partner will always show a club control or serious interest seems flawed to me too - is partner not allowed to bid 4♥ with bad trumps and spade wastage? If we are willing to respect this as a sign-off then the splinter route is better; if not then it is surely better to force partner to cue bid. How many of the splinter bidders would pass a 4♥ rebid from Opener over their 3♠?
Basically, you can divide the NT hands opposite the splinter into two or three ranges, based on the number of working cards. Both seem workable on this hand. You will have a sign off, a non serious cue, and a serious cue, and over any of them you will get a chance to bid 4S to show your void, and partner will now cue bid efficiently. If partner shows a serious try, for example, you can just bid 4S and away keycard to find the grand, since it must be good even if partner has the ace of spades. If he has KQJx spades and signs off, you have also learned something useful, and your constructions will be moderated. With AK K in the minors and KQJx of spades, you will still get to slam after a non serious try.
You are not ever passing.

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