100% east. 4♥ is a problem bid, because giving initiative to w he will never be able to show 7th and 8th spades. After positive 4♣ E must take control, and after finding all KCs will have several ways to fix the 13th trick.
It seems E intended ...
If partner can have 5 card major, 6 card minor but can not have singletons, chances for fit in major are around 58-61%. If he responds 3♦, in about 50% he will have 4♦. So, Steyman finds fit about 80% of time and seems clear. I do not ...
Partner having 3+♠, 11+pc did not double. Does not this mean that if he is not bad 11-12, either he is very long in ♥ or short in ♦, or both? 4315 with not good ♣ suit, or 4414 seems likely. So do not see why is it ...
What about this kind of one dimensional reasoning: most probably there are 18 total trumps, and 18 tricks according to TNT. So, if they have only 6 tricks in ♠ or ♥, to collect 500 or 800, then we have 12 tricks in 6♣.
Mike, I am not sure I understand the question properly, but: as Eric Rodwell says in his famous interview (http://www.bridgematters.com/rodwell.htm), 2♣ is the weakest part of strong ♣ systems. It has almost zero preemptive value (♣ is the lowest suit, so after t-o double ...
Distribution of players by skills has positive skewness (https://en.wikipedia.org/wiki/Skewness), i.e. this distribution is elongated in positive direction. This means that there are bunches of chess players with ELO rating below 23OO and only Magnus Carlsen above 28OO. This causes similar (positive) skewness of the ...