There is another twist. If the second question we put to Mr Jones is “What is the sex of your older child?” and his answer is “male” then the probability that he has two boys is indeed 1/2. But it is more delicate if we say “Tell me the ...
If we follow Barry’s line i think it is North who is squeezed (in three suits) on the third round of hearts. He doesn’t end up getting thrown in, because any discard gives déclarer a straightforward way to succeed. The spade menace is of a kind I had ...
Ambiguity after a double and opponents’ preemptive action is indeed the big weakness of these methods. I played NFB (after “space-consuming” overcalls, with invitational jump-shifts) in a couple of partnerships between 1967 and 1970. We did quite well in (non-expert!) MPs but the big downside, especially at IMPs, was after ...
Real men don’t run. Almost 50 years ago my partner fancied himself as the best player in the University and our opponents at MPs were a pair of upstart freshmen. My RHO opened a 10-12 NT and it went Pass 3NT Dbl PPP. I had to find a lead ...
The EBU L&E Committee has indeed got very worried about artificial strong openings on distributional hands, particularly when people are playing what in the UK is called "Benjamin". I play a little in France now where the standard system (2♣ "strong indeterminate", 2♦ GF) is similar to ...