After two passes and the dreaded multi 2 diamonds, I didn't have enough for a 2NT bid, but since LHO was a passed hand and the vulnerability was favorable, I felt that was more representative than the classic double with a balanced 13-15...
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The most recent North American Bridge Championships (NABC) was held in Detroit earlier this month. This was rather a let down from the previous NABC in San Francisco. While we had beautiful weather in San Francisco, early March in Detroit was (literally) freezing. Perhaps this contributed to I and many others at the tournament getting sick.
By the end of the week, having lost in the Vanderbilt, we were moving our way up the stanidngs in the national swiss team the final weekend. The final match of the event featured a hand with some interesting play variations as well as a bidding decision.
I
I held the south hand and had to decide how to continue after a the auction above (1D was precision, so could be short). I decided to compromse with 3S and was soon in 4S on these cards.
The heart 10 was led to the 5 and my queen. The spade king lost to RHO's ace and the heart 4 came back. While this could be a tricky play with RHO having the heart K, it seemed far more likely it was a normal play from an original holding of 54 doubleton of hearts. So I won the ace, drew trumps, and was able to lead the club jack, then a club to the king. RHO won the second club, but had to lead a club or a diamond from the ace to give me the club winner in dummy and 10 tricks.
The heart lead was of course lucky, but an indirect help of the nebulous 1d opening. The entire hand was:
If we had played 3N instead, we would likely fail on a diamond lead. First, declarer might duck in dummy hoping the lead was from JT of diamond. Even after going up king and playing spades, East can hold up in spades, and West can signal for hearts. a heart shift then gives the defense 6 tricks.
Even after a club lead, a diamond shift (after winning the spade ace) still gives the defense 5 tricks eventually. Making 3N was good for a swing and enough for us to win the match, but not the event (that went away in the prior match when we beat the eventual winners narrowly).