Got this hand from yesterday BBO Robot duplicate IMP game. I passed, same as 50% of other players. The other 50% doubled.
Partner's hand turned out to be
Those who doubled, reached 4♠ contract, making 10 or 11 tricks, whereas I got -4.8 ...
I am quite surprised on the one-sided poll result. Of the 20 votes right now, all voted X, except for one 3D (which is me!).
Got ths hand from BBO Robot Duplicate. Ratio for X : 3D bid is < 2 : 1, hence looks like there is some dfference in bidding style ...