Our precision 2♣ auction led to West declaring 6♠ with an opening lead of ♦A followed by a second ♦.
Q1 If neither black suit is 4-1 the play line is trivial, but what is the best line of play to guard against a 4-1 break in either, or both, black suits?
If the second diamond had not been played the additional entry might have allowed 2 heart ruffs in the east hand.
Is there a best route toward 12 tricks?
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