Test your chess: daily chess puzzle # 70

Black to play and win

J Wolpert v CH Van der Meyden 1963

Solution

(From the same game as yesterday's puzzle: white avoided Rf6 in yesterday's position.

The first move is obvious, and it weren't, examine all biffs, 1…Bc3!. Reitstein says that white resigned after the move, and it is fair enough, though maybe he should have let black show the forcing line – 2 Rf1 Rd2 3 Qf3 Bd4! 4 Kh1 Nf1 5 Qf1 Qb1. A long line, but forced.

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