Test your chess: daily chess puzzle # 104

Black to play and win

A Memmel v I Peenz 1985

Solution

A nice calculation exercise today. The first move, 1…Ne4!, is obvious, and, even if it weren't , would need to be looked at because of examine all biffs.

White must take the queen, after which 2..Bb4+ 3 Ke2 Rf2+ 4 Ke3[], but is it mate?

A quick further piece of calculation proves it is: 4…Bc5+ 5 Ke4[] Rf4+ 6 Ke5[] Bd6, a sort of staircase mate with rook and bishop.

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