Test your chess: daily chess puzzle # 81

Black to play and win

M Bileden v W Heidenfeld 1935

Solution

Reitstein's rubric says that black played 1…Nc5+ and went on to win, but he missed a better move. With that clue, it isn't too hard to examine all biffs and find 1…Re4! when white's best is 2 Ne4 (2 Qe4+ loses the queen to the Nc5+ fork). Then 2…Qb6+ drives the white king forward, since if it goes backwards, 3…Qb2+ is a ruinous check. So, 3 Qc4 Qb2 and 4…b5 mate or similar follows.

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