Test your chess: daily chess puzzle # 138

Black to play and win

D Lewis v W Heidenfeld 1959

Solution

Yet another example (see for instance puzzle 133 of a few days ago) of Purdy's maxim of for a moment, ignore a threat : what would you want to play absent the threat, and if it is powerful, consider if the threat can be ignored.

Here, the threat is 1 Rf8+, but 1…Qc4! is a double attack, on the LPDO Rf1 and LPDO Pa2, both of which are lethal. So 2 Rf8+ Kg7 and white has only spite checks left, so 0-1.

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