Test your chess: daily chess puzzle # 191

Black to play and win

NJ De Jong v D Morschel 1967

Solution

1…Re3+ is good enough, but 1…Rb3! is clearly better, giving white's queen the additional function of protecting the Ra1. 2 ab (2 cb Re3+ and mate next move) Qc3+:

and it is gruesome. 3 Qd2+ and, again, rather than the easy, winning, 3…Qa1+, first 3…Re3+ is mean.

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