Test your chess: Reitstein problem 221


Black to play and win

A good exercise: try to solve this puzzle on the presumption that white is an engine, and will put up the best defence.

V Huang v M Levitt 1981

I put the rubric up, since 1…Rb2! is pretty obvious, but with the pieces tangled up, it isn’t too easy to see all the lines. Had it been blitz, it would be easy: Rb2, see what happens, if 2 Kb2 Qc3+, see what happens. But classical chess is harder.

Having said that, it isn’t much harder in the present case, since black is a piece down, and has to go ‘all in’.

So, 1…Rb2! 2 Kb2 Qc3+ 3 Kc1 d5 and 4…Ba3+; 3 Kb1

3…Rb8+ 4 Bb3 (this is the line Reitstein gives as his main variation) 4..ab 5 Nb3 Rb3+ 6 Kc1 Ra3 ‘and wins’.

Alas, there is something wrong with this line. Instead of…

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