It’s Your Move: daily chess puzzle # 93

Black to play and win

Santa Cruz v Uhlmann, Havana 1964

Solution

Very similar to Puzzle number 90, the alignment of the Qa4 and LPDO Qg4 are the key to the combination- Purdy's jump-biff motif again.

1…d3! and if 2 cd Rb2+, and the R can't be taken, else 3 …c3+ discovers an attack on the LPDO. If 2 c3 then 2…Qc2+ and 3…Qb2 mate.

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