Paul Keres and Yakov Estrin: Debate on a Falkbeer Countergambit Variation
Paul Keres and Yakov Estrin:
A Debate on a Falkbeer Countergambit Variation… lecture given 18 June 2015
Paul Keres and Yakov Estrin:
A Debate on a Falkbeer Countergambit Variation… lecture given 18 June 2015
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