Chess Skills: Petroff Defense: Early History

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Publishing: June 2019 Europe, August 2019 US, 9781781945391, $28.95/£18.99, 304 Pages., The Petroff Defence has traditionally been regarded as a

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Chess: What is the Petrov Defense? - Quora

Chess: What is the Petrov Defense? - Quora

Chess Skills: Petroff Defense: Early History

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