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How to Beat the Petrov with the Cochrane Gambit - Chess Lecture - Volume 134 by GM Jesse Kraai and GM Bryan Smith$19.95
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E-DVD How to Beat the Petrov with the Cochrane Gambit - Chess Lecture - Volume 134 by GM Jesse Kraai and GM Bryan Smith$14.95
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Lemos Deep Dive - #9 - The Petroff Defense - GM Damian Lemos - Over 8 Hours of Content! The Petroff Defense - GM Damian Lemos$59.95