The chess world has witnessed a curious paradox in recent years. While opening theory explodes in complexity across the Sicilian, French, and Caro-Kann, the classical 1...e5 has quietly evolved into what FM Or Cohen calls "an island of stability in modern opening theory." This seven-volume project, co-authored with GM Grigor Grigorov, challenges the fashionable notion that Black must sidestep central confrontation with moves like 1...e6 or 1...c6. As GM Jan Gustafsson memorably put it: "I have a hard time believing in moving a pawn one square like 1...e6, 1...c6, 1...g6, etc. The center is there, fight for it!"
Sequence: Bulletproof 1.e4 e5 Repertoire for Black »
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3h and 6min PGN Download Memory Booster Interactive Tests Video Content
We are thrilled to present the first volume of a groundbreaking repertoire series—The Ultimate Bulletproof Repertoire for Black after 1.e4 e5. In this first installment, FM Or Cohen and GM Grigor Grigorov team up to offer a surprising, deeply analyzed, and conceptually sound weapon—the Damiano Defense: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nxe4!?
♟️ While the Damiano has traditionally been seen as dubious, this course demonstrates—with unprecedented depth—that it is a fully playable and highly practical opening in the age of NNUE engines and refined chess understanding. FM Or Cohen has spent nearly two decades perfecting this line, which he considers an alternate Berlin—a reliable system that frustrates 1.e4 players by forcing quiet, technical battles.
Sequence: Bulletproof 1.e4 e5 Repertoire for Black »
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2 hours and 43 mins PGN Download Memory Booster Interactive Tests Video Content