The Ridiculous Ruy Lopez Opening: Marshall Attack, Modern, Main Line, Spassky Variation - Chess Forums

This is perhaps the longest variation of opening theory I've ever seen. It's called "Ruy Lopez Opening: Marshall Attack, Modern, Main Line, Spassky Variation" and only occurs after 19 moves.

Ruy Lopez, Marshall Attack Chess Openings Explained

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Longest Chess Opening (Ruy López Opening: Marshall Attack, Modern, Main Line, Spassky Variation)

Ruy López Opening: Marshall Attack, Modern, Main Line, Spassky Variation : r/AnarchyChess

Chess Openings Ruy Lopez Marshall Gambit

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