Related Openings
Ruy Lopez - Closed Berlin defense, Chigorin Variation	e4, e5, Nf3, Nc6, Bb5, Nf6, O-O, d6, d4, Nd7
Ruy Lopez - Closed Berlin defense, Wolf Variation	e4, e5, Nf3, Nc6, Bb5, Nf6, O-O, d6, d4, Bd7, Nc3, exd4
Ruy Lopez - Closed Berlin defense, Showalter Variation	e4, e5, Nf3, Nc6, Bb5, Nf6, O-O, d6, d4, Bd7, Nc3, Be7, Bxc6
Ruy Lopez - Closed Berlin defense, Bernstein Variation	e4, e5, Nf3, Nc6, Bb5, Nf6, O-O, d6, d4, Bd7, Nc3, Be7, Bg5
Ruy Lopez - Berlin defense, Tarrasch trap	e4, e5, Nf3, Nc6, Bb5, Nf6, O-O, d6, d4, Bd7, Nc3, Be7, Re1, O-O
Ruy Lopez - Berlin defense, 4.O-O, d6	e4, e5, Nf3, Nc6, Bb5, Nf6, O-O, d6