Related Openings
Ruy Lopez - Closed, Flohr-Zaitsev system (Lenzerheide Variation )	e4, e5, Nf3, Nc6, Bb5, a6, Ba4, Nf6, O-O, Be7, Re1, b5, Bb3, O-O, c3, d6, h3, Bb7
Ruy Lopez - Closed, Ragozin-Petrosian (`Keres') Variation	e4, e5, Nf3, Nc6, Bb5, a6, Ba4, Nf6, O-O, Be7, Re1, b5, Bb3, O-O, c3, d6, h3, Nd7
Ruy Lopez - Closed, Keres (9...a5) Variation	e4, e5, Nf3, Nc6, Bb5, a6, Ba4, Nf6, O-O, Be7, Re1, b5, Bb3, O-O, c3, d6, h3, a5
Ruy Lopez - Closed, 9.h3	e4, e5, Nf3, Nc6, Bb5, a6, Ba4, Nf6, O-O, Be7, Re1, b5, Bb3, O-O, c3, d6, h3