Conel Hugh O’Donel Alexander vs Ludek Pachman
Hilversum Zonal Hilversum NED round 9 1947.07.25
Ruy Lopez: Closed, Chigorin Defense 1-0

Efim Geller vs Vasily Smyslov
Palma de Mallorca Interzonal Palma de Mallorca ESP round 16 1970.12.01
Ruy Lopez: Closed, Chigorin Defense 1-0

Hugo Suechting vs Milan Vidmar
Prague Prague AUH round 15 1908.06.06
Ruy Lopez: Closed, Chigorin Defense 1/2-1/2

Sarunas Sulskis vs Zahar Efimenko
European Individual Championship Dresden GER round 3 2007.04.05
Ruy Lopez: Closed, Chigorin Defense 0-1