White #30 - Friday, 11.06.2010

C97 Ruy Lopez (Closed, Chigorin) / Spanisch Spanish Game: Closed Variations. Chigorin Defense

Juergen Dueball vs. Erno Gereben (1-0)

Olympiad, 1972

2r3k1/1q1n1ppp/p2p1b2/1p6/1P4B1/P3Q2P/3B1PP1/4R1K1 w - - 0 30