White #23 - Saturday, 22.06.2013

C72 Ruy Lopez (Morphy Defense) / Spanisch Spanish Game: Morphy Defense. Modern Steinitz Defense

Paul Keres vs. Franciscus Antonius Kuijpers (1-0)

Moscow, 1963

rn1r2k1/4qppp/2pp1n2/1pPPp3/BP2P3/1N1Q3P/5PP1/R2R2K1 w - b6 0 23