[Event "Ch URS"] [Site "masterchessopen.com – Leningrad (Russia)"] [Round "0"] [White "Korchnoi Viktor (SUI)"] [Black "Estrin Yakov B (RUS)"] [Result "0-1"] [WhiteElo "2556"] [BlackElo "2450"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 d6 7.Ng5 d5 8.exd5 Nd4 9.Re1 Bc5 10.Rxe5+ Kf8 11.Nc3 Ng4 12.Nge4 Qh4 13.Rh5 Qxh5 14.h3 Qh4 15.Nxc5 Qxf2+ 16.Kh1 Qg3 17.hxg4 Bxg4 18.Qf1 Nf3 19.gxf3 Bxf3+ 20.Qxf3 Qxf3+ 21.Kg1 Re8 {#R} 0-1