[Event "Olympiad"] [Site "masterchessopen.com – Moscow (Russia)"] [Date "1956.09.11"] [Round "2"] [White "Ivkov Borislav (YUG)"] [Black "Kolarov Atanas S (BUL)"] [Result "1-0"] [WhiteElo "2411"] [BlackElo "2415"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 Bd7 6.d4 Be7 7.O-O Bf6 8.d5 Nce7 9.c4 Ng6 10.Nc3 N8e7 11.Be3 h5 12.Re1 b6 13.b4 a5 14.a3 axb4 15.axb4 O-O 16.c5 bxc5 17.bxc5 dxc5 18.Bxc5 Bxa4 19.Nxa4 Qd7 20.Be3 Rfd8 21.Nc5 Qc8 22.Rc1 c6 23.d6 Qb8 24.d7 Ra7 25.Rb1 Qc7 26.Qb3 Raa8 27.Red1 Nf8 28.Ng5 Bxg5 29.Bxg5 Nfg6 30.Ne6 fxe6 31.Qxe6+ Kf8 32.Rd3 Nf5 33.exf5 Qb6 34.Qd6+ {#r} 1-0