[Event "Ch Bulgaria"] [Site "masterchessopen.com - Plovdiv (Bulgaria)"] [Date "1969.02.03"] [Round "3"] [White "Kozarov Petar (BUL)"] [Black "Orev Petar (BUL)"] [Result "0-1"] [WhiteElo "2350"] [BlackElo "2204"] [ECO "A36"] [Opening "English: Symmetrical, 3.g3"] 1.c4 c5 2.Nc3 Nc6 3.g3 a6 4.a3 Rb8 5.Rb1 b5 6.cxb5 axb5 7.b4 cxb4 8.axb4 e6 9.e4 Bxb4 10.Nxb5 Qa5 11.Qh5 Nf6 12.Qg5 O-O 13.Bb2 e5 14.Ra1 Qb6 15.f3 h6 {#R} 0-1