[Event "Ch Bulgaria"] [Site "masterchessopen.com Sofia (Bulgaria)"] [Date "1973.02.04"] [Round "4"] [White "Babev Aleksandar (BUL)"] [Black "Radev Nikolai (BUL)"] [Result "0-1"] [WhiteElo "2315"] [BlackElo "2304"] [ECO "E73"] [Opening "King's Indian: 5.Be2 O-O"] 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 h6 7.Be3 c5 8.d5 e6 9.h3 exd5 10.exd5 Na6 11.Nf3 Re8 12.Bd3 Nc7 13.a4 Na6 14.Rc1 Nb4 15.Bb1 Bf5 16.O-O Bxb1 17.Rxb1 Ne4 18.Nxe4 Rxe4 19.b3 Qf6 20.Re1 Rae8 21.Nd2 R4e7 22.Nf1 Qf5 23.Ng3 Qc2 24.Qd2 Bd4 25.Bxh6 Rxe1+ 26.Rxe1 Bxf2+ 27.Qxf2 Qxf2+ 28.Kxf2 Nd3+ 29.Kf3 Nxe1+ 30.Kf2 f5 {#R} 0-1