[Event "Ch Bulgaria"] [Site "masterchessopen.com – Sofia (Bulgaria)"] [Date "1971.02.21"] [Round "17"] [White "Pipkov Lubomir (BUL)"] [Black "Radev Nikolai (BUL)"] [Result "0-1"] [WhiteElo "2310"] [BlackElo "2360"] [ECO "E70"] [Opening "King's Indian: 4.e4 d6"] 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 b6 7.Bd3 Bb7 8.Nge2 c5 9.d5 e6 10.O-O exd5 11.cxd5 a6 12.a4 Nbd7 13.Rb1 Ne5 14.b4 Nfd7 15.Qd2 Re8 16.Bf2 Nxd3 17.Qxd3 Ne5 18.Qd2 Bc8 19.h3 f5 20.bxc5 bxc5 21.Ng3 f4 22.Qxf4 Rf8 23.Qe3 Bxh3 24.Nge2 Bxg2 25.Kxg2 Rxf3 26.Qxf3 Nxf3 27.Kxf3 Bxc3 {#R} 0-1