[Event "Ch Bulgaria"] [Site "masterchessopen.com Sofia (Bulgaria)"] [Date "1963.03.23"] [Round "17"] [White "Nejkirch Oleg"] [Black "Popov Luben (BUL)"] [Result "0-1"] [BlackElo "2317"] [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.f4 c5 7.Nf3 cxd4 8.Nxd4 Nc6 9.Be3 Bg4 10.Bxg4 Nxg4 11.Qxg4 Nxd4 12.Qd1 Ne6 13.Rc1 Rc8 14.Qe2 Nc5 15.Bf2 Bh6 16.Bg3 Bg7 17.Bf2 Bh6 18.Bxc5 Rxc5 19.O-O e5 20.Nd5 exf4 21.Rcd1 Re8 22.Qd3 b6 23.b3 Qg5 24.b4 Rcc8 25.Rxf4 Rf8 26.Rdf1 Bg7 27.Qf3 f5 28.exf5 gxf5 29.h4 Qd8 30.g3 Kh8 31.Qd3 Be5 32.Rxf5 Rg8 33.Rg5 Rxg5 34.hxg5 Qxg5 35.Rf7 Qh5 36.Qf1 Rg8 37.Rf8 Qg5 38.Rxg8+ Kxg8 39.Kh1 Bxg3 40.Qf3 Be5 41.Ne3 Kg7 42.c5 bxc5 43.bxc5 Qh6+ 44.Kg2 Qg6+ 45.Kh3 dxc5 46.Nf5+ Kh8 47.Qa8+ Qg8 48.Qe4 Bf6 49.Qc6 Qf8 50.Qe6 Bb2 51.a4 a5 52.Qd7 Bf6 53.Qe6 Bb2 54.Qd7 Ba1 55.Qe6 Bf6 56.Qc6 Ba1 57.Kg4 Be5 58.Qd7 c4 59.Kf3 Bf6 60.Ke2 Qg8 61.Ne3 c3 62.Qf5 Qd8 63.Nd5 Bg7 64.Kd3 h6 65.Kc2 Qb8 66.Kd1 Qb3+ 67.Ke1 Qc4 68.Nf4 Qb4 69.Qc8+ Bf8 70.Nd5 Qe4+ 71.Kf2 Qxd5 72.Qxf8+ Kh7 73.Qe7+ Kg6 74.Qc7 {#R} 0-1