[Event "Panchenko Mem Open A 2021"]
[Site "Chelyabinsk RUS"]
[Date "2021.09.13"]
[Round "1.8"]
[White "Petrov, N"]
[Black "Efremov, Vladislav"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2555"]
[BlackElo "2279"]
[ECO "B30"]
[Opening "Sicilian Defense: Nyezhmetdinov-Rossolimo Attack"]
[PlyCount "147"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 Nf6 4.Nc3 Qc7 5.O-O Nd4 6.Re1 a6 7.Bf1 e6 8.e5 Ng8 9.Ne4 Nxf3+ 10.Qxf3 Qxe5 11.d4 cxd4 12.Bf4 Qa5 13.Nd6+ Bxd6 14.Bxd6 Ne7 15.Bd3 Qg5 16.a4 f5 17.a5 O-O 18.Qg3 Qf6 19.Be5 Qf7 20.Bxd4 d5 21.Bc5 Re8 22.c4 dxc4 23.Bxc4 Bd7 24.Qc7 Nd5 25.Qxb7 Reb8 26.Bxd5 exd5 27.Qc7 Re8 28.Bd4 Bb5 29.Qc3 Rac8 30.Qd2 Rxe1+ 31.Rxe1 Re8 32.Be5 h6 33.h3 Rc8 34.Bc3 Re8 35.Be5 Rc8 36.Qf4 Rc4 37.Bd4 Qa7 38.Rd1 Qf7 39.Qe5 Rc8 40.Bc3 Rd8 41.Qd4 Kh7 42.Qb6 Qd7 43.Be5 Re8 44.Qd4 Qe7 45.Re1 Bc4 46.Re3 Qf7 47.Rg3 Rg8 48.Rc3 Re8 49.Rg3 Rg8 50.Kh2 Bb5 51.Qb6 Qe8 52.Qd6 Qf7 53.Bd4 Bc4 54.Qe5 Qf6 55.Qf4 Qf7 56.Qd6 Bb5 57.b3 Bf1 58.Kg1 Bb5 59.Qe5 Bd7 60.Qc7 Be8 61.Qd6 Bb5 62.Rc3 Qd7 63.Qg3 Bc6 64.b4 Rc8 65.b5 axb5 66.a6 b4 67.Rb3 Qe7 68.Rxb4 f4 69.Qd3+ Kg8 70.Rb6 Be8 71.Rb7 Rc7 72.Qb1 Bc6 73.Rb8+ Be8 74.a7 1-0