Stockfish
PGN
| Event | Titled Tue 28th Jul 2026 |
| Site | chess.com INT |
| Date | 2026.07.28 |
| Round | 4 |
| White | CM Derr, Oleg |
| Black | FM Efimov, Leonid |
| Result | 1-0 |
| WhiteElo | 2152 |
| BlackElo | 2331 |
| ECO | A01 |
| Opening | Nimzo-Larsen Attack: English Variation |
| PlyCount | 127 |
Moves
1.b3 c5 2.Bb2 Nc6 3.Nf3 d5 4.e3 a6 5.c4 d4 6.exd4 cxd4 7.d3 e5 8.Nbd2 f5 9.g3 Nf6 10.Bg2 Bd6 11.O-O O-O 12.a3 a5 13.Rc1 Nd7 14.c5 Bxc5 15.b4 axb4 16.axb4 Nxb4 17.Qb3+ Kh8 18.Nxe5 Nxe5 19.Rxc5 Nexd3 20.Rb5 Qe7 21.Ba3 Rxa3 22.Qxa3 h6 23.Nb3 f4 24.Nxd4 fxg3 25.hxg3 Re8 26.Rb1 Qf6 27.Nf3 Bg4 28.R5xb4 Nxb4 29.Rxb4 Bxf3 30.Qxf3 Re1+ 31.Kh2 Qe5 32.Rxb7 h5 33.Rd7 Kh7 34.Rd5 Qe6 35.Rxh5+ Kg6 36.Rh4 Re5 37.Bh3 Qa2 38.Rg4+ Rg5 39.Rxg5+ Kxg5 40.Qf5+ Kh6 41.Qf4+ Kh7 42.Bf5+ g6 43.Be4 Qe6 44.g4 Kg7 45.Kg3 Qe7 46.f3 Qe6 47.Bd3 Qe7 48.Qd4+ Kh7 49.Qe4 Qf7 50.f4 Kg7 51.f5 Qc7+ 52.Qf4 Qc3 53.Qe3 Qc7+ 54.Kf3 Qc3 55.Qe7+ Kh6 56.Qh4+ Kg7 57.f6+ Kf8 58.Kg3 Qe5+ 59.Kg2 Qe3 60.Qf2 Qd2 61.Kh3 Qxd3+ 62.Qf3 Kf7 63.Qxd3 Kxf6 64.Qd4+ 1-0
