Stockfish
PGN
| Event | World op 20th |
| Site | Philadelphia |
| Date | 1992.??.?? |
| Round | 1 |
| White | Rios Parra, Alejandro |
| Black | Ivanov, Igor V |
| Result | 1/2-1/2 |
| WhiteElo | 2285 |
| BlackElo | 2465 |
| ECO | B82 |
| PlyCount | 113 |
Moves
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 e6 7.Qf3 Qb6 8.Nb3 Nc6 9.Be3 Qc7 10.O-O-O b5 11.Bd3 Bb7 12.Kb1 Be7 13.g4 Nd7 14.Rhg1 Nb4 15.g5 Nc5 16.f5 Nbxd3 17.cxd3 exf5 18.Qxf5 Nxb3 19.axb3 Rc8 20.Rgf1 O-O 21.Rc1 g6 22.Qh3 Qd8 23.Qh6 Rc5 24.Bd4 Re5 25.h4 b4 26.Nd5 Bxd5 27.exd5 Qa5 28.Bxe5 dxe5 29.h5 Qxd5 30.Rcd1 Qxb3 31.hxg6 fxg6 32.Qh3 Rf2 33.Qc8+ Kg7 34.Qc1 Rxf1 35.Rxf1 Qxd3+ 36.Ka1 b3 37.Qe1 Qb5 38.Kb1 Bxg5 39.Qf2 Bf4 40.Qa7+ Kf6 41.Rg1 Qc6 42.Re1 h5 43.Qb8 Qc2+ 44.Ka1 Qc4 45.Qf8+ Qf7 46.Qh8+ Kf5 47.Qc8+ Qe6 48.Qf8+ Qf6 49.Qc8+ Kg5 50.Rg1+ Kh6 51.Qg8 Bh2 52.Rxg6+ Qxg6 53.Qh8+ Kg5 54.Qxe5+ Qf5 55.Qg7+ Qg6 56.Qe5+ Kg4 57.Qf4+ 1/2-1/2
