Sergei Appolonov
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| RUS-Cup02 | 01/21/1998 | 2058 | Russian Federation |
| Moscow-ch op | ??/??/1998 | 2067 | Russian Federation |
| RUS-chT | ??/??/1993 | 1009 | Russian Federation |
| Wisla BES op | ??/??/1992 | 1917 | Poland |
Most Played Openings as White
| ECO | Opening | Games |
| A34 | English, symmetrical variation | 1 games |
| D36 | Queen's Gambit Declined, exchange, positional line, 6.Qc2 | 1 games |
| E15 | Queen's Indian, 4.g3 | 1 games |
| A10 | English opening | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B38 | Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3 | 2 games |
| E15 | Queen's Indian, 4.g3 | 2 games |
| B31 | Sicilian, Nyezhmetdinov-Rossolimo attack (with ...g6, without ...d6) | 1 games |
| E16 | Queen's Indian, Capablanca variation | 1 games |


Russian Federation
Poland