Male
FIDE ID:
Petr Kostenko
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| World Senior Teams +50 | 04/19/2026 | 2306 |  Albania |
| Issykkul Open 2023 | 07/12/2023 | 2251 |  Kyrgyzstan |
| Lozovatsky Mem A 2023 | 01/27/2023 | 2283 |  Russian Federation |
| World Blitz 2022 | 12/29/2022 | 2543 |  Kazakhstan |
Most Played Openings as White
| ECO | Opening | Games |
| A15 | English, 1...Nf6 (Anglo-Indian defense) | 16 games |
| A13 | English opening | 13 games |
| A28 | English, four knights system | 10 games |
| A20 | English opening | 8 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C11 | French defence | 26 games |
| C00 | French defence | 14 games |
| A40 | Queen's pawn | 14 games |
| C07 | French, Tarrasch, open variation | 13 games |
