Male
FIDE ID:
Alexander Onischuk
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| ch-USA Seniors TB 2026 | 07/24/2026 | 2596 |  United States |
| ch-USA Seniors 2026 | 07/14/2026 | 2481 | United States |
| World Rapid Championship 2024 | 12/26/2024 | 2543 | United States |
| 13th World Teams Pool B | 11/20/2022 | 2627 |  Israel |
Most Played Openings as White
| ECO | Opening | Games |
| E92 | King's Indian, classical variation | 30 games |
| D45 | Queen's Gambit Declined semi-Slav, 5.e3 | 24 games |
| D85 | Gruenfeld, exchange variation | 24 games |
| E32 | Nimzo-Indian, classical variation | 23 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C78 | Ruy Lopez, 5.O-O | 73 games |
| C88 | Ruy Lopez, closed | 35 games |
| D37 | Queen's Gambit Declined, 4.Nf3 | 29 games |
| C45 | Scotch game | 26 games |
