Male
FIDE ID:
Gustav Brejnik
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 37th Czech Open A 2026 | 07/24/2026 | 2250 |  Czech Republic |
| TCh-CZE 1 Liga Zapad | 10/19/2025 | 2243 | Czech Republic |
| 36th Czech Open A 2025 | 07/25/2025 | 2306 | Czech Republic |
| TCh-CZE 1 Liga Zapad | 10/20/2024 | 2261 | Czech Republic |
Most Played Openings as White
| ECO | Opening | Games |
| E04 | Catalan, open, 5.Nf3 | 4 games |
| E68 | King's Indian, fianchetto, classical variation, 8.e4 | 3 games |
| D10 | Queen's Gambit Declined Slav defence | 3 games |
| A62 | Benoni, fianchetto variation | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B12 | Caro-Kann defence | 6 games |
| B10 | Caro-Kann defence | 4 games |
| B11 | Caro-Kann, two knights, 3...Bg4 | 3 games |
| D02 | Queen's pawn game | 3 games |
