Jan1 Krejci
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| ch-CZE 2026 | 05/08/2026 | 2514 |  Czech Republic |
| TCh-CZE Extraliga 2025-26 | 11/29/2025 | 2424 | Czech Republic |
| Bundesliga 2025-26 | 09/27/2025 | 2541 |  Germany |
| TCh-CZE 1 Liga Vychod | 10/19/2025 | 2246 | Czech Republic |
Most Played Openings as White
| ECO | Opening | Games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 15 games |
| B90 | Sicilian, Najdorf | 15 games |
| D10 | Queen's Gambit Declined Slav defence | 10 games |
| E60 | King's Indian defence | 10 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A46 | Queen's pawn game | 12 games |
| C55 | Two knights defence | 12 games |
| C42 | Petrov's defence | 12 games |
| A15 | English, 1...Nf6 (Anglo-Indian defense) | 10 games |
