Jacek Orzechowski
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 17th Teplice Open 2024 | 06/15/2024 | 2254 | Czech Republic |
| 34th Czech Open A 2023 | 07/21/2023 | 2259 | Czech Republic |
| TCh-POL 1st League 2018 | 09/01/2018 | 2244 | Poland |
| TCh-POL Ekstraliga 2017 | 05/05/2017 | 2434 | Poland |
Most Played Openings as White
| ECO | Opening | Games |
| A45 | Queen's pawn game | 14 games |
| A26 | English, closed system | 7 games |
| A29 | English, four knights, kingside fianchetto | 6 games |
| E90 | King's Indian, 5.Nf3 | 5 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B00 | King's pawn opening | 6 games |
| E90 | King's Indian, 5.Nf3 | 4 games |
| A12 | English, Caro-Kann defensive system | 4 games |
| C09 | French, Tarrasch, open variation, main line | 4 games |
Poland
Male
FIDE ID:

Czech Republic