Jozef Roszkowski
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| POL-ch | 07/??/1946 | 0 | Poland |
Most Played Openings as White
| ECO | Opening | Games |
| D30 | Queen's gambit declined | 1 games |
| D85 | Gruenfeld, exchange variation | 1 games |
| D75 | Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc3 | 1 games |
| C45 | Scotch game | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D26 | Queen's Gambit Accepted, 4...e6 | 2 games |
| A13 | English opening | 1 games |
| D55 | Queen's Gambit Declined, 6.Nf3 | 1 games |
| D23 | Queen's gambit accepted | 1 games |


Poland