Jan Foltys
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Marianske Lazne zt | ??/??/1951 | 0 | |
| Amsterdam | ??/??/1950 | 0 | Netherlands |
| CSR-BUL | ??/??/1950 | 0 | |
| Przepiorka mem | 06/18/1950 | 0 | Poland |
Jan Foltys Opening Repertoire with White pieces
| ECO | Opening | Games |
| B73 | Sicilian, dragon, classical, 8.O-O | 6 games |
| B11 | Caro-Kann, two knights, 3...Bg4 | 5 games |
| C84 | Ruy Lopez, closed defence | 5 games |
| D61 | Queen's Gambit Declined, Orthodox defence, Rubinstein variation | 5 games |
Jan Foltys Opening Repertoire with Black pieces
| ECO | Opening | Games |
| D22 | Queen's Gambit Accepted, Alekhine defence | 11 games |
| C13 | French, classical | 11 games |
| D45 | Queen's Gambit Declined semi-Slav, 5.e3 | 9 games |
| D55 | Queen's Gambit Declined, 6.Nf3 | 7 games |


Netherlands
Poland