Jan Krotki
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| US op | ??/??/1970 | 0 | United States |
| Wch U20 fin-B | ??/??/1969 | 0 | Sweden |
| Wch U20 prel-D | ??/??/1969 | 0 | Sweden |
| CAN-ch U18 playoff | ??/??/1969 | 0 | Canada |
Most Played Openings as White
| ECO | Opening | Games |
| A00 | Polish (Sokolsky) opening | 4 games |
| B24 | Sicilian, closed | 1 games |
| B25 | Sicilian, closed | 1 games |
| A15 | English, 1...Nf6 (Anglo-Indian defense) | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A54 | Old Indian, Ukrainian variation | 2 games |
| A53 | Old Indian defence | 1 games |
| C05 | French, Tarrasch, closed variation | 1 games |
| B56 | Sicilian | 1 games |


United States
Sweden
Canada