David Krupka
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Toronto op | ??/??/1997 | 2317 | Canada |
| Toronto op | 07/??/1995 | 737 | Canada |
| London CAN op | ??/??/1993 | 196 | Canada |
Most Played Openings as White
| ECO | Opening | Games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 2 games |
| E99 | King's Indian, orthodox, Aronin-Taimanov, main line | 1 games |
| B15 | Caro-Kann defence | 1 games |
| E43 | Nimzo-Indian, Fischer variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A14 | English, Neo-Catalan declined | 1 games |
| B15 | Caro-Kann defence | 1 games |
| D34 | Queen's Gambit Declined, Tarrasch, Prague variation, 7...Be7 | 1 games |
| C81 | Ruy Lopez, open, Howell attack | 1 games |


Canada