Theodor Keizer
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Groningen op-A | 12/21/2004 | 1244 | Netherlands |
| Vlissingen HZ op | 08/02/2003 | 1213 | Netherlands |
| Vlissingen HZ op 7th | 08/02/2003 | 1213 | Netherlands |
| Groningen Harmonie op-B | 12/21/2002 | 1639 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| A08 | Reti, King's Indian attack | 2 games |
| D05 | Queen's pawn game | 2 games |
| D27 | Queen's Gambit Accepted, classical, 6...a6 | 2 games |
| C77 | Ruy Lopez, Morphy defence | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B05 | Alekhine's defence, modern variation, 4...Bg4 | 6 games |
| B02 | Alekhine's defence | 5 games |
| B07 | Pirc defence | 4 games |
| B04 | Alekhine's defence, modern variation | 3 games |


Netherlands