CJ. Dubbeldam
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Vlissingen HZ op 4th | 07/29/2000 | 887 |  Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| A29 | English, four knights, kingside fianchetto | 1 games |
| D13 | Queen's Gambit Declined Slav, exchange variation | 1 games |
| A36 | English, symmetrical variation | 1 games |
| A24 | English, Bremen system with ...g6 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |
| D13 | Queen's Gambit Declined Slav, exchange variation | 1 games |
| D03 | Torre attack (Tartakower variation) | 1 games |
| D44 | Queen's Gambit Declined semi-Slav, 5.Bg5 dc | 1 games |
