W. Zwikker
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NED-ch op | 08/??/1978 | 0 |  Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
Most Played Openings as Black
| ECO | Opening | Games |
| E11 | Bogo-Indian defence | 1 games |
| Name: | W. Zwikker |
| Federation: |  |
| Years: | 1978 - 1978 |
| Total Games: | 1 |
| Wins: | 0 (0 %) |
| Draws: | 0 (0 %) |
| Losses: | 1 (100 %) |
| Score: | 0 % |
Games played by W. Zwikker
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Scheeren, P | Zwikker, W | 1-0  |
41 | E11 | 1978 | NED-ch op |
|