John Wierda
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Winnipeg TNT January op | 01/09/2007 | 1666 | Canada |
| Winnipeg TNT May op | 05/02/2006 | 1572 | Canada |
| Winnipeg TNT April op | 04/04/2006 | 1608 | Canada |
| Winnipeg TNT March op | 03/07/2006 | 1574 | Canada |
Most Played Openings as White
| ECO | Opening | Games |
| B22 | Sicilian, Alapin's variation (2.c3) | 6 games |
| C02 | French, advance variation | 3 games |
| A24 | English, Bremen system with ...g6 | 2 games |
| A04 | Reti opening | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C02 | French, advance variation | 4 games |
| C18 | French, Winawer, advance variation | 2 games |
| C06 | French, Tarrasch, closed variation, main line | 2 games |
| E38 | Nimzo-Indian, classical, 4...c5 | 1 games |


Canada