Jonathan Zaczek
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Winnipeg Yanofsky mem | 09/01/2006 | 1752 | Canada |
| Canadian zt | 08/18/2006 | 1929 | Canada |
| Albert Boxer Classic op | 05/26/2006 | 1676 | Canada |
| Winnipeg February Sect-A | 02/10/2006 | 2056 | Canada |
Jonathan Zaczek Opening Repertoire with White pieces
| ECO | Opening | Games |
| C14 | French, classical variation | 7 games |
| B86 | Sicilian, Sozin attack | 6 games |
| C18 | French, Winawer, advance variation | 5 games |
| B88 | Sicilian, Sozin, Leonhardt variation | 4 games |
Jonathan Zaczek Opening Repertoire with Black pieces
| ECO | Opening | Games |
| A36 | English, symmetrical variation | 7 games |
| B92 | Sicilian, Najdorf, Opovcensky variation | 7 games |
| B23 | Sicilian, closed | 5 games |
| B90 | Sicilian, Najdorf | 5 games |


Canada