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Tournaments played by Jon Yacyk-Martin |
| Date | Name | Old rating | Current rating |
|---|---|---|---|
| 2013-04-21 | 2013 Ontario Chess Challenge | 1320 | 1295 |
| 2013-04-12 | Niagara H.S. Tournament | 1317 | 1320 |
| 2013-03-08 | Team Tournament at Eastdale S.S. | 1249 | 1317 |
| 2012-10-12 | Eastdale Opener Chess Tournament - October 2012 | 1272 | 1249 |
| 2012-04-22 | 2012 Ontario Chess Challenge | 1279 | 1272 |
| 2012-03-20 | DSBN Finals to qualify for Ontario Provincials | 1252 | 1279 |
| 2012-03-02 | E.L. Crossley S.S. Chess Tournament | 1208 | 1252 |
| 2011-12-16 | Team Tournament 2011 | 1194 | 1208 |
| 2011-11-25 | South Lincoln H.S. Chess Tournament | 1159 | 1194 |
| 2011-10-14 | E.L. Crossley Invitational | 1053 | 1159 |
| 2011-04-08 | E.L. Crossley S.S. Chess Tournamant | 1038 | 1053 |
| 2011-02-18 | Eastdale Chess Tournament | 892 | 1038 |
| 2010-11-04 | South Lincoln High School | 0 | 892 |