Mak, Kenny
Current rating: 1467
Record: 4-6
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 199 | Dionne, David (1500) | Lost 0-2 | -181484 |
| 2sealed | 588 | BROOKS, JAMES (1483) | Lost 1-2 | -181466 |
| 3sealed | 757 | Hayes, Ryan D (1487) | Lost 0-2 | -181448 |
| 4sealed | 820 | Depaolis-Feingol, Nick (1451) | Won 2-0 | +191467 |
| average opponent: 1480record: 1-3 | new rating: 1467 | |||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 553 | Babb, Joshua (1500) | Won 2-0 | +181518 |
| 2sealed | 494 | Mcgladrigan, Conor (1518) | Won 2-1 | +181536 |
| 3sealed | 484 | Onusic, Justin (1540) | Lost 0-2 | -181518 |
| 4sealed | 587 | Sandler, Josh (1631) | Lost 1-2 | -161502 |
| 5sealed | 636 | Cushman, Scott (1500) | Won 2-1 | +181520 |
| 6sealed | 557 | Hammer, Terrence (1524) | Lost 1-2 | -181502 |
| average opponent: 1536record: 3-3 | new rating: 1502 | |||