Tonge, Martin
Current rating: 1482
Record: 3-4-1
| Grand Prix Niagara Falls 2019 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 59 | Mcallister, Nathan (1414) | Won 2-1 | +161516 |
| 2legacy | 6 | Arsenault, Jason (1534) | Lost 1-2 | -171499 |
| 3legacy | 255 | Cowley, Nick (1482) | Won 2-1 | +171516 |
| 4legacy | 134 | Fields, Larry (1468) | Lost 1-2 | -181498 |
| 5legacy | 313 | Ramsay, Cameron (1557) | Lost 1-2 | -171481 |
| 6legacy | 339 | Gallagher, Grant (1483) | Lost 0-2 | -181463 |
| 7legacy | 294 | Burton, Frank (1500) | Won 2-0 | +181481 |
| 8legacy | 239 | Klements, Michael (1505) | Draw 1-1 | +11482 |
| average opponent: 1493record: 3-4-1 | new rating: 1482 | |||