Chanphakeo, William
Current rating: 1507
Record: 11-12
| Grand Prix Toronto 2019 (modern) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 306 | Fortier, Thomas (1498) | Lost 0-2 | -181508 |
| 2modern | 375 | Hume, Evan (1482) | Won 2-1 | +171525 |
| 3modern | 486 | DeHaan, Joshua (1463) | Won 2-1 | +171542 |
| 4modern | 392 | See, Samuel (1510) | Lost 0-2 | -191523 |
| 5modern | 354 | Clarke, Davies (1615) | Lost 0-2 | -161507 |
| top | average opponent: 1513record: 2-3 | new rating: 1507 | ||
| Grand Prix Toronto 2015 (DTK standard) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 295 | Kiss, Roland (1551) | Won 2-0 | +201491 |
| 3standard | 66 | Bu-Mansour, Chad (1570) | Won 2-0 | +191510 |
| 4standard | 130 | Huska, Andrew (1870) | Lost 0-2 | -111499 |
| 5standard | 196 | Madden, Gregory (1584) | Won 2-1 | +191518 |
| 6standard | 93 | Victor, Adam (1586) | Won 2-0 | +191537 |
| 7standard | 94 | Champagne, Jeff (1629) | Lost 0-2 | -161521 |
| 8standard | 180 | Proano, Gina (1697) | Won 2-0 | +211542 |
| 9standard | 82 | Giles, Michael (1642) | Lost 0-2 | -161526 |
| top | average opponent: 1641record: 5-3 | new rating: 1526 | ||
| Grand Prix Toronto 2013 (THS limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 549 | Lalonde, Christopher (1519) | Lost 0-2 | -171447 |
| 3sealed | 444 | Ing, Jeff (1501) | Won 2-0 | +191466 |
| 4sealed | 333 | Broe, Greg (1633) | Won 2-1 | +211487 |
| 5sealed | 239 | Everingham, Scott (1489) | Lost 0-2 | -181469 |
| 6sealed | 281 | Darragh, Joshua (1572) | Won 2-0 | +201489 |
| 7sealed | 317 | Stacey, Mike M (1521) | Lost 0-2 | -181471 |
| top | average opponent: 1539record: 3-3 | new rating: 1471 | ||
| Grand Prix Toronto 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 81 | Houle, Rob (1500) | Lost 1-2 | -181482 |
| 2modern | 361 | Keung, Caleb (1483) | Lost 0-2 | -181464 |
| 3modern | 440 | Lemire, Christopher (1464) | Won 2-1 | +181482 |
| 4modern | 451 | Farara, Kasey (1481) | Lost 0-2 | -181464 |
| top | average opponent: 1482record: 1-3 | new rating: 1464 | ||