Tom, Winston
Current rating: 1425
Record: 14-18
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 271 | Vanderkraay, Nico (1500) | Lost 0-2 | -171463 |
| 2sealed | 363 | Demers, Mark (1483) | Lost 0-2 | -181445 |
| 3sealed | 582 | Couture, Dan (1530) | Lost 0-2 | -161429 |
| 4sealed | 643 | Filimonow, Jamie (1289) | Lost 1-2 | -211408 |
| 5sealed | 591 | Kruse, Deric (1428) | Lost 1-2 | -181390 |
| 6sealed | 534 | Iura, Satoshi (1344) | Won 2-0 | +181408 |
| 7sealed | 471 | Sooknanan, Tyler (1428) | Won 2-0 | +181426 |
| 8sealed | 399 | Wagenhoffer, Malcolm (1348) | Won 2-0 | +171443 |
| 9sealed | 326 | Osborne, Ryan (1470) | Lost 0-2 | -181425 |
| top | average opponent: 1424record: 3-6 | new rating: 1425 | ||
| Grand Prix Montreal 2015 (DTK limited) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 73 | Rodrigue Poulin, Marc (1500) | Lost 1-2 | -181478 |
| 2sealed | 391 | Cantin, Etienne (1482) | Won 2-1 | +181496 |
| 3sealed | 270 | Luneau, Anthony (1442) | Won 2-1 | +171513 |
| 4sealed | 341 | Bradford, Harry (1699) | Lost 0-2 | -151498 |
| 5sealed | 270 | Dorey, Andrew (1507) | Lost 1-2 | -181480 |
| top | average opponent: 1526record: 2-3 | new rating: 1480 | ||
| Grand Prix Toronto 2015 (DTK standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 7 | Scott, Andrew [CAN] (1500) | Won 2-0 | +181534 |
| 2standard | 119 | Hintermeister, Jason (1499) | Won 2-1 | +181552 |
| 3standard | 42 | Henderson, Steve (1535) | Lost 0-2 | -191533 |
| 4standard | 274 | Mitchell, Zane (1591) | Lost 1-2 | -171516 |
| 5standard | 516 | Mackie, Daniel (1503) | Lost 1-2 | -181498 |
| 6standard | 476 | Scott, Bradden (1464) | Won 2-0 | +171515 |
| 7standard | 401 | Cavaliere, Vincent (1348) | Won 2-0 | +151530 |
| 8standard | 244 | Clock, Kevin (1634) | Lost 1-2 | -161514 |
| 9standard | 237 | McCowell, Cody (1484) | Lost 0-2 | -181496 |
| top | average opponent: 1506record: 4-5 | new rating: 1496 | ||
| Grand Prix Toronto 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 478 | Williams, Gabriel (1500) | Lost 0-2 | -181482 |
| 2sealed | 538 | Wherrett, Alexander (1482) | Won 2-0 | +181500 |
| 3sealed | 355 | Emms, Brandon (1492) | Lost 1-2 | -181482 |
| 4sealed | 580 | Bussa, Donald (1430) | Lost 1-2 | -191463 |
| 5sealed | 555 | Kraemer, Daniel (1465) | Won 2-1 | +181481 |
| 6sealed | 439 | Zhou, John (1481) | Won 2-1 | +181499 |
| 7sealed | 362 | Barreiro, Thomas (1508) | Won 2-0 | +181517 |
| 8sealed | 247 | Leduc, Sacha (1483) | Won 2-0 | +171534 |
| 9sealed | 162 | Desjardins, Ivan (1532) | Lost 0-2 | -181516 |
| top | average opponent: 1486record: 5-4 | new rating: 1516 | ||