Winter, John
Current rating: 1482
Record: 12-13-1
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 15 | Fay, Sarah (1500) | Won 2-0 | +181497 |
| 2sealed | 242 | Cook, Matthew [CAN] (1518) | Lost 0-2 | -181479 |
| 3sealed | 395 | Richmond, Jay (1501) | Draw 1-1 | +11480 |
| 4sealed | 441 | Leonidou, Andrew (1498) | Won 2-0 | +181498 |
| 5sealed | 288 | Yang, Bryant (1518) | Lost 1-2 | -171481 |
| 6sealed | 401 | Smith, Peter (1550) | Won 2-0 | +191500 |
| 7sealed | 281 | Pielecki, Karol (1485) | Lost 0-2 | -181482 |
| top | average opponent: 1510record: 3-3-1 | new rating: 1482 | ||
| Grand Prix Montreal 2015 (DTK limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 64 | Durocher, Vincent (1424) | Lost 1-2 | -191480 |
| 2sealed | 297 | Bourgoin, Zakari (1484) | Lost 1-2 | -181462 |
| 3sealed | 502 | Boulet, Felix (1462) | Won 2-0 | +181480 |
| 4sealed | 443 | Drouin, Vincent (1486) | Won 2-0 | +181498 |
| 5sealed | 356 | Matteau, Jean-Philippe (1484) | Won 2-1 | +181516 |
| 6sealed | 246 | LeBlanc, Bobby (1465) | Lost 1-2 | -191497 |
| 7sealed | 292 | Stadnyk, Kevin (1491) | Lost 0-2 | -181479 |
| top | average opponent: 1471record: 3-4 | new rating: 1479 | ||
| Grand Prix Toronto 2013 (THS limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 485 | Rasmussen, Neil K (1471) | Lost 1-2 | -191501 |
| 2sealed | 442 | Giavedoni, Dylan (1482) | Won 2-1 | +181519 |
| 3sealed | 373 | Burningham, Kris (1546) | Lost 0-2 | -181501 |
| 4sealed | 620 | Yang, Wilson (1482) | Won 2-0 | +181519 |
| 5sealed | 516 | Xing, Paul (1414) | Lost 1-2 | -201499 |
| top | average opponent: 1479record: 2-3 | new rating: 1499 | ||
| Grand Prix Toronto 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 18 | Switzer, Paul (1508) | Won 2-1 | +181518 |
| 2modern | 142 | Dwyer, Mark (1405) | Lost 0-2 | -201498 |
| 3modern | 272 | LaPlante, Ryan (1434) | Lost 0-2 | -191479 |
| 4modern | 442 | Yang, Kim (1484) | Won 2-1 | +181497 |
| 5modern | 328 | Samms, Phil (1801) | Lost 1-2 | -131484 |
| 6modern | 349 | Boschman, Mac (1480) | Won 2-0 | +181502 |
| 7modern | 276 | Coneybeare, Braeden (1499) | Won 2-1 | +181520 |
| top | average opponent: 1516record: 4-3 | new rating: 1520 | ||