Zhou, John
Current rating: 1463
Record: 2-4
| Grand Prix Toronto 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 428 | Melanson, Ryan (1445) | Lost 1-2 | -191481 |
| 2sealed | 542 | Cochrane, Olivier (1483) | Won 2-1 | +181499 |
| 3sealed | 595 | Stone, Jeffrey (1522) | Lost 1-2 | -181481 |
| 4sealed | 528 | Bart, Brian K (1486) | Won 2-1 | +191500 |
| 5sealed | 404 | Allen, Travis (1452) | Lost 1-2 | -191481 |
| 6sealed | 439 | Tom, Winston (1481) | Lost 1-2 | -181463 |
| average opponent: 1478record: 2-4 | new rating: 1463 | |||