Duberil, Graham
Current rating: 1519
Record: 5-4
| Grand Prix Toronto 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 334 | Monica, Jacob (1500) | Won 2-0 | +181518 |
| 2sealed | 93 | Schmidt, David P (1500) | Won 2-0 | +181536 |
| 3sealed | 28 | Butterworth, Callum (1536) | Won 2-0 | +181554 |
| 4sealed | 109 | Danylyshen, Nicholas (1694) | Lost 0-2 | -161538 |
| 5sealed | 67 | Kim, Jason (1536) | Won 2-0 | +181556 |
| 6sealed | 504 | Robidoux, Marc-Andre (1516) | Lost 0-2 | -191537 |
| 7sealed | 221 | Messenger-Lehmann, Tyler (1539) | Won 2-1 | +181555 |
| 8sealed | 127 | Omar-Bujak, Hakim (1387) | Lost 0-2 | -211534 |
| 9sealed | 163 | Hum, Barry (1677) | Lost 1-2 | -151519 |
| average opponent: 1543record: 5-4 | new rating: 1519 | |||