Crunkleton, John
Current rating: 1516
Record: 6-5
| Grand Prix Toronto 2006 (DIS limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 143 | Foster, Ethan (1475) | Won 2-1 | +171551 |
| 2sealed | 63 | Morris, Arthur (1386) | Lost 0-2 | -211530 |
| 3sealed | 108 | Krakower, Gary (1732) | Lost 0-2 | -141516 |
| average opponent: 1531record: 1-2 | new rating: 1516 | |||
| Grand Prix Detroit 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 43 | Lucas, Jason (1500) | Lost 1-2 | -181482 |
| 2sealed | 148 | Willoughby, Lawrence (1482) | Won 2-0 | +181500 |
| 3sealed | 95 | Gillis, Daniel (1452) | Lost 1-2 | -191481 |
| 4sealed | 203 | Slade, Samuel (1481) | Won 2-1 | +181499 |
| 5sealed | 166 | Dos Remedios, Aaron (1499) | Won 2-0 | +181517 |
| 6sealed | 80 | Duncker, Conrad (1472) | Lost 1-2 | -191498 |
| 7sealed | 115 | Melancon, Micah (1500) | Won 2-0 | +181516 |
| 8sealed | 83 | Krickow, Ryan (1504) | Won 2-0 | +181534 |
| average opponent: 1486record: 5-3 | new rating: 1534 | |||