Doubrough, Sean R
Current rating: 1542
Record: 5-3
| Grand Prix Montreal 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 190 | Harvey, Yanick (1500) | Won 2-0 | +181518 |
| 2block | 64 | Buffett, Nick (1518) | Won 2-0 | +181536 |
| 3block | 41 | Lacroix, Mike (1526) | Lost 0-2 | -181518 |
| 4block | 160 | Teibert, Scott (1517) | Won 2-1 | +181536 |
| 5block | 140 | Ruggiero, Pasquale (1706) | Won 2-1 | +211557 |
| 6block | 67 | Newberger, Justin (1601) | Won 2-1 | +191576 |
| 7block | 60 | Watanabe, Yuuya (1715) | Lost 1-2 | -161560 |
| 8block | 89 | Kasih Ruiz, Jorge Luis (1558) | Lost 0-0 | -181542 |
| average opponent: 1580record: 5-3 | new rating: 1542 | |||