Guedj, Colin
Current rating: 1473
| Grand Prix Montreal 2014 (BNG limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 14 | Polyakov, Alexander (1603) | Lost 1-2 | -151431 |
| 2sealed | 469 | Zabatta, Matthew (1485) | Won 2-0 | +191450 |
| 3sealed | 436 | Ross, Tom [CAN] (1500) | Won 2-0 | +191469 |
| 4sealed | 208 | Wong, Matthew (1505) | Won 2-0 | +191488 |
| 5sealed | 530 | Stewart, Kevin (1498) | Lost 0-2 | -181470 |
| 6sealed | 237 | Boudreau, David (1521) | Won 2-0 | +191489 |
| 7sealed | 235 | Proulx, Simon (1584) | Lost 1-2 | -161473 |
| top | average opponent: 1528record: 4-3 | new rating: 1473 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 206 | Syed, James P (1500) | Lost 0-2 | -181483 |
| 2sealed | 253 | Hopkins, Nathan E (1482) | Lost 0-2 | -181465 |
| 3sealed | 331 | Yu, Steve (1446) | Lost 0-2 | -191446 |
| top | average opponent: 1476record: 0-3 | new rating: 1446 | ||
| Grand Prix Indianapolis 2008 (SHM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 297 | Kristoff, Daniel (1500) | Lost 1-2 | -181482 |
| 2sealed | 352 | Plumaj, Simon (1482) | Lost 0-2 | -181464 |
| 3sealed | 487 | Antrobus, Patrick (1464) | Won 2-0 | +181482 |
| 4sealed | 400 | Goveia, Kevin (1481) | Won 2-1 | +181500 |
| 5sealed | 314 | Opperman, David T (1501) | Won 2-1 | +181518 |
| 6sealed | 161 | Hamus, Steve (1552) | Lost 0-2 | -171501 |
| top | average opponent: 1497record: 3-3 | new rating: 1501 | ||