Watson, Colin
Current rating: 1516
Record: 7-6
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 234 | Rodriguez, Jonathan (1515) | Lost 1-2 | -181482 |
| 2standard | 463 | Glenn, Laura (1482) | Won 2-0 | +181500 |
| 3standard | 495 | Fairbanks, Joe (1502) | Won 2-0 | +181518 |
| 4standard | 313 | Taft, Jake (1484) | Lost 1-2 | -181500 |
| 5standard | 439 | Puffinburger, Justin (1451) | Won 2-1 | +171517 |
| 6standard | 382 | Lubman, Jacob (1486) | Won 2-0 | +171534 |
| 7standard | 285 | Roth, Robbie (1522) | Lost 1-2 | -181516 |
| average opponent: 1492record: 4-3 | new rating: 1516 | |||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 326 | Tatum, Brian L (1500) | Lost 0-2 | -181482 |
| 2standard | 314 | Mcgee, Zachary A (1482) | Lost 1-2 | -181464 |
| 3standard | 371 | Henley, Christopher (1464) | Won 2-0 | +181482 |
| 4standard | 391 | Cooper, Marshall E (1482) | Won 2-0 | +181500 |
| 5standard | 232 | Rousseas, Perey (1501) | Won 2-0 | +181518 |
| 6standard | 238 | Neto, Romario (1517) | Lost 1-2 | -181500 |
| average opponent: 1491record: 3-3 | new rating: 1500 | |||