Greenough, Colin M
Current rating: 1351
Record: 2-11
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1366 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 830 | Babb, Kevin (1535) | Lost 1-2 | -151351 |
| top | record: 0-1 | new rating: 1351 | ||
| Grand Prix Orlando 2012 (ISD standard) | starting rating: 1395 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 64 | Albizu, Enrique (1500) | Lost 1-2 | -161379 |
| 2standard | 266 | Grodzinski, Ryan (1452) | Won 2-0 | +201399 |
| 3standard | 246 | Fisher, Kristopher (1500) | Lost 0-2 | -171382 |
| 4standard | 422 | Sanchez, Richard (1482) | Lost 0-2 | -161366 |
| top | average opponent: 1483record: 1-3 | new rating: 1366 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 570 | Strickland, Joseph (1445) | Won 2-0 | +181446 |
| 2sealed | 534 | Stoll, Kyle (1490) | Lost 1-2 | -171429 |
| 3sealed | 663 | Clay, Aaron M (1483) | Lost 1-2 | -171412 |
| 4sealed | 700 | Laplant, Richard (1482) | Lost 0-2 | -171395 |
| top | average opponent: 1475record: 1-3 | new rating: 1395 | ||
| Grand Prix Tampa 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 140 | Concepcion, Ben C (1500) | Lost 0-2 | -181482 |
| 2sealed | 315 | Goanos, Steven (1482) | Lost 0-2 | -181464 |
| 3sealed | 328 | Mark, Lee (1464) | Lost 0-2 | -181446 |
| 4sealed | 369 | Gilliland, Brock (1446) | Lost 0-2 | -181428 |
| top | average opponent: 1473record: 0-4 | new rating: 1428 | ||