Collitt, Sam
Current rating: 1381
Record: 4-11
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 121 | Steltz, Demian (1483) | Lost 1-2 | -171429 |
| 2modern | 861 | Miller, Dakota (1481) | Won 2-0 | +191448 |
| 3modern | 918 | Wilson, Robert 2 (1499) | Lost 1-2 | -171431 |
| 4modern | 1006 | Gray, Zachary (1578) | Lost 0-2 | -151416 |
| 5modern | 1036 | Graening, Matthew (1464) | Lost 0-2 | -181398 |
| 6modern | 957 | Gilmore, Alicia (1446) | Lost 1-2 | -171381 |
| average opponent: 1492record: 1-5 | new rating: 1381 | |||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 345 | Clothier, Charles (1500) | Lost 0-2 | -181482 |
| 2modern | 468 | Thomas, Brad (1485) | Lost 0-2 | -181464 |
| 3modern | 547 | Windorf, Kieran (1468) | Lost 1-2 | -181446 |
| 4modern | 553 | Goldstein, Steve (1436) | Won 2-0 | +181464 |
| 5modern | 504 | Stanfar, Michael (1531) | Lost 1-2 | -171447 |
| 6modern | 430 | Waller, Ozzie (1379) | Won 2-0 | +171464 |
| 7modern | 332 | Smith, Dylan (1497) | Lost 1-2 | -171447 |
| 8modern | 269 | Adams, Neil (1447) | Won 2-0 | +181465 |
| 9modern | 209 | Gotthardt, Ben (1453) | Lost 0-2 | -191446 |
| average opponent: 1466record: 3-6 | new rating: 1446 | |||