Achezinski, Brian
Current rating: 1462
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 193 | Murray, Ryan (1344) | Lost 0-2 | -201442 |
| 2modern | 729 | Kincaid, Austin (1481) | Draw 1-1 | +11443 |
| 3modern | 1091 | Todd, Dennis (1481) | Won 2-0 | +191462 |
| 4modern | 832 | Emms, Brandon (1519) | Draw 1-1 | +11463 |
| 5modern | 989 | Jones, Jordan (1436) | Draw 1-1 | -11462 |
| top | average opponent: 1452record: 1-1-3 | new rating: 1462 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1056 | Petrushev, Jon (1500) | Lost 0-2 | -181482 |
| 2legacy | 1160 | Harris, Rocky (1405) | Lost 0-2 | -201462 |
| top | average opponent: 1452record: 0-2 | new rating: 1462 | ||
| Grand Prix Pittsburgh 2011 (M12 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 422 | Sobieray, Andrew (1499) | Won 2-0 | +181518 |
| 2standard | 22 | Drake, Dustin (1518) | Lost 0-2 | -181500 |
| 3standard | 251 | Casale, John (1499) | Lost 0-2 | -181482 |
| 4standard | 476 | Wilson, Daniel J (1482) | Won 2-1 | +181500 |
| 5standard | 380 | VANCAMP, MATT (1499) | Won 2-1 | +181518 |
| 6standard | 249 | Shaw, Patrick (1500) | Lost 0-2 | -181500 |
| top | average opponent: 1500record: 3-3 | new rating: 1500 | ||