Perin, Gregory
Current rating: 1451
Record: 5-8
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Zuniga, Michael (1549) | Won 2-1 | +201505 |
| 2sealed | 172 | P669, Luke (1517) | Lost 0-2 | -181487 |
| 3sealed | 259 | Hoffman, Clint R (1500) | Lost 1-2 | -181469 |
| 4sealed | 365 | Wagner, Whitney (1480) | Lost 0-2 | -181451 |
| average opponent: 1511record: 1-3 | new rating: 1451 | |||
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 111 | Smith, Courtney (1500) | Won 2-1 | +181518 |
| 2standard | 117 | Thompson, Jordan (1538) | Won 2-0 | +181536 |
| 3standard | 19 | Hendrix, Carl (1759) | Lost 0-2 | -141522 |
| 4standard | 214 | Salinas, Merced D (1599) | Lost 1-2 | -161506 |
| 5standard | 209 | Guerrero, Fernando U (1499) | Lost 0-2 | -181488 |
| 6standard | 258 | Williams, Steven M (1439) | Lost 0-2 | -191469 |
| 7standard | 238 | Feris, Samuel (1404) | Lost 1-2 | -191450 |
| 8standard | 201 | Bizzell, Matt (1446) | Won 2-0 | +171467 |
| 9standard | 171 | Aguilar, Elliot (1464) | Won 2-0 | +181485 |
| average opponent: 1516record: 4-5 | new rating: 1485 | |||