Boy, Darwin
Current rating: 1487
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 401 | Nelson, Aaron (1500) | Won 2-0 | +191483 |
| 2sealed | 247 | St-Martin-Allard, Jonathan (1530) | Won 2-1 | +191502 |
| 3sealed | 72 | Efigenio, Christopher (1592) | Lost 0-2 | -171485 |
| 4sealed | 251 | Alexander, Kevin (1519) | Won 2-1 | +191504 |
| 5sealed | 222 | Haddock, Esric (1566) | Lost 0-2 | -171487 |
| top | average opponent: 1541record: 3-2 | new rating: 1487 | ||
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 93 | Aguirre, Andrew (1438) | Lost 0-2 | -181446 |
| 2extended | 318 | Arriaga, Francisco L (1481) | Won 2-0 | +181464 |
| 3extended | 271 | Popick, Joel (1484) | Draw 1-1 | +11465 |
| 4extended | 267 | Starr, Christopher K (1500) | Won 2-1 | +181483 |
| 5extended | 193 | Beg, Zaiem (1418) | Lost 0-1 | -191464 |
| top | average opponent: 1464record: 2-2-1 | new rating: 1464 | ||
| Grand Prix Phoenix 2006 (CSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 17 | Kleine, Craig R (1500) | Lost 1-2 | -181482 |
| 2sealed | 116 | Colmenero, Clifton (1482) | Lost 0-2 | -181464 |
| top | average opponent: 1491record: 0-2 | new rating: 1464 | ||