Ros, Tonda
Current rating: 1488
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 268 | Burlew, Isaac (1540) | Lost 0-2 | -171488 |
| top | record: 0-1 | new rating: 1488 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1067 | Hofweber, Will (1502) | Won 2-0 | +181484 |
| 2sealed | 979 | Fernandes, John (1390) | Won 2-0 | +161500 |
| 3sealed | 1124 | Studley, James (1637) | Lost 1-2 | -151485 |
| 4sealed | 1094 | Nguyen, Philip (1443) | Won 2-1 | +171502 |
| 5sealed | 1006 | Adair, Zach (1567) | Won 2-0 | +191521 |
| 6sealed | 746 | Adams, Evan (1540) | Lost 1-2 | -171504 |
| 7sealed | 678 | Pertel, Albert (1535) | Won 2-1 | +181522 |
| 8sealed | 474 | Wood, Rick (1555) | Lost 1-2 | -171505 |
| top | average opponent: 1521record: 5-3 | new rating: 1505 | ||
| Grand Prix San Diego 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 503 | Micheletti, Natan (1480) | Won 2-1 | +181518 |
| 2sealed | 513 | Pusateri, Eric (1518) | Lost 1-2 | -181500 |
| 3sealed | 550 | Corneveaux, George (1501) | Won 2-0 | +181518 |
| 4sealed | 564 | Thorson, Phil (1637) | Lost 0-2 | -161502 |
| 5sealed | 559 | Fagundes, Marina (1484) | Lost 0-2 | -181484 |
| 6sealed | 580 | Meler, Jacob M (1484) | Lost 1-2 | -181466 |
| top | average opponent: 1517record: 2-4 | new rating: 1466 | ||