Sandoval, Omar
Current rating: 1492
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1567 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1041 | Stapleton, Joshua (1500) | Lost 1-2 | -191548 |
| 2sealed | 1272 | Adams, Nolan (1536) | Lost 0-2 | -181530 |
| 3sealed | 1351 | Raney, Tom (1476) | Lost 1-2 | -191511 |
| 4sealed | 1366 | Crowley, Benjamin (1447) | Lost 0-2 | -191492 |
| top | average opponent: 1490record: 0-4 | new rating: 1492 | ||
| Grand Prix Mexico City 2012 (DKA limited) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 240 | Flores Duran, Jorge (1500) | Won 2-0 | +171549 |
| 2sealed | 131 | Albert, Guillermo (1518) | Won 2-0 | +171566 |
| 3sealed | 42 | Yeh, Gottlieb (1789) | Lost 1-2 | -141552 |
| 4sealed | 94 | Galindo Glez., Juan (1519) | Won 2-1 | +181570 |
| 5sealed | 96 | Mendez Vidal, Jose M (1535) | Won 2-0 | +171587 |
| 6sealed | 62 | Rivera, Luis D (1539) | Won 2-0 | +171604 |
| 7sealed | 11 | lombell, Christopher (1576) | Lost 1-2 | -181586 |
| 8sealed | 45 | Rangel, Marcos (1553) | Lost 1-2 | -191567 |
| top | average opponent: 1566record: 5-3 | new rating: 1567 | ||
| Grand Prix Mexico City 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 16 | Denis, Rafael (1500) | Lost 1-2 | -181482 |
| 4block | 69 | Meneses Ramirez, Mauro (1518) | Won 1-0 | +191501 |
| 5block | 23 | Narvaez Hurtado, Jose (1487) | Draw 1-1 | -11500 |
| 6block | 44 | Anzorena, Pablo (1499) | Won 2-1 | +181518 |
| 7block | 27 | Wiegersma, Jelger (1840) | Won 2-0 | +241542 |
| 8block | 18 | Zavala, Carlos (1578) | Won 2-0 | +191561 |
| 9block | 11 | Herberholz, Mark (1894) | Won 2-0 | +241585 |
| 10block | 6 | Escalona, Miguel (1592) | Draw 1-1 | 01585 |
| 11block | 8 | Liprandi, Maximiliano (1589) | Lost 0-2 | -181567 |
| 12block | 14 | Irvine, David (1615) | Lost 1-2 | -171550 |
| 13block | 19 | De La Paz Corona, Fernando (1546) | Lost 0-2 | -181532 |
| top | average opponent: 1605record: 5-4-2 | new rating: 1532 | ||