Merino, Oscar
Current rating: 1468
Record: 6-8
| Grand Prix Madrid 2010 (legacy) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 89 | Sukaitis, Tomas (1502) | Lost 1-2 | -181466 |
| 2legacy | 359 | Perales, Abel (1464) | Won 2-0 | +181484 |
| 3legacy | 170 | Caballero, Juli (1483) | Won 2-0 | +181502 |
| 4legacy | 277 | Mula, Pedro (1542) | Lost 0-2 | -171485 |
| 5legacy | 367 | Merino Bustos, Marcelo (1483) | Lost 1-2 | -181467 |
| 6legacy | 371 | Martinez, Fernando (1485) | Won 2-0 | +181485 |
| 7legacy | 287 | Barroso, Ivan (1499) | Lost 1-2 | -181467 |
| 8legacy | 253 | Gallego Diaz, Hector (1481) | Won 2-1 | +191486 |
| 9legacy | 189 | Dominguez, Raul (1499) | Lost 0-2 | -181468 |
| average opponent: 1493record: 4-5 | new rating: 1468 | |||
| Grand Prix Barcelona 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 222 | Schneider, Dunja (1500) | Won 2-0 | +181518 |
| 2standard | 132 | Marin, Luis (1516) | Lost 0-2 | -181500 |
| 3standard | 164 | Panagou, Maria (1500) | Won 2-1 | +181518 |
| 4standard | 106 | Cordero Valle, Marcos (1614) | Lost 1-2 | -161502 |
| 5standard | 241 | Choca, Antonio (1504) | Lost 1-2 | -181484 |
| average opponent: 1527record: 2-3 | new rating: 1484 | |||