Marchena, Oscar
Current rating: 1500
Record: 2-2
| Grand Prix Barcelona 2011 (MBS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 87 | Arrabal, Miquel (1463) | Lost 0-2 | -191481 |
| 2standard | 218 | Angel, Jose Maria (1483) | Won 2-0 | +181499 |
| 3standard | 176 | Ameeuw, Sebastien (1587) | Lost 0-2 | -161483 |
| 4standard | 208 | Romero, Alberto (1454) | Won 2-1 | +171500 |
| average opponent: 1497record: 2-2 | new rating: 1500 | |||