Calderon Ovalle, Valentin
Current rating: 1508
Record: 3-3
| Grand Prix Mexico City 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 127 | Quintana Arsuaga, Jose (1500) | Won 2-0 | +181518 |
| 2sealed | 138 | Mancilla Hernandez, Carlos (1566) | Won 2-1 | +191537 |
| 3sealed | 7 | de la Garza, Lisandro (1536) | Won 2-1 | +181555 |
| 4sealed | 50 | Juza, Martin (2056) | Lost 1-2 | -101545 |
| 5sealed | 107 | Borges, Bruno (1502) | Lost 0-2 | -181527 |
| 6sealed | 176 | Casasa, Miguel (1519) | Lost 1-2 | -191508 |
| average opponent: 1613record: 3-3 | new rating: 1508 | |||