Murillo, Andres
Current rating: 1428
Record: 1-5
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 126 | Gonzalez, Elvis (1500) | Lost 1-2 | -181482 |
| 3sealed | 140 | Hernandez, Antony (1482) | Lost 0-2 | -181464 |
| 4sealed | 165 | Trejos, Eduardo (1464) | Lost 1-2 | -181446 |
| 5sealed | 156 | Fallas, Rodolfo (1464) | Won 2-0 | +181464 |
| 6sealed | 141 | Quiros Castro, Jorge P (1463) | Lost 0-2 | -181446 |
| 7sealed | 128 | Retana, Alejandro (1449) | Lost 0-2 | -181428 |
| average opponent: 1470record: 1-5 | new rating: 1428 | |||