Alvarado, Esteban
Current rating: 1534
Record: 4-2-1
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 26 | Barbosa, Luis (1500) | Won 2-0 | +181518 |
| 3sealed | 63 | Mena, Javier (1518) | Lost 1-2 | -181500 |
| 4sealed | 131 | Mainieri, Julian (1500) | Lost 0-2 | -181482 |
| 5sealed | 135 | Bonilla Chacon, Raul (1447) | Won 2-0 | +171499 |
| 6sealed | 110 | Torres, Diego (1499) | Draw 1-1 | 01499 |
| 7sealed | 113 | Rodriguez, Charles (1467) | Won 2-1 | +181517 |
| 8sealed | 88 | Arias, Julian (1485) | Won 2-0 | +171534 |
| average opponent: 1488record: 4-2-1 | new rating: 1534 | |||