Alfaro, Luis Mauricio
Current rating: 1533
Record: 7-5-2
| Grand Prix Costa Rica 2016 (SOI standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 127 | Castillo, Andres (1465) | Draw 1-1 | -11502 |
| 2standard | 101 | Moreno, Victor (1343) | Won 2-0 | +151517 |
| 3standard | 117 | Aguirre Benavides, Mario Alberto (1411) | Lost 0-2 | -191498 |
| 4standard | 164 | Urena, Luis Diego (1486) | Won 2-1 | +171515 |
| 5standard | 118 | Bolanos, Diego (1462) | Lost 0-2 | -191496 |
| 6standard | 154 | Sanchez, Vinicio Sanchez (1500) | Won 2-1 | +181514 |
| 7standard | 117 | Barlado, Guido (1510) | Won 2-0 | +181532 |
| 8standard | 79 | De Leon Castillo, Jostein (1544) | Won 2-0 | +191551 |
| 9standard | 58 | Madrigal, Julio (1553) | Lost 1-2 | -181533 |
| average opponent: 1475record: 5-3-1 | new rating: 1533 | |||
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 42 | Tenorio Carbajal, Luis Carlos (1500) | Won 2-1 | +181518 |
| 5sealed | 1 | Castro Mahoney, Roberto (1655) | Lost 1-2 | -161502 |
| 6sealed | 24 | Estrada Morales, Mauricio (1478) | Lost 0-2 | -181484 |
| 7sealed | 37 | Sehezar, Bernaby (1503) | Draw 1-1 | 01484 |
| 8sealed | 51 | Stephens, Danny (1522) | Won 2-0 | +191503 |
| average opponent: 1531record: 2-2-1 | new rating: 1503 | |||