Velasquez, David
Current rating: 1555
Record: 5-2
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 27 | Sirker, Josue (1500) | Won 2-1 | +181518 |
| 3sealed | 79 | Escalona, Miguel (1627) | Won 2-0 | +201538 |
| 4sealed | 47 | Aguero Culligan, Mauricio Enrique (1536) | Lost 0-2 | -181520 |
| 5sealed | 97 | Espinoza, Esteban (1517) | Lost 1-2 | -181502 |
| 6sealed | 114 | Vargas, Jose (1464) | Won 2-0 | +171519 |
| 7sealed | 84 | Gutierrez Rodas, Braulio (1516) | Won 2-1 | +181537 |
| 8sealed | 67 | Alpizar, Luis Francisc (1536) | Won 2-1 | +181555 |
| average opponent: 1528record: 5-2 | new rating: 1555 | |||