Harvey, Claude
Current rating: 1517
Record: 3-2
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 21 | Arauz, Joel Enrique (1459) | Won 2-1 | +171517 |
| 3sealed | 94 | De Arco, Carlos (1482) | Won 2-0 | +181535 |
| 4sealed | 85 | Cubillo, Stayner (1500) | Won 2-1 | +171552 |
| 5sealed | 23 | Brezinski, Mark (1658) | Lost 1-2 | -161536 |
| 6sealed | 71 | Galdamez, Adolfo L (1466) | Lost 0-2 | -191517 |
| average opponent: 1513record: 3-2 | new rating: 1517 | |||