Chinchilla, Marco
Current rating: 1498
Record: 6-6-1
| Grand Prix Costa Rica 2016 (SOI standard) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 129 | Gomez Valverde, Mauricio (1480) | Lost 1-2 | -181481 |
| 2standard | 108 | Santiago Torres, Dorian Armando (1532) | Won 2-0 | +191500 |
| 3standard | 138 | Lee, Faran Lan Fai (1482) | Lost 1-2 | -181482 |
| 4standard | 206 | Reyes Calles, Moises Eduardo (1482) | Won 2-0 | +181500 |
| 5standard | 147 | Velezmoro, Juan Jose (1505) | Lost 0-2 | -181482 |
| 6standard | 173 | Hernandez Rishmawy, Saul Marcelo (1500) | Won 2-0 | +181500 |
| 7standard | 149 | Rojas, Luis Arturo (1469) | Draw 1-1 | 01500 |
| 8standard | 146 | Aguirre Benavides, Mario Alberto (1405) | Won 2-1 | +161516 |
| 9standard | 118 | Barahona Gomez, Danny (1506) | Lost 0-2 | -181498 |
| average opponent: 1485record: 4-4-1 | new rating: 1498 | |||
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 44 | Feng, Josue (1500) | Lost 0-2 | -181482 |
| 3sealed | 134 | Brenes, Moises (1482) | Won 2-1 | +181500 |
| 4sealed | 118 | Bonilla Chacon, Raul (1465) | Won 2-0 | +171517 |
| 5sealed | 90 | Azofeifa Valverde, Andres (1520) | Lost 0-2 | -181499 |
| average opponent: 1492record: 2-2 | new rating: 1499 | |||