Estevan, Sergio Costa
Current rating: 1415
Record: 3-8
| Grand Prix Barcelona 2016 (SOI limited) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 10 | Gandara Alonso, Carlos (1661) | Won 2-0 | +211481 |
| 2sealed | 11 | Guardiola, Ferran (1527) | Lost 1-2 | -171464 |
| 3sealed | 750 | Lopez Martinez, Rafael Eusebio (1497) | Lost 0-2 | -171447 |
| 4sealed | 768 | de los Rios, Borja (1615) | Lost 0-2 | -151432 |
| 5sealed | 899 | Florit, Daniel (1470) | Lost 0-2 | -171415 |
| average opponent: 1554record: 1-4 | new rating: 1415 | |||
| Grand Prix Madrid 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3 | Martinez, Pablo (1438) | Lost 0-2 | -191481 |
| 2sealed | 459 | Neves, Carlos (1454) | Lost 0-2 | -191462 |
| 3sealed | 629 | Burrell Osanz, Manuel (1480) | Lost 1-2 | -171445 |
| 4sealed | 623 | Herreras, Marco (1447) | Won 2-1 | +181463 |
| 5sealed | 535 | Tome, Jorge (1464) | Won 2-0 | +181481 |
| 6sealed | 473 | Lucio, Carlos (1317) | Lost 0-2 | -211460 |
| average opponent: 1433record: 2-4 | new rating: 1460 | |||