Cobos, Sergio
Current rating: 1502
Record: 10-10-2
| Grand Prix Barcelona 2018 (modern) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 322 | Cuevas, Ricart (1490) | Lost 0-2 | -181502 |
| top | record: 0-1 | new rating: 1502 | ||
| Grand Prix Madrid 2014 (modern) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 412 | Trauer, Pierre (1408) | Lost 0-2 | -201477 |
| 3modern | 556 | Jarrold, Joseph (1431) | Won 2-0 | +171494 |
| 4modern | 570 | Ortiz, Jorge (1516) | Won 2-1 | +191513 |
| 5modern | 363 | Llimos Muntal, Pere (1704) | Won 2-1 | +211534 |
| 6modern | 82 | Baptista, Tiago (1543) | Won 2-0 | +181552 |
| 7modern | 87 | Perez, Ruben (1780) | Lost 1-2 | -131539 |
| 8modern | 143 | Bjorklund, Charles (1523) | Lost 1-2 | -191520 |
| top | average opponent: 1558record: 4-3 | new rating: 1520 | ||
| Grand Prix Paris 2014 (legacy) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 308 | Francois, Folke (1500) | Lost 1-2 | -181460 |
| 2legacy | 370 | Dupont, Benjamin (1460) | Won 2-0 | +181478 |
| 3legacy | 490 | Quintero Medina, Alberto (1520) | Won 2-0 | +191497 |
| 4legacy | 216 | Vogel, Sylvain (1470) | Lost 0-2 | -191478 |
| 5legacy | 469 | Peters, Sebastiaan (1485) | Won 2-0 | +191497 |
| 6legacy | 325 | Spadidakis, Nickos (1544) | Lost 0-2 | -181479 |
| 7legacy | 443 | Vlaanderen, Kees (1388) | Won 2-1 | +171496 |
| 8legacy | 337 | Di Gregorio, Nicolas (1419) | Won 2-1 | +161512 |
| 9legacy | 227 | Rodrigues, Thiago (1653) | Lost 0-2 | -151497 |
| top | average opponent: 1493record: 5-4 | new rating: 1497 | ||
| Grand Prix Bilbao 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 113 | Mercader, Jon (1500) | Draw 1-1 | 01500 |
| 2modern | 223 | Sintes Andres, Nicolas (1349) | Won 2-1 | +151515 |
| 3modern | 158 | Chabriac, Nicolas (1528) | Lost 0-2 | -181497 |
| 4modern | 321 | Flor, Erik (1471) | Draw 1-1 | 01497 |
| 5modern | 377 | Esteve, Isaac (1430) | Lost 1-2 | -191478 |
| top | average opponent: 1456record: 1-2-2 | new rating: 1478 | ||