Romero, Sergio
Current rating: 1407
Record: 5-10
| Grand Prix Barcelona 2016 (SOI limited) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 530 | Schwaiger, Benjamin (1463) | Lost 0-2 | -181459 |
| 2sealed | 614 | Tornos Vidal, Juan Pablo (1446) | Won 2-0 | +181477 |
| 3sealed | 781 | Tyler, Samuel (1526) | Lost 0-2 | -171460 |
| 4sealed | 738 | Barriga Arruego, Guillermo (1481) | Lost 0-2 | -181442 |
| 5sealed | 828 | Tavora, Celso (1473) | Lost 0-2 | -171425 |
| 6sealed | 822 | Delval, Felix (1445) | Lost 0-2 | -181407 |
| average opponent: 1472record: 1-5 | new rating: 1407 | |||
| Grand Prix Madrid 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Eugui, Borja (1500) | Lost 1-2 | -181482 |
| 2sealed | 475 | Verdu Agullo, Carlos (1447) | Lost 1-2 | -191463 |
| 3sealed | 591 | Ubeda, Jose (1447) | Lost 0-2 | -181445 |
| 4sealed | 651 | Ruiz Estudillo, Jose Antonio (1448) | Won 2-0 | +181463 |
| 5sealed | 555 | Gomez, Raul (1399) | Won 2-1 | +171480 |
| 6sealed | 426 | Kodama, Kentaro (1516) | Won 2-1 | +191499 |
| 7sealed | 323 | Lejeune, Olivier (1342) | Lost 1-2 | -211478 |
| 8sealed | 318 | Kirsten, Kevin (1485) | Won 2-0 | +181496 |
| 9sealed | 255 | Pires, Pedro (1473) | Lost 0-2 | -191477 |
| average opponent: 1451record: 4-5 | new rating: 1477 | |||