Castro, Guillem
Current rating: 1288
Record: 1-14-1
| Grand Prix Barcelona 2011 (MBS standard) | starting rating: 1349 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 106 | Huecas Otero, Germanico (1521) | Lost 0-2 | -151334 |
| 2standard | 225 | Garcia-caballero, Enri (1481) | Lost 1-2 | -161318 |
| 3standard | 228 | Hita, Rafael (1464) | Lost 0-2 | -151303 |
| 4standard | 276 | Gomez Diez, Daniel (1445) | Lost 0-2 | -151288 |
| top | average opponent: 1478record: 0-4 | new rating: 1288 | ||
| Grand Prix Barcelona 2006 (GPT limited) | starting rating: 1396 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 133 | Valera Sansano, Gines (1556) | Lost 0-2 | -151381 |
| 2sealed | 222 | Segura, Pablo (1496) | Lost 1-2 | -161365 |
| 3sealed | 228 | Silang, Elvis (1463) | Lost 0-2 | -161349 |
| top | average opponent: 1505record: 0-3 | new rating: 1349 | ||
| Grand Prix Valencia 2001 (PLS limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 31 | Munoz, Adan (1500) | Lost 0-2 | -171447 |
| 2sealed | 163 | Bravo, Sergio (1482) | Lost 0-2 | -181429 |
| 3sealed | 197 | Yeves Rumayor, Jorge (1464) | Won 2-0 | +191448 |
| 4sealed | 176 | Gibert, Enric (1448) | Lost 1-2 | -181430 |
| 5sealed | 166 | Gandara Alonso, Carlos (1498) | Lost 0-2 | -171413 |
| 6sealed | 161 | Fernandez, Marc (1446) | Lost 0-2 | -171396 |
| top | average opponent: 1473record: 1-5 | new rating: 1396 | ||
| Grand Prix Barcelona 1999 (USG sealed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 126 | Bouloc, Yannick (1500) | Lost 0-0 | -181482 |
| 3sealed | 160 | Cabacas, Eloi (1482) | Lost 0-0 | -181464 |
| 4sealed | 182 | Rosell, Josep (1464) | Draw 0-0 | 01464 |
| top | average opponent: 1482record: 0-2-1 | new rating: 1464 | ||