Guiomar, Gustavo
Current rating: 1490
| Grand Prix Valencia 2013 (THS limited) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 316 | Garcia Gorgojo, Miquel (1514) | Lost 0-2 | -181509 |
| 2sealed | 403 | De Lucas, Carlos (1485) | Lost 1-2 | -191490 |
| 3sealed | 205 | Medina Gomez, Franc (1462) | Draw 1-1 | 01490 |
| top | average opponent: 1487record: 0-2-1 | new rating: 1490 | ||
| Grand Prix Paris 2009 (ZEN limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 152 | Malavieille, Gilles (1500) | Won 2-0 | +181520 |
| 2sealed | 34 | Zeppetelli, Gianfranco (1517) | Lost 0-2 | -181502 |
| 3sealed | 171 | Blery, Gilles (1499) | Lost 1-2 | -181484 |
| 4sealed | 415 | Picard, Aubry (1482) | Won 2-1 | +181502 |
| 5sealed | 264 | Jensen, Thomas Dall (1615) | Won 2-1 | +201522 |
| 6sealed | 175 | Schulmerich, Felix (1766) | Won 2-1 | +221544 |
| 7sealed | 189 | Martins, Tony (1601) | Lost 0-2 | -171527 |
| top | average opponent: 1569record: 4-3 | new rating: 1527 | ||
| Grand Prix Barcelona 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 172 | Alvarez, Miguel (1526) | Lost 1-2 | -181482 |
| 2standard | 236 | Anglada Sanchez, Enric (1487) | Won 2-0 | +191501 |
| 3standard | 132 | Gomez Medina, Omar (1465) | Won 2-0 | +171518 |
| 4standard | 146 | Jara Perez, Juan Carlos (1552) | Lost 1-2 | -171501 |
| 5standard | 250 | Chiarel, Federico (1595) | Won 2-1 | +191520 |
| 6standard | 116 | Boris, Thomas (1496) | Lost 1-2 | -181502 |
| top | average opponent: 1520record: 3-3 | new rating: 1502 | ||