Gutierrez Herrero, Guillermo
Current rating: 1489
Record: 6-7
| Grand Prix Bilbao 2005 (extended) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 178 | Fernandez, David (1486) | Lost 1-2 | -181490 |
| 2extended | 138 | Chamorro Diez, Victor (1483) | Lost 1-2 | -181472 |
| 3extended | 188 | Jamardo Chenlo, Borja (1467) | Lost 0-2 | -181454 |
| 4extended | 223 | Hopyos-Limon Cuinos, S (1448) | Won 2-0 | +181472 |
| 5extended | 193 | Dorle, Anthony (1458) | Won 2-0 | +171489 |
| 6extended | 169 | Cavaleiro, Pedro (1529) | Lost 0-2 | -171472 |
| 7extended | 158 | Ortega, David (1401) | Won 1-0 | +171489 |
| average opponent: 1467record: 3-4 | new rating: 1489 | |||
| Grand Prix Madrid 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 505 | Giron Camacho, Alejandro (1500) | Won 2-0 | +181518 |
| 2sealed | 214 | Llopis Martinez, Paco Francisco (1733) | Won 2-0 | +221540 |
| 3sealed | 52 | Gonzalez, Israel (1537) | Won 2-1 | +181558 |
| 4sealed | 97 | Gomersall, Sam (1882) | Lost 1-2 | -121546 |
| 5sealed | 217 | Picanol, Roma (1489) | Lost 0-2 | -201526 |
| 6sealed | 163 | Freitas, Buyolo (1517) | Lost 0-2 | -181508 |
| average opponent: 1610record: 3-3 | new rating: 1508 | |||