Lopez, Guillermo
Current rating: 1484
Record: 6-7-1
| Grand Prix Madrid 2004 (DST limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 18 | Antona, David Guaman (1500) | Lost 0-2 | -181465 |
| 2sealed | 564 | Nunez Galan, Jose Carlos (1482) | Won 2-0 | +181483 |
| 3sealed | 344 | PILLADO, JACOBO (1500) | Lost 1-2 | -171466 |
| 4sealed | 404 | Redondo, Jose Carlos (1482) | Lost 1-2 | -181448 |
| 5sealed | 479 | Humaran, Imanol (1463) | Won 2-1 | +181466 |
| 6sealed | 355 | Garate, Teo (1480) | Won 2-0 | +181484 |
| average opponent: 1484record: 3-3 | new rating: 1484 | |||
| Grand Prix London 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 103 | Allain, Gregory (1500) | Lost 1-2 | -181482 |
| 2block | 173 | Lacorre, Remi (1482) | Won 2-1 | +181500 |
| 3block | 145 | Kaestner-Frenchman, Ben (1503) | Won 2-1 | +181518 |
| 4block | 156 | Morselli, Matteo (1379) | Won 2-0 | +161534 |
| 5block | 54 | Ferretti, Elie (1540) | Lost 0-2 | -181516 |
| 6block | 98 | Wray, Mark (1470) | Draw 1-1 | -11515 |
| 7block | 109 | Ross, Edward (1696) | Lost 0-2 | -151500 |
| 8block | 118 | Vigne, Bertrand (1535) | Lost 1-2 | -171483 |
| average opponent: 1513record: 3-4-1 | new rating: 1483 | |||