Andersen, Nelson
Current rating: 1500
Record: 8-8
| Grand Prix Bilbao 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 53 | Malaurie, Frederic (1500) | Lost 0-2 | -181482 |
| 2extended | 201 | Elarre, Inaki (1482) | Won 2-1 | +181500 |
| 3extended | 149 | Campos, Leonardo (1500) | Won 2-1 | +181518 |
| 4extended | 109 | Serrano, Emilio (1516) | Lost 0-2 | -181500 |
| 5extended | 117 | Geraldo, Paulo (1522) | Won 2-1 | +191519 |
| 6extended | 121 | Marco, David (1468) | Won 2-1 | +171536 |
| 7extended | 46 | Gonzales, Juan Lara (1537) | Lost 1-2 | -181518 |
| 8extended | 85 | Antipov, Maxim (1521) | Lost 1-2 | -181500 |
| average opponent: 1506record: 4-4 | new rating: 1500 | |||
| Grand Prix Madrid 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 328 | Cordero, Angel (1500) | Won 2-1 | +181518 |
| 2sealed | 206 | Nubla, Alberto (1518) | Won 2-0 | +181536 |
| 3sealed | 83 | Silva-Figueira, Nuno (1534) | Won 2-1 | +181554 |
| 4sealed | 49 | Salas, Camilo (1591) | Lost 0-2 | -171537 |
| 5sealed | 185 | Frade, Pedro (1500) | Lost 1-2 | -191518 |
| 6sealed | 246 | Villafranca, Asier (1520) | Won 2-0 | +181536 |
| 7sealed | 202 | Alvarez, Jonatan (1536) | Lost 0-2 | -181518 |
| 8sealed | 164 | Tran, Jean-Claude (1542) | Lost 1-2 | -181500 |
| average opponent: 1530record: 4-4 | new rating: 1500 | |||