Keller, Sacha
Current rating: 1500
Record: 4-4
| Grand Prix Zurich 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 23 | Wittmer, Laurent (1484) | Lost 1-2 | -181482 |
| 2block | 185 | Preiss, Christian (1532) | Lost 0-2 | -171465 |
| 3block | 258 | Zimmermann, Karin (1465) | Lost 0-2 | -181447 |
| 4block | 298 | Bruhin, Christian (1451) | Won 2-0 | +181465 |
| 5block | 248 | Schaller, Thomas (1464) | Won 2-1 | +181483 |
| 6block | 210 | Seibel, Felix (1431) | Won 2-1 | +171500 |
| 7block | 163 | Sanders, Jeremy (1501) | Won 2-1 | +181518 |
| 8block | 103 | Lessau, Wolfram (1520) | Lost 1-2 | -181500 |
| average opponent: 1481record: 4-4 | new rating: 1500 | |||