Welti, Yves
Current rating: 1543
Record: 5-3
| Grand Prix Zurich 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 141 | Springer, Tibor (1500) | Won 2-0 | +181518 |
| 2block | 116 | Purcha, Stephane (1709) | Won 2-0 | +211539 |
| 3block | 51 | van der Velden, Stan (1655) | Lost 1-2 | -151524 |
| 4block | 111 | Derre, Florent (1530) | Lost 0-2 | -181506 |
| 5block | 158 | Ziller, Daniel (1489) | Won 2-1 | +171523 |
| 6block | 121 | Imfeld, Alexander (1521) | Won 2-1 | +181541 |
| 7block | 101 | Pierre, Sylvain (1542) | Won 2-1 | +181559 |
| 8block | 43 | Almondo, Maurizio (1643) | Lost 1-2 | -161543 |
| average opponent: 1574record: 5-3 | new rating: 1543 | |||