Lachat, Lionel
Current rating: 1521
Record: 4-3-1
| Grand Prix Zurich 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 216 | Schmidlin, Boris (1500) | Won 2-1 | +181518 |
| 2block | 66 | Henry, Boris (1459) | Won 2-0 | +171535 |
| 3block | 102 | Naboudet, Stephane (1536) | Lost 0-2 | -181517 |
| 4block | 83 | Stalder, Roman (1517) | Lost 1-2 | -181499 |
| 5block | 145 | Roth, Hannes (1502) | Won 2-0 | +181517 |
| 6block | 103 | Alajbegovic, Goran (1516) | Draw 1-1 | 01517 |
| 7block | 123 | Vouillemin, Gael (1612) | Won 2-0 | +201537 |
| 8block | 86 | Juza, Martin (1647) | Lost 1-2 | -161521 |
| average opponent: 1536record: 4-3-1 | new rating: 1521 | |||