Koopman, Michel A
Current rating: 1482
Record: 3-4
| Grand Prix San Francisco 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 137 | Foster, Daniel I (1500) | Lost 0-2 | -181482 |
| 2block | 247 | Nelson, Brandon (1483) | Lost 0-2 | -181464 |
| 3block | 283 | Gilliam, Charles (1464) | Won 2-0 | +181482 |
| 4block | 280 | Mann, Zachary (1482) | Won 2-1 | +181500 |
| 5block | 220 | Scanlan, Brian (1499) | Won 2-0 | +181518 |
| 6block | 143 | Lindler, Zac (1521) | Lost 0-2 | -181500 |
| 7block | 169 | Pachter, Jeremy J (1499) | Lost 0-2 | -181482 |
| average opponent: 1493record: 3-4 | new rating: 1482 | |||