Manthei, Corey
Current rating: 1478
Record: 2-3
| Grand Prix San Francisco 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 121 | Phi, Mattics N (1500) | Won 2-1 | +181518 |
| 2block | 63 | Jen, Ivan (1500) | Lost 1-2 | -181500 |
| 3block | 236 | Rideout, Vincent (1470) | Lost 1-2 | -191481 |
| 4block | 283 | Woods, Tyler (1410) | Won 2-0 | +171498 |
| 5block | 175 | Benjamin, Matt (1394) | Lost 0-2 | -201478 |
| average opponent: 1455record: 2-3 | new rating: 1478 | |||