Marshall, Mike
Current rating: 1517
Record: 5-4
| Grand Prix San Francisco 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 164 | Stinson, Scott (1500) | Won 2-1 | +181518 |
| 2block | 119 | Hawk, William (1517) | Lost 0-2 | -181500 |
| 3block | 117 | Christman, Thaum (1508) | Won 2-0 | +181518 |
| 4block | 106 | Geitner, Greg (1518) | Won 2-0 | +181536 |
| 5block | 81 | Yam, Philip (1617) | Won 2-1 | +201556 |
| 6block | 55 | Sims, David (1502) | Lost 1-2 | -191537 |
| 7block | 120 | Contos, Jace D (1493) | Lost 0-2 | -191518 |
| 8block | 117 | Jimenez, Michael A (1488) | Won 2-1 | +171535 |
| 9block | 90 | Nishimura, Timothy (1540) | Lost 0-0 | -181517 |
| average opponent: 1520record: 5-4 | new rating: 1517 | |||