Martinez, Michael D.
Current rating: 1447
Record: 3-6
| Grand Prix San Francisco 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 44 | Mitch, John (1500) | Lost 1-2 | -181482 |
| 2block | 186 | Hand, James (1482) | Lost 1-2 | -181464 |
| 3block | 285 | Miller, Chris (1447) | Won 2-0 | +181482 |
| 4block | 253 | Holmes, Kevin (1482) | Lost 1-2 | -181464 |
| 5block | 262 | Cook, Richard (1599) | Lost 1-2 | -161448 |
| 6block | 253 | Stewart, Brad (1466) | Lost 0-2 | -181430 |
| 7block | 197 | Bastelman, Rodney (1410) | Won 2-0 | +181448 |
| 8block | 155 | Sanson, Albert (1435) | Lost 0-2 | -181430 |
| 9block | 124 | Gilliam, Charles (1393) | Won 0-0 | +171447 |
| average opponent: 1468record: 3-6 | new rating: 1447 | |||