Rosenthal, Michael 2
Current rating: 1519
Record: 3-2-1
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 124 | Golding, Stephen G (1500) | Draw 1-1 | 01500 |
| 2extended | 211 | Fajardo, Richard (1500) | Lost 1-2 | -181482 |
| 3extended | 308 | Meyer, Shawn (1469) | Won 2-1 | +181500 |
| 4extended | 278 | Houk, Brandon (1467) | Won 2-1 | +171517 |
| 5extended | 202 | Williams, Toby (1557) | Won 2-1 | +191536 |
| 6extended | 129 | Lawson, Kevin (1573) | Lost 0-2 | -171519 |
| average opponent: 1511record: 3-2-1 | new rating: 1519 | |||