Yamamoto, Robby
Current rating: 1464
Record: 1-3
| Grand Prix Anaheim 2003 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 50 | Bonser, Chris (1500) | Lost 1-2 | -181482 |
| 2extended | 84 | Spiteri, Nick (1482) | Won 2-1 | +181500 |
| 3extended | 71 | Gabber, James (1503) | Lost 1-2 | -181482 |
| 4extended | 118 | Vigderman, Constantine (1502) | Lost 0-2 | -181464 |
| average opponent: 1497record: 1-3 | new rating: 1464 | |||