Hamanaka, Hiroki
Current rating: 1464
Record: 0-2-1
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 267 | Hall, Michael J (1482) | Lost 0-2 | -181482 |
| 2extended | 463 | Kobayashi, Tatsuumi (1490) | Draw 1-1 | 01482 |
| 3extended | 399 | Yamamoto, Sadaaki (1481) | Lost 1-2 | -181464 |
| average opponent: 1484record: 0-2-1 | new rating: 1464 | |||