Koyama, Masashi[KY]
Current rating: 1484
Record: 1-2
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 111 | Yamada, Tsutomu (1480) | Lost 0-0 | -181482 |
| 2sealed | 266 | Nakamura, Takahiro (1679) | Won 2-1 | +211503 |
| 3sealed | 220 | Akagi, Hiroyuki (1446) | Lost 0-2 | -191484 |
| average opponent: 1535record: 1-2 | new rating: 1484 | |||