Koyama, Masamichi
Current rating: 1500
Record: 4-4
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 153 | Tokita, Toshimi (1500) | Lost 1-2 | -181482 |
| 2sealed | 257 | Ito, Kazuomi (1518) | Won 2-1 | +191501 |
| 3sealed | 251 | Umemiya, Tatsuya (1503) | Lost 1-2 | -181483 |
| 4sealed | 257 | Nakanishi, Keisuke (1498) | Won 2-0 | +181501 |
| 5sealed | 187 | Sakamoto, Daiki (1483) | Lost 0-2 | -181483 |
| 6sealed | 208 | Shimura, Yasuhiko (1425) | Lost 1-2 | -191464 |
| 7sealed | 175 | Sakaguchi, Takuya (1511) | Won 2-0 | +181482 |
| 8sealed | 127 | Higuchi, Kumi (1482) | Won 2-1 | +181500 |
| average opponent: 1490record: 4-4 | new rating: 1500 | |||