Hirayama, Kazumi
Current rating: 1432
Record: 2-6
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 364 | Fukushima, Hirotomo (1500) | Lost 0-2 | -171447 |
| 2block | 431 | Ota, Tetsuji (1482) | Won 2-0 | +181465 |
| 3block | 384 | Odaira, Shinichiro (1500) | Lost 0-2 | -171448 |
| 4block | 505 | Iwashita, Satoshi (1483) | Lost 0-2 | -171431 |
| 5block | 566 | Ozawa, Takeshi (1464) | Won 2-0 | +181449 |
| 6block | 398 | Sawada, Naoya (1483) | Lost 0-2 | -171432 |
| average opponent: 1485record: 2-4 | new rating: 1432 | |||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 14 | Kodani, Ryousuke (1500) | Lost 1-2 | -181482 |
| 2extended | 212 | Korenori, Makoto (1482) | Lost 0-2 | -181464 |
| average opponent: 1491record: 0-2 | new rating: 1464 | |||