Hirata, Masaharu
Current rating: 1531
Record: 7-5
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 88 | Tanaka, Kazuyuki (1500) | Lost 0-2 | -191516 |
| 2extended | 130 | Omori, Ken'ichirou (1482) | Won 2-0 | +181534 |
| 3extended | 128 | Kawahara, Takayuki (1482) | Lost 1-2 | -191515 |
| 4extended | 158 | Kisaka, Yusuke (1516) | Won 2-1 | +181533 |
| 5extended | 134 | Shiba, Norihito (1483) | Won 2-1 | +171550 |
| 6extended | 93 | Morisaki, Nobuki (1504) | Lost 1-2 | -191531 |
| average opponent: 1494record: 3-3 | new rating: 1531 | |||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 249 | Fukui, Hiroyuki (1464) | Lost 0-2 | -191481 |
| 2block | 559 | Yajima, Masahiro (1482) | Won 2-1 | +181499 |
| 3block | 367 | Kawamura, Tamio (1500) | Won 2-1 | +181517 |
| 4block | 177 | Hara, Yasuharu (1517) | Won 2-1 | +181535 |
| 5block | 102 | Yanase, Ikuhito (1570) | Won 2-1 | +191554 |
| 6block | 99 | Mitsuya, Kazuhiko (1500) | Lost 1-2 | -191535 |
| average opponent: 1505record: 4-2 | new rating: 1535 | |||