Hiraki, Kazuhiro
Current rating: 1586
Record: 16-11
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1608 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 105 | Matsui, Kazuki (1524) | Lost 1-2 | -191589 |
| 3block | 151 | Yamazaki, Hiroyuki (1530) | Won 2-0 | +161605 |
| 4block | 147 | Oota, Tetsurou (1519) | Lost 0-2 | -191586 |
| top | average opponent: 1524record: 1-2 | new rating: 1586 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1599 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 141 | Imura, Satoshi (1560) | Lost 1-2 | -191580 |
| 4standard | 185 | Murayama, Reiji (1490) | Lost 0-2 | -201560 |
| 5standard | 253 | Nisigahana, Tatunori (1500) | Won 2-0 | +171577 |
| 6standard | 255 | Kiuchi, Satoru (1474) | Lost 1-2 | -201557 |
| 7standard | 206 | Yamane, Masahiro (1483) | Won 2-1 | +171574 |
| 8standard | 164 | Yagura, Hisayoshi (1564) | Won 2-1 | +181592 |
| 9standard | 124 | Kawada, Chihiro (1498) | Won 2-1 | +161608 |
| top | average opponent: 1510record: 4-3 | new rating: 1608 | ||
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1622 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 23 | Eguchi, Hiroshi (1434) | Lost 0-2 | -211601 |
| 3sealed | 196 | Sakuma, Toshimitsu (1594) | Lost 0-2 | -181583 |
| 4sealed | 195 | Tanaka, Takayuki (1479) | Won 2-1 | +161599 |
| top | average opponent: 1502record: 1-2 | new rating: 1599 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 178 | Nakanishi, Keisuke (1451) | Won 2-0 | +171517 |
| 2sealed | 98 | Yazawa, Yasuhiro (1502) | Won 2-1 | +181535 |
| 3sealed | 78 | Kakumae, Teruya (1601) | Won 2-0 | +191554 |
| 4sealed | 39 | Ito, Ken (1657) | Won 2-0 | +201574 |
| 5sealed | 19 | Mizutani, Naoki (1570) | Won 2-1 | +181592 |
| 6sealed | 12 | Nakamura, Satoshi (1694) | Won 2-1 | +201612 |
| 7sealed | 1 | Yamamoto, Kentaro (1627) | Lost 1-2 | -181594 |
| 8sealed | 15 | Fujita, Kenichi (1768) | Won 2-1 | +211615 |
| 9rochester | 6 | Sasagawa, Tomohide (1670) | Lost 0-2 | -171598 |
| 10rochester | 25 | Yamamoto, Kentaro (1615) | Won 2-0 | +181616 |
| 11rochester | 25 | Minami, Masashi (1681) | Lost 1-2 | -161600 |
| 12rochester | 9 | Hayashi, Shinsuke (1695) | Won 2-0 | +191619 |
| 13rochester | 13 | Yamamoto, Kentaro (1640) | Won 2-1 | +191638 |
| 14rochester | 29 | Nakano, Yoshitaka (1765) | Lost 1-2 | -161622 |
| top | average opponent: 1638record: 10-4 | new rating: 1622 | ||