Mizuno, Hirohiko
Current rating: 1464
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 115 | Adachi, Shingo (1659) | Lost 0-2 | -151521 |
| 2standard | 384 | Kamioka, Masayuki (1471) | Lost 0-2 | -191502 |
| 3standard | 400 | Kimura, Noritsugu (1469) | Lost 1-2 | -191483 |
| 4standard | 438 | Yamada, Fumika (1446) | Lost 1-2 | -191464 |
| top | average opponent: 1511record: 0-4 | new rating: 1464 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 211 | Domon, Yuki (1500) | Lost 0-2 | -181482 |
| 2sealed | 264 | Ozawa, Takeshi (1578) | Draw 1-1 | +21484 |
| 3sealed | 253 | Kim, Young-jun (1482) | Draw 1-1 | 01484 |
| 4sealed | 267 | Tanaka, Ryota (1428) | Lost 0-2 | -191465 |
| 5sealed | 235 | Akiyama, Hayato (1428) | Won 2-1 | +171482 |
| 6sealed | 188 | Okamoto, Chikako (1485) | Won 2-0 | +181500 |
| 7sealed | 139 | Yamasaki, Sadaharu (1466) | Won 2-0 | +181518 |
| 8sealed | 105 | Maruyama, Tatsuya (1551) | Won 2-1 | +181536 |
| top | average opponent: 1490record: 4-2-2 | new rating: 1536 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 133 | Kimu, Chunho (1500) | Draw 1-1 | 01500 |
| 2sealed | 187 | Watanabe, Hiroyuki (1499) | Lost 0-2 | -181482 |
| 3sealed | 273 | Fujimoto, Takehiro (1497) | Won 2-0 | +181500 |
| top | average opponent: 1499record: 1-1-1 | new rating: 1500 | ||