Mizukawa, Kengo
Current rating: 1468
Record: 4-6-1
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 225 | Toochika, Takayuki (1460) | Lost 1-2 | -191484 |
| 2standard | 301 | Syouyama, Youhei (1601) | Lost 1-2 | -151469 |
| 3standard | 412 | Nakashima, Hisatomo (1431) | Won 2-0 | +171486 |
| 4standard | 323 | Yamada, Takashi (1482) | Lost 0-2 | -181468 |
| average opponent: 1493record: 1-3 | new rating: 1468 | |||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 156 | Katou, Takaya (1500) | Won 2-0 | +181518 |
| 2sealed | 165 | Kagamihata, Atsushi (1542) | Lost 0-2 | -181500 |
| 3sealed | 239 | Matsuyama, Tomofumi (1491) | Lost 1-2 | -181482 |
| 4sealed | 245 | Kishi, Tatsunori (1627) | Draw 1-1 | +31485 |
| 5sealed | 214 | Mera, Kenichi (1472) | Won 2-1 | +181503 |
| 6sealed | 156 | Tanaka, Takayuki (1519) | Won 2-0 | +181521 |
| 7sealed | 112 | Kim, Young-jun (1534) | Lost 1-2 | -181503 |
| average opponent: 1526record: 3-3-1 | new rating: 1503 | |||