Katuki, Yuuichirou
Current rating: 1474
Record: 6-8
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 200 | Sato, Kimihiko (1565) | Won 2-1 | +191485 |
| 2sealed | 8 | Sumita, Masanobu (1605) | Won 2-0 | +211506 |
| 3sealed | 98 | Kagamihata, Atsushi (1559) | Lost 1-2 | -171489 |
| 4sealed | 113 | Ito, Yoshihiro (1529) | Won 2-0 | +181507 |
| 5sealed | 107 | Murakami, Yuuki (1647) | Won 2-0 | +211528 |
| 6sealed | 70 | Maruyama, Takaaki (1461) | Lost 0-2 | -191509 |
| 7sealed | 107 | Imura, Satoshi (1506) | Lost 0-2 | -181491 |
| 8sealed | 93 | Nishiwaki, Kazuhisa (1580) | Lost 0-2 | -171474 |
| average opponent: 1557record: 4-4 | new rating: 1474 | |||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 219 | Yanagi, Hiroki (1467) | Lost 1-2 | -191481 |
| 2sealed | 189 | Kobashi, Motoki (1527) | Lost 0-2 | -171464 |
| 3sealed | 275 | Nakagawa, Hiroki (1464) | Won 2-1 | +181482 |
| 4sealed | 207 | Okazaki, Yuuki (1465) | Lost 0-2 | -181464 |
| 5sealed | 244 | Yoshimura, Motoki (1435) | Won 2-0 | +171481 |
| 6sealed | 195 | Miyamae, Tsuyoshi (1603) | Lost 1-2 | -151466 |
| average opponent: 1493record: 2-4 | new rating: 1466 | |||