Kato, Ryuji
Current rating: 1484
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 122 | Aoki, Yousaku (1581) | Won 2-0 | +191536 |
| 2standard | 37 | Haruta, Shota (1518) | Lost 0-2 | -181518 |
| 3standard | 218 | Hojo, Naomasa (1645) | Lost 1-2 | -161502 |
| 4standard | 353 | Yorita, Masashi (1483) | Lost 1-2 | -181484 |
| top | average opponent: 1557record: 1-3 | new rating: 1484 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 209 | Hashizume, Nobuyuki (1500) | Lost 1-2 | -181500 |
| 2sealed | 201 | Deyama, Hirofumi (1372) | Won 2-1 | +151515 |
| 3sealed | 118 | Bandou, Junichirou (1589) | Won 2-0 | +201535 |
| 4sealed | 89 | Kurono, Kiyotoshi (1540) | Lost 1-2 | -181517 |
| top | average opponent: 1500record: 2-2 | new rating: 1517 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 340 | Matsubayashi, Hidetada (1500) | Won 2-0 | +181518 |
| 2block | 22 | Yamada, Kazuhiro (1518) | Won 2-0 | +181536 |
| 3block | 120 | Yuasa, Kentarou (1500) | Lost 0-2 | -191517 |
| 4block | 228 | Ishida, Makoto (1500) | Won 2-1 | +181535 |
| 5block | 100 | Horie, Takashi (1536) | Draw 1-1 | 01535 |
| 6block | 185 | Sumita, Masanobu (1608) | Lost 0-2 | -171518 |
| 7block | 255 | Ichida, Mitsuhiro (1517) | Won 2-0 | +181536 |
| 8block | 181 | Hayashi, Hiroki (1516) | Lost 0-2 | -181518 |
| 9block | 181 | Takeyama, Shigemichi (1521) | Draw 1-1 | 01518 |
| top | average opponent: 1524record: 4-3-2 | new rating: 1518 | ||