Katsuda, Hiroshi
Current rating: 1411
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 49 | Yamamoto, Eiji (1500) | Lost 0-2 | -181438 |
| 2standard | 348 | Suzuki, Toshitaka (1481) | Won 2-1 | +191457 |
| 3standard | 254 | Maeda, Takashi (1503) | Won 2-0 | +191476 |
| 4standard | 199 | Yamaguchi, Satoshi (1560) | Lost 0-2 | -161460 |
| 5standard | 279 | Takeuchi, Shuuji (1499) | Lost 1-2 | -181442 |
| 6standard | 270 | Tatsumi, Yasukazu (1528) | Draw 1-1 | +21444 |
| 7standard | 227 | Tanaka, Yousuke (1608) | Lost 0-1 | -151429 |
| 8standard | 200 | Mochizuki, Kazuhiro (1428) | Lost 0-2 | -181411 |
| top | average opponent: 1513record: 2-5-1 | new rating: 1411 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1409 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 98 | Yamada, Hiroki (1480) | Lost 1-2 | -171392 |
| 2sealed | 206 | Oshima, Hideaki (1482) | Won 2-0 | +201412 |
| 3sealed | 141 | Sasaki, Masato (1500) | Won 2-1 | +191431 |
| 4sealed | 151 | Saito, Kaoru (1519) | Draw 1-1 | +21433 |
| 5sealed | 127 | Otani, Makoto (1523) | Won 2-0 | +201453 |
| 6sealed | 73 | Kamioka, Ryosuke (1534) | Won 2-0 | +191472 |
| 7sealed | 43 | Orihara, Jun (1562) | Lost 0-2 | -161456 |
| top | average opponent: 1514record: 4-2-1 | new rating: 1456 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 35 | Kimura, Kazuhito (1500) | Lost 0-2 | -181482 |
| 2sealed | 314 | Inoue, Hideyuki (1412) | Lost 1-2 | -191463 |
| 3sealed | 300 | Shintani, Teppei (1463) | Lost 0-2 | -181445 |
| 4sealed | 306 | Yamashita, Kiyotaka (1445) | Lost 0-2 | -181427 |
| 5sealed | 274 | Ueta, Osamu (1429) | Won 2-0 | +181445 |
| 6sealed | 226 | Hattori, Masahiro (1447) | Draw 1-1 | 01445 |
| 7sealed | 184 | Matsumura, Takehiko (1459) | Lost 1-2 | -181427 |
| 8sealed | 153 | Kato, Nobuyoshi (1409) | Lost 1-2 | -181409 |
| top | average opponent: 1445record: 1-6-1 | new rating: 1409 | ||