Higuchi, Kumi
Current rating: 1422
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 79 | Miyajima, Yoshitaka (1537) | Lost 0-2 | -171455 |
| 2sealed | 292 | Iiduka, Tarou (1483) | Won 2-0 | +191474 |
| 3sealed | 127 | Tanaka, Kazunori (1478) | Lost 1-2 | -181456 |
| 4sealed | 237 | Konagai, Ryota (1542) | Lost 0-2 | -171439 |
| 5sealed | 229 | Sei, Shunsuke (1447) | Lost 1-2 | -181421 |
| 6sealed | 193 | Watanabe, Masami (1451) | Won 2-1 | +191440 |
| 7sealed | 152 | Harada, Hiroshi (1457) | Lost 0-2 | -181422 |
| 8sealed | 131 | Ishii, Masashi (1417) | Draw 1-1 | 01422 |
| top | average opponent: 1476record: 2-5-1 | new rating: 1422 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 132 | Kozakai, Yukio (1509) | Won 2-1 | +191483 |
| 2sealed | 29 | Murayama, Terukazu (1519) | Lost 0-2 | -181465 |
| 3sealed | 127 | Sawada, Akane (1485) | Won 2-0 | +191484 |
| 4sealed | 90 | Abe, Yuuta (1519) | Lost 0-2 | -181466 |
| 5sealed | 153 | Komiyama, Hideki (1628) | Lost 0-2 | -151451 |
| 6sealed | 167 | Matsuda, Yuuki (1483) | Won 2-1 | +191470 |
| 7sealed | 133 | Ueda, Shigeki (1548) | Won 2-0 | +191489 |
| 8sealed | 118 | Shimizu, Hajime (1532) | Lost 0-2 | -171472 |
| top | average opponent: 1528record: 4-4 | new rating: 1472 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 37 | Terada, Atsushi (1522) | Lost 0-2 | -181482 |
| 2sealed | 269 | Aoki, Yousaku (1448) | Won 2-0 | +181500 |
| 3sealed | 239 | Matsunaga, Toshiro (1500) | Won 2-1 | +181518 |
| 4sealed | 147 | Yamasaki, Takao (1501) | Won 2-0 | +171535 |
| 5sealed | 123 | Maeda, Kota (1535) | Lost 0-2 | -181517 |
| 6sealed | 145 | Asahina, Yohei (1517) | Lost 0-2 | -181499 |
| 7sealed | 138 | Nonishi, Keiichiro (1519) | Lost 1-2 | -171482 |
| 8sealed | 127 | Koyama, Masamichi (1482) | Lost 1-2 | -181464 |
| top | average opponent: 1503record: 3-5 | new rating: 1464 | ||