Taneichi, Hidenori
Current rating: 1425
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 35 | Sato, Yoshimasa (1500) | Won 2-1 | +191475 |
| 2sealed | 54 | Yamashita, Hiroki (1453) | Lost 1-2 | -191456 |
| 3sealed | 179 | Suzuki, Ryuuichi (1481) | Won 2-1 | +191475 |
| 4sealed | 87 | Satou, Yuuryou (1549) | Lost 1-2 | -171458 |
| 5sealed | 149 | Ebitani, Keisuke (1493) | Lost 0-2 | -171441 |
| 6sealed | 157 | Matsumura, Takehiko (1516) | Lost 0-2 | -171424 |
| 7sealed | 144 | Tano, Fumiaki (1420) | Won 2-1 | +181442 |
| 8sealed | 112 | Koganemaru, Akinori (1482) | Lost 0-2 | -171425 |
| top | average opponent: 1487record: 3-5 | new rating: 1425 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 86 | Mizuno, Masahito (1538) | Lost 0-2 | -161431 |
| 2sealed | 300 | Tamura, Takashi (1482) | Lost 0-2 | -171414 |
| 3sealed | 283 | Kawasaki, Tetsuharu (1465) | Won 2-0 | +191433 |
| 4sealed | 271 | Nozaki, Yoshinori (1483) | Won 2-0 | +191452 |
| 5sealed | 202 | Yui, Kaoru (1502) | Lost 0-2 | -171435 |
| 6sealed | 163 | Nitta, Kazumasa (1483) | Lost 0-2 | -171418 |
| 7sealed | 154 | Sasaki, Kuniaki (1464) | Won 2-0 | +181436 |
| 8sealed | 90 | Ueda, Shigeki (1528) | Won 2-1 | +201456 |
| top | average opponent: 1493record: 4-4 | new rating: 1456 | ||
| Grand Prix Sendai 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 85 | Adachi, Shingo (1564) | Lost 0-2 | -171483 |
| 2extended | 124 | Hanada, Haruki (1480) | Lost 0-1 | -181465 |
| 3extended | 174 | Hanamura, Hiroto (1464) | Lost 1-2 | -181447 |
| 4extended | 196 | Suzuki, Chitoku (1446) | Draw 1-1 | 01447 |
| 5extended | 185 | Un'No, Akihiro (1462) | Draw 1-1 | 01447 |
| top | average opponent: 1483record: 0-3-2 | new rating: 1447 | ||