Chuujou, Yoshihiko
Current rating: 1473
Record: 19-21
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 51 | Tajiri, Jun (1500) | Won 2-0 | +171549 |
| 2extended | 51 | Okutomi, Hiromitsu (1402) | Lost 0-2 | -201529 |
| 3extended | 86 | Fujikawa, Yousuke (1500) | Lost 0-2 | -191510 |
| 4extended | 100 | Matsumura, Takehiko (1571) | Won 2-1 | +191529 |
| 5extended | 79 | Kounoike, Masaki (1471) | Lost 1-2 | -191510 |
| 6extended | 92 | Kawate, Junpei (1485) | Lost 1-2 | -181492 |
| 7extended | 89 | Moto, Mitsuo (1460) | Lost 0-2 | -191473 |
| top | average opponent: 1484record: 2-5 | new rating: 1473 | ||
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 93 | Arai, Yasuhiko (1500) | Won 2-0 | +191508 |
| 2block | 49 | Iino, Keisuke (1518) | Won 2-1 | +181526 |
| 3block | 50 | Shimoji, Ai (1550) | Lost 0-2 | -181508 |
| 4block | 85 | Obara, Takahiro (1536) | Won 2-1 | +191527 |
| 5block | 49 | Shibuya, Tsutomu (1569) | Won 2-1 | +181545 |
| 6block | 57 | Oks, Oliver (1679) | Lost 0-2 | -151530 |
| 7block | 65 | Satou, Kenji (1628) | Lost 0-2 | -161514 |
| 8block | 93 | Hirokawa, Tatsuya (1526) | Won 2-1 | +181532 |
| top | average opponent: 1563record: 5-3 | new rating: 1532 | ||
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 89 | Mukai, Masayuki (1500) | Won 2-1 | +191459 |
| 2sealed | 92 | Ito, Hidetoshi (1423) | Won 2-0 | +171476 |
| 3sealed | 59 | Takebayashi, Tomo (1543) | Won 2-1 | +201496 |
| 4sealed | 33 | Kamei, Shunsuke (1601) | Lost 1-2 | -161480 |
| 5sealed | 43 | Iyanaga, Junya (1613) | Won 2-0 | +201500 |
| 6sealed | 52 | Kaji, Tomohiro (1808) | Won 2-0 | +231523 |
| 7sealed | 19 | Imamura, Taichirou (1582) | Lost 1-2 | -171506 |
| 8sealed | 42 | Shimizu, Kouichi (1554) | Lost 1-2 | -171489 |
| top | average opponent: 1578record: 5-3 | new rating: 1489 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 91 | Hidaka, Yuusuke (1427) | Won 2-1 | +171512 |
| 2standard | 134 | Murata, Daisuke (1583) | Lost 1-2 | -171495 |
| 3standard | 352 | Mizuno, Eiji (1498) | Lost 0-2 | -181477 |
| 4standard | 309 | Watanabe, Taiga (1463) | Lost 1-2 | -181459 |
| 5standard | 374 | Noguchi, Keita (1433) | Lost 0-2 | -191440 |
| 6standard | 344 | Yoshida, Kenichi (1446) | Won 2-0 | +181458 |
| 7standard | 281 | Tatsuhara, Satoshi (1513) | Lost 1-2 | -171441 |
| 8standard | 245 | Yasukawa, Kazuhide (1359) | Lost 1-2 | -191422 |
| 9standard | 205 | Seki, Yuujiro (1426) | Won 2-0 | +181440 |
| top | average opponent: 1461record: 3-6 | new rating: 1440 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 7 | Obayashi, Naoki (1411) | Lost 0-2 | -201480 |
| 2extended | 142 | Ogihara, Toshiki (1482) | Lost 0-2 | -181462 |
| 3extended | 176 | Toda, Satoshi (1464) | Lost 1-2 | -181444 |
| 4extended | 187 | Yoshida, Mitsutaka (1294) | Won 2-0 | +161460 |
| 5extended | 166 | Shiba, Norihito (1416) | Won 2-0 | +171477 |
| 6extended | 129 | Takagaki, Naomasa (1478) | Won 2-0 | +181495 |
| 7extended | 94 | Wakuda, Hiroyasu (1492) | Lost 1-2 | -181477 |
| 8extended | 98 | Takahashi, Katsuhiko (1478) | Won 2-1 | +181495 |
| top | average opponent: 1439record: 4-4 | new rating: 1495 | ||