Kamei, Hidenori
Current rating: 1273
Record: 24-43-2
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1353 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 399 | Takazawa, Takafumi (1500) | Lost 1-2 | -161337 |
| 2pioneer | 477 | Moriyama, Wataru (1481) | Lost 0-2 | -151322 |
| 3pioneer | 723 | Ichii, Hiroaki (1448) | Lost 1-2 | -161306 |
| 4pioneer | 785 | Ishihama, Yuki (1292) | Lost 1-2 | -181288 |
| 6pioneer | 642 | Tanaka, Toshimitsu (1448) | Lost 0-2 | -151273 |
| top | average opponent: 1434record: 0-5 | new rating: 1273 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1396 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 95 | Jinno, Kaname (1642) | Lost 0-2 | -131383 |
| 2standard | 455 | Ichino, Takahito (1622) | Lost 0-2 | -141369 |
| 3standard | 805 | Itazu, Yoshihisa (1460) | Lost 0-2 | -161353 |
| top | average opponent: 1575record: 0-3 | new rating: 1353 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 74 | Honda, Takeshi (1484) | Lost 1-2 | -171429 |
| 2standard | 711 | Hiramatsu, Yuki (1482) | Lost 1-2 | -171412 |
| 3standard | 960 | Imaoka, Syoichi (1554) | Lost 1-2 | -161396 |
| top | average opponent: 1507record: 0-3 | new rating: 1396 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 487 | Mori, Kazumasa (1468) | Won 2-0 | +181494 |
| 2legacy | 89 | Furukawa, Kai (1738) | Lost 0-2 | -141480 |
| 3legacy | 360 | Sekine, Hiroya (1464) | Won 2-0 | +181498 |
| 4legacy | 255 | Endo, Takumi (1516) | Lost 1-2 | -181480 |
| 5legacy | 378 | Ogawa, Masaru (1508) | Lost 1-2 | -171463 |
| 6legacy | 421 | Namba, Ryo (1499) | Lost 0-2 | -171446 |
| 7legacy | 446 | Fujinami, Naohiro (1464) | Lost 1-2 | -181428 |
| 8legacy | 436 | Sakai, Takanori (1448) | Won 2-0 | +181446 |
| top | average opponent: 1513record: 3-5 | new rating: 1446 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 542 | Kabeshita, Yoshito (1556) | Won 2-1 | +201441 |
| 4modern | 103 | Nakano, Akinori (1544) | Won 2-0 | +201461 |
| 5modern | 42 | Saito, Shinya (1982) | Lost 0-2 | -91452 |
| 6modern | 268 | Kawasaki, Hirotaka (1680) | Won 2-1 | +221474 |
| 7modern | 85 | Kouno, Masami (1571) | Lost 1-2 | -161458 |
| 8modern | 372 | Ozaki, Takafumi (1561) | Lost 0-2 | -161442 |
| 9modern | 396 | Komatsu, Masahito (1500) | Won 2-0 | +191461 |
| 10modern | 385 | Pejanovic Nosaka, Tomo (1486) | Won 2-1 | +181479 |
| 11modern | 190 | Matsuyama, Tsubasa (1580) | Lost 1-2 | -161463 |
| 12modern | 233 | Taniguchi, Yuta (1543) | Won 2-0 | +191482 |
| 13modern | 188 | Tashiro, Kouichi (1705) | Lost 0-2 | -141468 |
| 14modern | 221 | Mostek, Sten-Magnus (1807) | Lost 0-2 | -121456 |
| 15modern | 215 | Tsuda, Seiya (1551) | Won 2-0 | +201476 |
| top | average opponent: 1620record: 7-6 | new rating: 1476 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1378 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1040 | Asai, Toshiharu (1451) | Won 2-0 | +191397 |
| 2modern | 922 | Fujii, Kento (1518) | Won 2-1 | +201417 |
| 3modern | 740 | Muto, Masaharu (1719) | Lost 1-2 | -131404 |
| 4modern | 892 | Tachibana, Kentarou (1458) | Lost 0-2 | -171387 |
| 5modern | 1001 | Shimada, Masahiko (1743) | Lost 0-2 | -111376 |
| 6modern | 1080 | Yoshizawa, Kohei (1482) | Won 2-1 | +201396 |
| 7modern | 954 | Yasufuku, Akihiro (1659) | Lost 0-2 | -141382 |
| 8modern | 941 | Kosaka, Ryohei (1485) | Won 2-0 | +201402 |
| 9modern | 891 | Takechi, Takumi (1449) | Won 2-0 | +191421 |
| top | average opponent: 1551record: 5-4 | new rating: 1421 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1402 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 277 | Nakamura, Kiyonari (1508) | Won 2-1 | +201422 |
| 2standard | 170 | Sakajo, Yasuhisa (1584) | Lost 0-2 | -151407 |
| 3standard | 226 | Kawasumi, Yuuki (1499) | Lost 0-2 | -171390 |
| 4standard | 396 | Yasufuku, Akihiro (1516) | Lost 1-2 | -151375 |
| 5standard | 389 | Nagae, Hiroyuki (1448) | Won 2-0 | +191394 |
| 6standard | 288 | Takemoto, Kousuke (1483) | Lost 1-2 | -161378 |
| top | average opponent: 1506record: 2-4 | new rating: 1378 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 90 | Mizuno, Akimitsu (1451) | Lost 0-2 | -171412 |
| 2extended | 119 | Aoki, Yasunori (1482) | Lost 0-2 | -171395 |
| 3extended | 170 | Aritomo, Taiki (1463) | Lost 0-2 | -171378 |
| 4extended | 186 | Sato, Yuuki (1444) | Won 2-1 | +191397 |
| 5extended | 168 | Tanii, Yuusuke (1446) | Lost 0-2 | -171380 |
| 6extended | 152 | Okabe, Kazuyuki (1447) | Won 2-1 | +201400 |
| 7extended | 118 | Akamine, Toshihiro (1462) | Won 2-1 | +191419 |
| 8extended | 92 | Sakakibara, Satoshi (1476) | Lost 0-2 | -171402 |
| top | average opponent: 1459record: 3-5 | new rating: 1402 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 90 | Fujiwara, Satoshi (1434) | Lost 0-2 | -191445 |
| 2sealed | 296 | Nakano, Shin (1434) | Won 2-1 | +181463 |
| 3sealed | 207 | Sogabe, Ippei (1575) | Lost 0-2 | -161447 |
| 4sealed | 226 | Ito, Ryota (1434) | Won 2-1 | +181465 |
| 5sealed | 138 | Ishida, Atsushi (1501) | Lost 0-2 | -181447 |
| 6sealed | 181 | Nishimura, Masaaki (1451) | Lost 0-2 | -181429 |
| top | average opponent: 1471record: 2-4 | new rating: 1429 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 73 | Tajiri, Satoshi (1520) | Won 2-1 | +181518 |
| 2extended | 44 | Matoba, Takashi (1539) | Lost 0-2 | -171501 |
| 3extended | 124 | Kishimoto, Yuuichi (1483) | Lost 1-2 | -191482 |
| 4extended | 173 | Shiraishi, Naotsugu (1482) | Lost 0-2 | -181464 |
| 5extended | 173 | Matsuo, Yoshinori (1418) | Draw 1-1 | 01464 |
| 6extended | 146 | Omori, Ken'ichirou (1466) | Won 2-0 | +181482 |
| 7extended | 117 | Tomihara, Shinsuke (1491) | Draw 1-1 | 01482 |
| 8extended | 98 | Yamada, Yasuo (1469) | Lost 0-2 | -181464 |
| top | average opponent: 1484record: 2-4-2 | new rating: 1464 | ||