Kamei, Tomotake
Current rating: 1367
Record: 12-24-1
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1352 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 114 | Tamura, Yuta (1481) | Lost 0-2 | -151337 |
| 2pioneer | 595 | Jinno, Kaname (1604) | Won 2-1 | +221359 |
| 3pioneer | 631 | Mizoguchi, Yusuke (1502) | Won 2-0 | +211380 |
| 4pioneer | 527 | Komiyama, Kouhei (1485) | Lost 0-2 | -161364 |
| 5pioneer | 424 | Inoue, Yuta (1484) | Won 2-1 | +201384 |
| 6pioneer | 417 | Hirosawa, Yuki (1414) | Lost 0-2 | -171367 |
| top | average opponent: 1495record: 3-3 | new rating: 1367 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1363 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 65 | Kayano, Akira (1413) | Won 2-1 | +191382 |
| 2standard | 94 | Kaneko, Takayuki (1433) | Lost 1-2 | -181364 |
| 3standard | 752 | Tanaka, Akitoshi (1447) | Lost 1-2 | -161348 |
| 4standard | 876 | Atsumi, Takashi (1519) | Won 2-0 | +211369 |
| 5standard | 633 | Ushida, Chihiro (1441) | Lost 1-2 | -171352 |
| top | average opponent: 1450record: 2-3 | new rating: 1352 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1333 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 271 | Kouge, Kazuhiro (1610) | Won 2-1 | +231356 |
| 2modern | 166 | Iwata, Hiromichi (1631) | Draw 1-1 | +51361 |
| 3modern | 684 | Taniguchi, Yuki (1476) | Won 2-1 | +201381 |
| 4modern | 360 | Zhao, Tianyu (1649) | Won 2-0 | +231404 |
| 5modern | 173 | Oku, Daisaku (1450) | Lost 1-2 | -181386 |
| 6modern | 403 | Yoshihara, Tomoki (1572) | Lost 0-2 | -141372 |
| 7modern | 631 | Masuda, Keigo (1543) | Won 2-1 | +211393 |
| 8modern | 436 | Maeda, Kaname (1576) | Lost 1-2 | -151378 |
| 9modern | 606 | Kashima, Yuuki (1516) | Lost 0-2 | -151363 |
| top | average opponent: 1558record: 4-4-1 | new rating: 1363 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1379 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 133 | Mochizuki, Yuki (1597) | Lost 0-2 | -151364 |
| 2sealed | 416 | Yoshikawa, Kazuma (1482) | Lost 1-2 | -151349 |
| 3sealed | 534 | Sato, Hikaru (1469) | Lost 0-2 | -161333 |
| top | average opponent: 1516record: 0-3 | new rating: 1333 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 130 | Yoshioka, Norisato (1468) | Lost 1-2 | -181409 |
| 2modern | 358 | Keller, Thomas (1531) | Lost 0-2 | -151394 |
| 3modern | 550 | Yamauchi, Kaito (1465) | Won 2-0 | +191413 |
| 4modern | 463 | Terada, Kyouichi (1434) | Lost 0-2 | -181395 |
| 5modern | 467 | Kawakami, Tomohiro (1465) | Lost 1-2 | -161379 |
| top | average opponent: 1472record: 1-4 | new rating: 1379 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 34 | Kawakami, Kazuto (1745) | Lost 1-2 | -131418 |
| 2standard | 284 | Nakamura, Takahiro (1561) | Lost 0-2 | -151403 |
| 3standard | 508 | Hatanaka, Youhei (1463) | Lost 1-2 | -171386 |
| 4standard | 549 | Sugita, Daichi (1586) | Won 2-0 | +221408 |
| 5standard | 481 | Oshikawa, Kenshi (1464) | Won 2-0 | +191427 |
| top | average opponent: 1564record: 2-3 | new rating: 1427 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 206 | Sunaga, Ayumu (1500) | Lost 1-2 | -181482 |
| 2standard | 269 | Nakazono, Kouya (1485) | Lost 0-2 | -181464 |
| 3standard | 316 | Yanagisawa, Tadahiro (1611) | Lost 0-2 | -151449 |
| 4standard | 367 | Mori, Daisuke (1453) | Lost 0-2 | -181431 |
| top | average opponent: 1512record: 0-4 | new rating: 1431 | ||