Fukui, Kouichirou
Current rating: 1475
Record: 16-20-1
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 321 | Uzinawa, Hidenori (1500) | Won 2-0 | +181483 |
| 2pioneer | 102 | Kaga, Hiroyuki (1536) | Won 2-0 | +191502 |
| 3pioneer | 345 | Takahashi, Ryo 3906 (1779) | Lost 0-2 | -131489 |
| 4pioneer | 221 | Ogino, Genki (1398) | Won 2-1 | +171506 |
| 5pioneer | 236 | Okumura, Yuji (1770) | Lost 0-2 | -141492 |
| 6pioneer | 419 | Goto, Yuki (1531) | Lost 1-2 | -171475 |
| 7pioneer | 421 | Sato, Yuki (1441) | Won 2-0 | +171492 |
| 8pioneer | 319 | Sunaga, Masahiro (1535) | Lost 0-2 | -171475 |
| top | average opponent: 1561record: 4-4 | new rating: 1475 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1408 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 301 | Imai, Chisato (1444) | Won 2-0 | +181426 |
| 2standard | 348 | Okamura, Yoshiaki (1513) | Lost 0-2 | -161410 |
| 3standard | 581 | Nishikawa, Ryota (1584) | Won 2-1 | +211431 |
| 4standard | 610 | Wada, Yuusaku (1463) | Won 2-0 | +191450 |
| 5standard | 234 | Wentao, Qi (1867) | Won 2-0 | +251475 |
| 6standard | 203 | Yamamoto, Tetsuji (1793) | Won 2-0 | +231498 |
| 7standard | 102 | Kameyama, Takeshi (1499) | Won 2-1 | +181516 |
| 8standard | 38 | Arita, Kazuhiro (1768) | Lost 0-2 | -131503 |
| 9standard | 65 | Tanaka, Yuji (1619) | Lost 1-2 | -161487 |
| 10standard | 195 | Nakamura, Satoshi0186 (1722) | Lost 1-2 | -141473 |
| 11standard | 178 | Fujii, Yuusaku (1502) | Lost 1-2 | -171456 |
| 12standard | 177 | Nozaki, Taiki (1521) | Lost 1-2 | -171439 |
| 13standard | 166 | Semkin, Alexander (1748) | Lost 0-2 | -131426 |
| 14standard | 157 | Tomioka, Shota (1529) | Won 2-0 | +201446 |
| 15standard | 149 | Noji, Koichiro (1474) | Won 2-0 | +191465 |
| top | average opponent: 1603record: 8-7 | new rating: 1465 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 590 | Makita, Wataru4325 (1500) | Won 2-1 | +181478 |
| 2sealed | 190 | Nakamura, Naomichi (1467) | Lost 0-2 | -181460 |
| 3sealed | 870 | Kobayashi, Hiroaki (1419) | Lost 1-2 | -191441 |
| 4sealed | 1070 | Sashida, Tomoro (1521) | Lost 0-2 | -161425 |
| 5sealed | 1029 | Asao, Kazuki (1470) | Lost 0-2 | -171408 |
| top | average opponent: 1475record: 1-4 | new rating: 1408 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 439 | Tateyama, Masato (1367) | Lost 0-2 | -201480 |
| 2standard | 930 | Tsujimura, Akira (1480) | Won 2-0 | +181498 |
| 3standard | 861 | Yamaguchi, Fumiya (1499) | Lost 0-2 | -181480 |
| 4standard | 932 | Ikebata, Yusuke (1436) | Lost 0-2 | -191461 |
| 5standard | 1010 | Nishigchi, Hideki (1446) | Won 2-1 | +181479 |
| 6standard | 794 | Matsuda, Yuichi (1537) | Lost 1-2 | -171462 |
| 7standard | 775 | Suzuki, Takumi (1468) | Won 2-0 | +181480 |
| 8standard | 636 | Naito, Yuuki (1435) | Draw 1-1 | -11479 |
| 9standard | 509 | Ishikawa, Jun (1411) | Lost 0-2 | -191460 |
| top | average opponent: 1453record: 3-5-1 | new rating: 1460 | ||