Yamaguchi, Fumiya
Current rating: 1521
Record: 9-8
| Grand Prix Kobe 2017 (modern) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 159 | Urabe, Hirofumi (1432) | Won 2-0 | +171516 |
| 2modern | 358 | Yonezawa, Musashi (1796) | Lost 1-2 | -131503 |
| 3modern | 837 | Sugii, Fumiya (1467) | Won 2-1 | +171520 |
| 4modern | 907 | Tamaru, Daisuke (1374) | Lost 0-2 | -211499 |
| 5modern | 675 | Kobe, Shohei (1500) | Won 2-1 | +181517 |
| 6modern | 607 | Fukushima, Naoya (1531) | Lost 1-2 | -171500 |
| 7modern | 931 | Hozuki, Atsushi (1413) | Won 2-1 | +161516 |
| 8modern | 668 | Yamakawa, Yoshiyuki (1500) | Won 2-1 | +181534 |
| 9modern | 544 | Norimasa, Norimasa (1544) | Won 2-0 | +181552 |
| 10modern | 329 | Xiao, Han (1809) | Lost 1-2 | -131539 |
| 11modern | 329 | Saito, Toru (1584) | Lost 0-2 | -181521 |
| average opponent: 1541record: 6-5 | new rating: 1521 | |||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 362 | Hashimoto, Kazuki (1415) | Won 2-1 | +161516 |
| 2standard | 149 | Yamagishi, Tetsuya (1543) | Lost 0-2 | -171499 |
| 3standard | 861 | Fukui, Kouichirou (1498) | Won 2-0 | +181517 |
| 4standard | 389 | Kobata, Tomoaki (1502) | Won 2-0 | +181535 |
| 5standard | 239 | Tanaka, Shinichi (1571) | Lost 0-2 | -181517 |
| 6standard | 391 | Mori, Fuminori (1501) | Lost 0-2 | -181499 |
| average opponent: 1505record: 3-3 | new rating: 1499 | |||