Tanaka, Jouji
Current rating: 1543
| Grand Prix Yokohama 2019 (modern) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 568 | Koshiko, Yuuya (1460) | Lost 0-2 | -201554 |
| 2modern | 808 | Takada, Narumasa (1512) | Lost 0-2 | -191535 |
| 3modern | 1160 | Hirata, Yoshihisa (1449) | Won 2-1 | +161551 |
| 4modern | 853 | Choi, Minseok (1293) | Lost 1-2 | -221529 |
| 5modern | 975 | Iyota, Makito (1317) | Won 2-1 | +141543 |
| top | average opponent: 1406record: 2-3 | new rating: 1543 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 738 | Kamei, Toshio (1536) | Lost 0-2 | -191577 |
| 2standard | 809 | Horita, Yoshiteru (1481) | Lost 0-2 | -201557 |
| 3standard | 1105 | Shiraishi, Masaharu (1640) | Won 2-0 | +201577 |
| 4standard | 974 | Sugiyama, Kouichi (1337) | Won 2-1 | +131590 |
| 5standard | 868 | Nakamura, Yusuke9902 (1657) | Lost 0-2 | -161574 |
| top | average opponent: 1530record: 2-3 | new rating: 1574 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 542 | Nomura, Takuma (1500) | Won 2-1 | +181518 |
| 2standard | 116 | Yamauchi, Takahiro (1604) | Won 2-1 | +201538 |
| 3standard | 668 | Sakamoto, Masaaki (1543) | Won 2-1 | +181556 |
| 4standard | 42 | Yamamoto, Kouhei (1548) | Lost 1-2 | -181538 |
| 5standard | 207 | Nakamoto, Kosuke (1698) | Won 2-1 | +201558 |
| 6standard | 235 | Omiya, Takahiro (1489) | Lost 0-2 | -191539 |
| 7standard | 282 | Higurashi, Yukinao (1515) | Won 2-1 | +181557 |
| 8standard | 367 | Futagawa, Shinichi (1555) | Won 2-1 | +181575 |
| 9standard | 140 | Narita, Kazushige (1567) | Won 2-1 | +181593 |
| 10standard | 72 | Shimizu, Syunya (1575) | Won 2-1 | +171610 |
| 11standard | 44 | Utsunomiya, Takumi (1656) | Lost 0-2 | -171593 |
| 12standard | 190 | Nakatani, Shinji (1778) | Won 2-1 | +211614 |
| 13standard | 79 | Hirabuki, Tomo (1597) | Lost 0-2 | -181596 |
| top | average opponent: 1587record: 9-4 | new rating: 1596 | ||