Tanaka, Keiichi
Current rating: 1365
Record: 8-17-1
| Grand Prix Kobe 2017 (modern) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 679 | Maeda, Masaki (1447) | Lost 1-2 | -181403 |
| 2modern | 941 | Yamamura, Mitsutoshi (1223) | Lost 1-2 | -211382 |
| 3modern | 1306 | Hiramitu, Ryosuke (1433) | Lost 1-2 | -171365 |
| top | average opponent: 1368record: 0-3 | new rating: 1365 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 714 | Miyazaki, Takahiro (1500) | Won 2-1 | +201432 |
| 2legacy | 102 | Isurugi, Hideyuki (1643) | Won 2-1 | +221454 |
| 3legacy | 372 | Uechi, Shintaro (1538) | Lost 0-2 | -171437 |
| 4legacy | 519 | Yamagata, Kouhei (1515) | Lost 1-2 | -161421 |
| top | average opponent: 1549record: 2-2 | new rating: 1421 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1438 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 140 | Suzuki, Issei (1590) | Lost 0-2 | -151423 |
| 2standard | 1078 | Shimoguchi, Motofumi (1542) | Lost 0-2 | -161407 |
| 3standard | 1607 | Hosokawa, Takahiro (1365) | Won 2-0 | +171424 |
| 4standard | 1480 | Okamoto, Jin (1766) | Lost 0-2 | -121412 |
| top | average opponent: 1566record: 1-3 | new rating: 1412 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 183 | Ogino, Genki (1500) | Lost 1-2 | -181456 |
| 2standard | 875 | Kurahashi, Takumi (1452) | Won 2-0 | +181474 |
| 3standard | 908 | Yamaguchi, Naohiro (1409) | Lost 0-2 | -191455 |
| 4standard | 1114 | Mihashi, Takanobu (1533) | Lost 0-2 | -171438 |
| top | average opponent: 1473record: 1-3 | new rating: 1438 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 783 | Morimoto, Takeshi (1500) | Lost 0-2 | -171429 |
| 2legacy | 811 | Shigehisa, Tetsuya (1598) | Won 2-0 | +211450 |
| 3legacy | 789 | Koga, Takashi (1501) | Won 2-0 | +191469 |
| 4legacy | 713 | Sugisawa, Tsuyoshi (1553) | Draw 1-1 | +11470 |
| 5legacy | 706 | Hara, Kazuma (1488) | Won 2-0 | +191489 |
| 6legacy | 636 | Takahashi, Osamu (1558) | Lost 0-2 | -171472 |
| 7legacy | 711 | Kawai, Ryo (1514) | Won 2-0 | +191491 |
| 8legacy | 645 | Kentarou, Monma (1541) | Lost 0-2 | -171474 |
| top | average opponent: 1532record: 4-3-1 | new rating: 1474 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 80 | Komeda, Hiroshi (1500) | Lost 1-2 | -181482 |
| 2sealed | 370 | Yoshida, Masashi (1480) | Lost 0-2 | -181464 |
| 3sealed | 461 | Inoue, Seiya (1463) | Lost 0-2 | -181446 |
| top | average opponent: 1481record: 0-3 | new rating: 1446 | ||