Tanaka, Ryouhei
Current rating: 1422
Record: 14-20-1
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 386 | Kawa, Hirokazu (1436) | Lost 1-2 | -191452 |
| 2standard | 594 | Nishikawa, Satoshi (1493) | Lost 1-2 | -171435 |
| 3standard | 1224 | Sekimoto, Yasunari (1466) | Lost 0-2 | -171418 |
| 4standard | 1160 | Noda, Toshiaki (1428) | Won 2-1 | +181436 |
| 5standard | 982 | Hirano, Satohiro (1464) | Lost 1-2 | -181418 |
| 6standard | 936 | Hayashi, Katsuji (1534) | Won 2-1 | +201438 |
| 7standard | 769 | Morizane, Hitoshi (1373) | Won 2-0 | +171455 |
| 8standard | 602 | Nomoto, Hidetaka (1637) | Lost 1-2 | -151440 |
| 9standard | 516 | Shimada, Katsuhiro (1424) | Lost 0-2 | -181422 |
| top | average opponent: 1473record: 3-6 | new rating: 1422 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 224 | Shimizu, Haruo (1500) | Draw 1-1 | +11485 |
| 2sealed | 302 | Imura, Satoshi (1620) | Lost 0-2 | -161469 |
| 3sealed | 425 | Urakami, Takayuki (1482) | Won 2-0 | +181487 |
| 4sealed | 360 | Aono, Yoshio (1575) | Lost 1-2 | -161471 |
| top | average opponent: 1544record: 1-2-1 | new rating: 1471 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Komure, Shinya (1500) | Won 2-1 | +191471 |
| 2sealed | 30 | Sakamoto, Sakito (1459) | Lost 1-2 | -181453 |
| 3sealed | 130 | Iwamoto, Ryouma (1498) | Lost 0-2 | -171436 |
| 4sealed | 175 | Sasaki, Yuusuke (Hyogo) (1553) | Won 2-1 | +201456 |
| 5sealed | 158 | Yoshimura, Yuuki (1498) | Won 2-0 | +191475 |
| 6sealed | 95 | Yamasaki, Rintarou (1561) | Won 2-0 | +191494 |
| 7sealed | 90 | Yamamoto, Takahiro (1504) | Won 2-0 | +191513 |
| 8sealed | 47 | Senba, Kotaro (1675) | Won 2-1 | +201533 |
| 9draft | 10 | Miyaoka, Hiroyuki (1582) | Lost 1-2 | -171516 |
| 10draft | 40 | Kyo, Ifu (1633) | Lost 1-2 | -161500 |
| 12draft | 22 | Uchida, Momotarou (1600) | Won 2-1 | +201520 |
| 13draft | 31 | Suzuki, Ryuuichi (1435) | Lost 0-2 | -191501 |
| 14draft | 7 | Momiki, Hayami (1584) | Lost 0-2 | -171484 |
| top | average opponent: 1545record: 7-6 | new rating: 1484 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 216 | Fujisawa, Masashi (1567) | Won 0-0 | +201502 |
| 2sealed | 143 | Masuda, Masakazu (1559) | Lost 1-2 | -171485 |
| 3sealed | 181 | Aridome, Tomohiro (1813) | Lost 0-2 | -121473 |
| 4sealed | 232 | Nishimoto, Takuya (1420) | Won 2-1 | +171490 |
| 5sealed | 187 | Ryo, Tomohiro (1464) | Lost 1-2 | -191471 |
| 6sealed | 37 | Hayashi, Masashi (1432) | Lost 0-1 | -191452 |
| top | average opponent: 1543record: 2-4 | new rating: 1452 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 126 | Kashima, Koji (1468) | Won 2-0 | +171517 |
| 2block | 189 | Ide, Katsuhiro (1622) | Lost 0-2 | -161501 |
| 3block | 222 | Kumagai, Hiroaki (1440) | Lost 1-2 | -191482 |
| top | average opponent: 1510record: 1-2 | new rating: 1482 | ||