Mitoma, Koji
Current rating: 1589
Record: 12-8
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 25 | Terawaki, Koji (1520) | Won 2-1 | +191501 |
| 2standard | 170 | Takahashi, Ryouhei (1530) | Lost 0-2 | -181483 |
| 3standard | 336 | Hattori, Kazuki (1559) | Lost 0-2 | -161467 |
| 4standard | 462 | Lahtela, Samu (1481) | Won 2-1 | +181485 |
| 5standard | 437 | Sengan, Takashi (1499) | Won 2-0 | +181503 |
| 6standard | 261 | Kawamoto, Norifumi (1517) | Won 2-0 | +191522 |
| 7standard | 121 | Yamada, Toshihiro (1520) | Won 2-1 | +181540 |
| 8standard | 108 | Tanimoto, Yusaku (1635) | Won 2-0 | +191559 |
| 9standard | 69 | Yoshinaga, Mitsuteru (1790) | Won 2-1 | +221581 |
| 10standard | 69 | Isogami, Kazuma (1598) | Lost 0-2 | -171564 |
| 11standard | 66 | Kimonji, Hiroki (1567) | Won 2-0 | +181582 |
| 12standard | 44 | Yamamoto, Kouhei (1717) | Won 2-1 | +201602 |
| 13standard | 40 | Omonishi, Kojiro (1516) | Lost 1-2 | -191583 |
| 14standard | 38 | Endo, Jun'Ichi (1680) | Won 2-0 | +191602 |
| 15standard | 45 | Yamamoto, Akimasa (1860) | Lost 1-2 | -131589 |
| average opponent: 1599record: 10-5 | new rating: 1589 | |||
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 52 | Hamada, Masaki (1500) | Won 2-0 | +181518 |
| 2extended | 48 | Ishimaru, Ken (1609) | Lost 1-2 | -161502 |
| 3extended | 52 | Shoji, Kenta (1468) | Won 2-1 | +171519 |
| 4extended | 85 | Matsuoka, Tomohide (1548) | Lost 0-2 | -171502 |
| 5extended | 96 | Nagata, Satoshi (1428) | Lost 1-2 | -201482 |
| average opponent: 1511record: 2-3 | new rating: 1482 | |||