Koba, Kenichiro
Current rating: 1337
Record: 3-12
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 241 | Ikarashi, Satoru (1496) | Lost 0-2 | -171423 |
| 2standard | 779 | Katayama, Yuuya (1473) | Lost 1-2 | -171406 |
| 3standard | 1222 | Kurushima, Atuhiko (1467) | Lost 1-2 | -171389 |
| 4standard | 1163 | Fukunaga, Nao (1404) | Lost 0-2 | -171372 |
| 5standard | 1084 | Suzuki, Takuto (1390) | Lost 1-2 | -181354 |
| 6standard | 964 | Sekimoto, Wataru (1410) | Lost 1-2 | -171337 |
| average opponent: 1440record: 0-6 | new rating: 1337 | |||
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1101 | Yoshimura, Yutaka (1391) | Lost 0-2 | -201480 |
| 2modern | 1148 | Fuse, Toshinori (1482) | Won 2-0 | +181498 |
| 3modern | 927 | Kurokawa, Ryushi (1472) | Won 2-0 | +181516 |
| 4modern | 1012 | Sano, Keisuke (1436) | Lost 1-2 | -201496 |
| 5modern | 1031 | Kanehira, Haruki (1380) | Lost 0-2 | -201476 |
| 6modern | 1046 | Yamamoto, Keiichi (1482) | Lost 1-2 | -181458 |
| 7modern | 1027 | Nishimoto, Ryota (1467) | Won 2-1 | +181476 |
| 8modern | 951 | Arai, Yuma (1482) | Lost 1-2 | -181458 |
| 9modern | 938 | Yoshizawa, Kohei (1462) | Lost 0-2 | -181440 |
| average opponent: 1450record: 3-6 | new rating: 1440 | |||