Kodera, Yuki
Current rating: 1538
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 395 | Katayama, Yuuya (1490) | Won 2-0 | +171557 |
| 2standard | 155 | Terada, Tadashi (1518) | Lost 0-2 | -191538 |
| 3standard | 985 | Uchida, Kensuke (1441) | Won 2-0 | +161554 |
| 4standard | 618 | Mukuno, Yuuji (1723) | Lost 0-2 | -151539 |
| 5standard | 717 | Hashimoto, Ryunosuke (1499) | Won 2-1 | +181557 |
| 6standard | 468 | Tamai, Hideaki (1547) | Lost 1-2 | -191538 |
| top | average opponent: 1536record: 3-3 | new rating: 1538 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 218 | Muraoka, Goro (1412) | Won 2-1 | +171500 |
| 2legacy | 53 | Maeda, Takayuki (1311) | Lost 0-2 | -221478 |
| 3legacy | 365 | Matsunoki, Daisuke (1501) | Lost 1-2 | -171461 |
| 4legacy | 379 | Obi, Kengo (1483) | Won 2-1 | +181479 |
| 5legacy | 342 | Takayama, Kan (1585) | Won 2-0 | +201499 |
| 6legacy | 215 | Hirose, Yoshiyuki (1555) | Won 2-0 | +191518 |
| 7legacy | 134 | Nagai, Rikiya (1550) | Won 2-1 | +191537 |
| 8legacy | 71 | Tasaki, Yasuhiro (1436) | Won 2-1 | +161553 |
| 9legacy | 74 | Nose, Koji (1819) | Lost 0-2 | -131540 |
| top | average opponent: 1517record: 6-3 | new rating: 1540 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 196 | Suzuki, Seishiro (1500) | Lost 1-2 | -181482 |
| 2sealed | 318 | Kazumasa, Akihiro (1425) | Lost 1-2 | -191463 |
| 3sealed | 457 | Yamamoto, Ryo (1482) | Won 2-0 | +181481 |
| 4sealed | 382 | Ichijo, Kazuto (1379) | Won 2-1 | +161497 |
| 5sealed | 390 | Sakimura, Akihiko (1705) | Lost 0-2 | -141483 |
| top | average opponent: 1498record: 2-3 | new rating: 1483 | ||