Yamamoto, Yukihiko
Current rating: 1451
Record: 3-6-1
| Grand Prix Kobe 2017 (modern) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 414 | Banno, Kunihiko (1524) | Lost 0-2 | -171448 |
| 2modern | 782 | Uchino, Gaku (1446) | Draw 1-1 | 01448 |
| 3modern | 1167 | Ohnishi, Jyunpei (1654) | Lost 0-2 | -151433 |
| 4modern | 1242 | Urabe, Hirofumi (1399) | Won 2-1 | +181451 |
| 5modern | 1090 | Ushijima, Syun (1430) | Won 2-0 | +171468 |
| 6modern | 847 | Sakakura, Katsuya (1485) | Lost 0-2 | -171451 |
| average opponent: 1490record: 2-3-1 | new rating: 1451 | |||
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1073 | Hanano, Tetsuaki (1498) | Won 2-1 | +181518 |
| 2modern | 934 | Iwata, Hiromichi (1551) | Lost 1-2 | -171501 |
| 3modern | 941 | Matsui, Takashi (1499) | Lost 0-2 | -181483 |
| 4modern | 1194 | Sugita, Kazuki (1480) | Lost 1-2 | -181465 |
| average opponent: 1507record: 1-3 | new rating: 1465 | |||