Yamaguchi, Sonomi
Current rating: 1458
Record: 7-10-1
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 316 | Takahashi, Akihiro (1484) | Won 2-0 | +181507 |
| 2legacy | 213 | Tamura, Hajime (1613) | Lost 0-2 | -161491 |
| 3legacy | 387 | Fujimoto, Hizashi (1500) | Lost 0-2 | -181473 |
| 4legacy | 385 | Hayashi, Tatsuya (1480) | Draw 1-1 | 01473 |
| 5legacy | 368 | Oono, Kai (1448) | Lost 0-2 | -181455 |
| 6legacy | 345 | Ooba, Hideto (1437) | Won 1-0 | +171472 |
| 7legacy | 279 | Ogata, Satoshi (1513) | Won 2-1 | +191491 |
| 8legacy | 208 | Wong, Weng Sheng (1728) | Lost 0-2 | -141477 |
| 9legacy | 198 | Uematsu, Ryou (1424) | Lost 1-2 | -191458 |
| average opponent: 1514record: 3-5-1 | new rating: 1458 | |||
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 307 | Sasaki, Yusuke 4501 (1500) | Won 2-1 | +181518 |
| 2modern | 187 | Suzuki, Tomoyuki (1619) | Won 2-0 | +201538 |
| 3modern | 185 | Miyahara, Syoutarou (1613) | Lost 0-2 | -171521 |
| 4modern | 344 | Okuyama, Shuhei (1463) | Lost 1-2 | -191502 |
| 5modern | 320 | Kobayashi, Yasuhisa (1528) | Lost 1-2 | -171485 |
| 6modern | 392 | Saitou, Kazuyuki (1626) | Won 2-1 | +201505 |
| 7modern | 317 | Yoshida, Hajime (1622) | Won 2-0 | +201525 |
| 8modern | 241 | Uesugi, Fumiya (1522) | Lost 0-2 | -181507 |
| 9modern | 237 | Matsuda, Issei (1499) | Lost 1-2 | -181489 |
| average opponent: 1555record: 4-5 | new rating: 1489 | |||