Yamaguchi, Wataru
Current rating: 1428
Record: 3-7-1
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 31 | Torii, Yuto (1561) | Lost 1-2 | -171463 |
| 2standard | 632 | Adachi, Yoshizumi (1410) | Won 2-1 | +171480 |
| 3standard | 705 | Shiina, Daisuke (1457) | Lost 0-2 | -181462 |
| 4standard | 1210 | Tamura, Hajime (1526) | Lost 0-2 | -171445 |
| 5standard | 1195 | Inoue, Reiichi (1467) | Lost 1-2 | -171428 |
| average opponent: 1484record: 1-4 | new rating: 1428 | |||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 318 | Ookado, Motoyuki (1500) | Draw 1-1 | 01500 |
| 2legacy | 514 | Okasaki, Gota (1500) | Lost 0-2 | -181482 |
| 3legacy | 1023 | Iwasaki, Yuichi (1429) | Lost 1-2 | -191463 |
| 4legacy | 1096 | Itagaki, Yota (1449) | Won 2-0 | +181481 |
| 5legacy | 951 | Nagakita, Makoto (1496) | Won 2-1 | +181499 |
| 6legacy | 746 | Wong, Alfred (1432) | Lost 1-2 | -191480 |
| average opponent: 1468record: 2-3-1 | new rating: 1480 | |||