Kawamorita, Yoshiyuki
Current rating: 1434
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 347 | Shingo, Tanaka (1522) | Won 2-1 | +191486 |
| 2sealed | 474 | Masui, Norioki (1458) | Lost 0-2 | -181468 |
| 3sealed | 996 | Ichisugi, Shingo (1500) | Won 2-1 | +181486 |
| 4sealed | 386 | Kono, Jun (1518) | Lost 0-2 | -171469 |
| 5sealed | 616 | Ideguchi, Yasuhiro (1521) | Lost 1-2 | -171452 |
| 6sealed | 792 | Hamaguchi, Shoji (1427) | Lost 1-2 | -181434 |
| top | average opponent: 1491record: 2-4 | new rating: 1434 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 248 | Tanaka, Hitoshi (1500) | Lost 0-2 | -181467 |
| top | record: 0-1 | new rating: 1467 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 631 | Yamazaki, Masakazu (1500) | Won 2-0 | +181518 |
| 2sealed | 697 | Kawakami, Kazuto (1724) | Lost 1-2 | -141504 |
| 3sealed | 937 | Takao, Syunya (1470) | Lost 1-2 | -191485 |
| top | average opponent: 1565record: 1-2 | new rating: 1485 | ||