Hirayama, Masamichi
Current rating: 1579
Record: 10-7
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 201 | Yoshida, Kazushi (1887) | Won 2-1 | +241552 |
| 2legacy | 140 | Watanabe, Tomonari (1381) | Won 2-0 | +151567 |
| 3legacy | 52 | Arai, Makoto (1587) | Won 2-0 | +181585 |
| 4legacy | 66 | Xie, Zikai (1733) | Lost 0-2 | -151570 |
| 5legacy | 203 | Jansen, Vinnie (1544) | Lost 0-2 | -191551 |
| 6legacy | 228 | Omori, Ken'ichirou (1782) | Won 2-1 | +231574 |
| 7legacy | 163 | Harada, Sosuke (1620) | Lost 0-2 | -181556 |
| 8legacy | 276 | Tsuchiya, Hiroki (1792) | Won 2-0 | +231579 |
| average opponent: 1666record: 5-3 | new rating: 1579 | |||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 712 | Fujii, Kento (1322) | Lost 0-2 | -211479 |
| 2legacy | 783 | Suzuki, Akira6908 (1444) | Won 2-1 | +171496 |
| 3legacy | 756 | Nishizawa, Yasuhide (1624) | Won 2-1 | +201516 |
| 4legacy | 691 | Tamura, Ryo (1786) | Won 2-1 | +231539 |
| 5legacy | 309 | Sato, Takatoshi (1868) | Won 2-0 | +241563 |
| 6legacy | 93 | Morishima, Ryouta (1409) | Lost 1-2 | -211542 |
| 7legacy | 417 | Shimizu, Hiroaki 7321 (1536) | Won 2-0 | +181560 |
| 8legacy | 189 | Sun, Bo (1911) | Lost 0-2 | -121548 |
| 9legacy | 336 | Fusegi, Takanori (1406) | Lost 1-2 | -201528 |
| average opponent: 1590record: 5-4 | new rating: 1528 | |||