Tamiya, Hiroki
Current rating: 1635
Record: 14-8
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 8 | Yamasaki, Kyoya (1500) | Won 2-1 | +171545 |
| 2pioneer | 329 | Ishiguro, Yasunao (1450) | Won 2-0 | +171562 |
| 3pioneer | 114 | Saito, Shinya (1911) | Won 2-1 | +241586 |
| 4pioneer | 71 | Seet, Danny (1638) | Lost 0-2 | -171569 |
| 5pioneer | 126 | Miyasaka, Sho (1627) | Won 2-1 | +191588 |
| 6pioneer | 209 | Kambe, Kojiro (1627) | Lost 0-2 | -181570 |
| 7pioneer | 283 | Omonishi, Kojiro (1731) | Won 2-0 | +211591 |
| 8pioneer | 232 | Tanaka, Ryou (1546) | Won 2-1 | +181609 |
| 9pioneer | 112 | Masukado, Kenta (2080) | Lost 1-2 | -101599 |
| 10pioneer | 115 | Miyata, Kentaro (1556) | Lost 1-2 | -191580 |
| 11pioneer | 155 | Kashiwa, Tomohiro (1582) | Won 2-0 | +181598 |
| 12pioneer | 121 | Natsume, Takuya (1710) | Won 2-1 | +201618 |
| 13pioneer | 94 | Watanabe, Masao (1400) | Won 2-0 | +141632 |
| 14pioneer | 68 | Bin, Jia (1849) | Lost 0-2 | -141618 |
| 15pioneer | 96 | Yamada, Mitsuhiro (1550) | Won 2-0 | +171635 |
| average opponent: 1650record: 10-5 | new rating: 1635 | |||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 62 | Fujiwara, Ryoji (1601) | Won 2-0 | +201520 |
| 2sealed | 216 | Negishi, Haruki (1467) | Won 2-0 | +171537 |
| 3sealed | 251 | Kikuchi, Yuuji (1678) | Won 2-0 | +201557 |
| 4sealed | 100 | Tonouchi, Keita (1713) | Lost 0-2 | -151542 |
| 5sealed | 264 | Yutaka, Ryohei (1712) | Lost 1-2 | -151527 |
| 6sealed | 382 | Ichikawa, Takayoshi (1664) | Won 2-0 | +211548 |
| 7sealed | 328 | Sugaya, Takeshi (1441) | Lost 1-2 | -201528 |
| average opponent: 1611record: 4-3 | new rating: 1528 | |||