Kumamoto, Hiroto
Current rating: 1540
Record: 12-10
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 226 | Gotou, Hiroki (1500) | Won 2-0 | +181536 |
| 2legacy | 265 | Kato, Shota (1519) | Won 2-0 | +171553 |
| 3legacy | 182 | Koretomo, Yuji (1443) | Won 2-0 | +161569 |
| 4legacy | 61 | Takemura, Toyoshi (1555) | Won 2-1 | +181587 |
| 5legacy | 50 | Tsutsumi, Yukihiro (1449) | Won 2-0 | +161603 |
| 6legacy | 2 | Masukado, Kenta (1936) | Won 2-1 | +241627 |
| 7legacy | 7 | Tanji, Kensuke (1831) | Lost 1-2 | -151612 |
| 8legacy | 41 | Tanaka, Hayato (1537) | Won 2-1 | +171629 |
| 9legacy | 11 | Yasuda, Masayuki (1883) | Lost 0-2 | -141615 |
| 10legacy | 25 | Kuriyama, Takuya (1515) | Lost 0-2 | -191596 |
| 11legacy | 85 | Kawai, Yuusuke 4514 (1530) | Lost 0-2 | -201576 |
| 12legacy | 88 | Takano, Genki (1544) | Lost 0-2 | -181558 |
| 13legacy | 99 | Tran, Dai (1555) | Lost 1-2 | -181540 |
| average opponent: 1600record: 7-6 | new rating: 1540 | |||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 274 | Takeuchi, Akinari (1583) | Won 2-1 | +201520 |
| 2standard | 327 | Tokairin, Taishi (1408) | Lost 1-2 | -211499 |
| 3standard | 957 | Odagiri, Mato (1473) | Lost 1-2 | -181481 |
| 4standard | 989 | Takagi, Kengo (1490) | Won 2-1 | +181499 |
| 5standard | 770 | Ueyama, Yuji (1498) | Lost 1-2 | -181481 |
| 6standard | 869 | Kodama, Yuu (1451) | Won 2-1 | +181499 |
| 7standard | 820 | Handa, Fumiya (1499) | Won 2-1 | +181517 |
| 8standard | 600 | Matsuda, Kohei (1514) | Lost 1-2 | -181499 |
| 9standard | 702 | Yokota, Takuma (1583) | Won 2-1 | +191518 |
| average opponent: 1500record: 5-4 | new rating: 1518 | |||