Hirono, Kouzirou
Current rating: 1468
Record: 6-8
| Grand Prix Chiba 2016 (legacy) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 599 | Fukuoka, Masaharu (1500) | Won 2-1 | +181535 |
| 2legacy | 318 | Tanimura, Taiju (1518) | Lost 0-2 | -181517 |
| 3legacy | 903 | Tsurifune, Takashi (1682) | Lost 0-2 | -151502 |
| 4legacy | 968 | Sotomura, Yoshihiro (1583) | Lost 1-2 | -171485 |
| 5legacy | 1101 | Agata, Tatsuki (1540) | Won 2-0 | +191504 |
| 6legacy | 824 | Kuriyama, Yuusuke (1534) | Lost 1-2 | -171487 |
| 7legacy | 940 | Sakurai, Atsushi (1441) | Lost 1-2 | -191468 |
| average opponent: 1543record: 2-5 | new rating: 1468 | |||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2118 | Kotake, Yuki (1500) | Lost 0-2 | -181482 |
| 2sealed | 2386 | Yuk, Kai Leung (1474) | Won 2-0 | +181500 |
| 3sealed | 2366 | Matsuyama, Takuya (1525) | Lost 0-2 | -181482 |
| 4sealed | 2417 | Satou, Kentarou (1464) | Won 2-1 | +181500 |
| 5sealed | 2283 | Ishimura, Kenji (1371) | Won 2-1 | +161516 |
| 6sealed | 2249 | Shiga, Kota (1508) | Won 2-0 | +181534 |
| 7sealed | 2130 | Yoshida, Satoshi (1623) | Lost 1-2 | -171517 |
| average opponent: 1495record: 4-3 | new rating: 1517 | |||