Kouta, Hayakawa
Current rating: 1560
Record: 7-4
| Grand Prix Kobe 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 111 | Osuga, Hiroaki (1326) | Won 2-0 | +151515 |
| 2modern | 206 | Ikeyama, Kei (1540) | Won 2-1 | +181533 |
| 3modern | 258 | Koizumi, Yuma (1697) | Won 2-1 | +211554 |
| 4modern | 143 | Saito, Toru (1603) | Lost 1-2 | -171537 |
| 5modern | 228 | Nobe, Hiroyuki (1378) | Won 2-1 | +151552 |
| 6modern | 163 | Hirami, Tomonori (1857) | Lost 1-2 | -121540 |
| 7modern | 574 | Peng, Zer Shiuan (1557) | Lost 1-2 | -181522 |
| 8modern | 748 | Nakata, Yuuta (1524) | Won 2-1 | +181540 |
| 9modern | 499 | Toma, Seiichiro (1536) | Won 2-1 | +181558 |
| 10modern | 220 | Ma, Geoff (1697) | Won 2-0 | +201578 |
| 11modern | 232 | Davydov, Dmitriy (1539) | Lost 0-2 | -181560 |
| average opponent: 1568record: 7-4 | new rating: 1560 | |||