Horikoshi, Riku
Current rating: 1445
Record: 1-4
| Grand Prix Kobe 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 754 | Uehara, Masayuki (1500) | Lost 1-2 | -181482 |
| 2modern | 894 | Mofflin, Chris (1509) | Lost 1-2 | -181464 |
| 3modern | 1235 | Hoshino, Shinya (1329) | Won 2-1 | +161480 |
| 4modern | 1017 | Mihashi, Takanobu (1516) | Lost 0-2 | -171463 |
| 5modern | 1209 | Yamamoto, Seigo (1462) | Lost 1-2 | -181445 |
| average opponent: 1463record: 1-4 | new rating: 1445 | |||