Hongo, Hiroki
Current rating: 1453
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 37 | Kitagawa, Hiroaki (1500) | Won 2-1 | +181502 |
| 2standard | 160 | Yoshizawa, Masaru (1580) | Lost 0-2 | -161486 |
| 3standard | 956 | Cho, Kou (1726) | Lost 0-2 | -141472 |
| 4standard | 1027 | Nozawa, Yuusuke (1406) | Lost 1-2 | -191453 |
| top | average opponent: 1553record: 1-3 | new rating: 1453 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 979 | Takeuchi, Ataru (1482) | Lost 0-2 | -181485 |
| 2sealed | 1404 | Suzuki, Tatsuya (1436) | Won 2-0 | +171502 |
| 3sealed | 1215 | Nomura, Yusuke (1500) | Lost 1-2 | -181484 |
| top | average opponent: 1473record: 1-2 | new rating: 1484 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 970 | Sato, Kouki (1612) | Lost 1-2 | -161484 |
| 2sealed | 880 | Ebihara, Hirotaka (1589) | Won 2-0 | +201504 |
| 3sealed | 906 | Arai, Tomoya (1473) | Won 2-1 | +171521 |
| 4sealed | 821 | Taki, Masaya (1480) | Lost 0-2 | -181503 |
| 5sealed | 911 | Inagaki, Kaoru (1551) | Lost 1-2 | -171486 |
| 6sealed | 961 | Yamada, Shota (1480) | Won 2-1 | +171503 |
| top | average opponent: 1531record: 3-3 | new rating: 1503 | ||