Onuki, Hirohito
Current rating: 1558
Record: 9-6
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1045 | Fukuju, Tabito (1406) | Won 2-0 | +171520 |
| 2sealed | 1152 | Tsuzuki, Akinori (1518) | Won 2-1 | +181538 |
| 3sealed | 1013 | Hamaguchi, Masakuni (1448) | Won 2-0 | +161554 |
| 4sealed | 851 | Umeyama, Yuuichi (1647) | Won 2-0 | +201574 |
| 5sealed | 842 | Saito, Hirotsugu (1675) | Lost 1-2 | -161558 |
| 6sealed | 840 | Kiyono, Shoya (1552) | Won 2-0 | +171575 |
| 7sealed | 837 | Yamazaki, Hiroaki (1571) | Lost 0-2 | -181557 |
| 8sealed | 942 | Iwata, Hiromichi (1613) | Lost 1-2 | -171540 |
| 9sealed | 914 | Tunokake, Yunya (1513) | Won 2-0 | +181558 |
| average opponent: 1549record: 6-3 | new rating: 1558 | |||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 917 | Fujimoto, Yuusuke (1513) | Won 2-0 | +181518 |
| 2sealed | 772 | Kuribayashi, Tatsunori (1541) | Lost 1-2 | -171501 |
| 3sealed | 849 | Homma, Akira (1500) | Won 2-1 | +181519 |
| 4sealed | 760 | Masukado, Kenta (1623) | Lost 1-2 | -161503 |
| 5sealed | 876 | Kubota, Takahiro (1522) | Lost 0-2 | -181485 |
| 6sealed | 947 | Narisawa, Harumasa (1514) | Won 2-1 | +181503 |
| average opponent: 1535record: 3-3 | new rating: 1503 | |||