Miwa, Toshiharu
Current rating: 1571
Record: 11-7
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 97 | Shiroza, Shinichiro (1602) | Won 2-0 | +201539 |
| 2standard | 202 | Matsuoka, Kenshi (1518) | Won 2-0 | +181557 |
| 3standard | 81 | Kaneko, Shinsaku (1504) | Won 2-1 | +171574 |
| 4standard | 80 | Yasufuku, Akihiro (1644) | Lost 1-2 | -171557 |
| 5standard | 246 | Miyata, Yuuya (1507) | Won 2-0 | +171574 |
| 6standard | 110 | Chanboonyawat, Prapruet (1572) | Won 2-0 | +181592 |
| 7standard | 71 | Kobayashi, Kazuto (1585) | Lost 0-2 | -181574 |
| 8standard | 112 | Takahashi, Akihiro (1500) | Won 2-0 | +161590 |
| 9standard | 60 | Che, Ling (1516) | Lost 1-2 | -191571 |
| average opponent: 1550record: 6-3 | new rating: 1571 | |||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 137 | Harada, Akio (1500) | Won 2-0 | +181518 |
| 2standard | 267 | Yamaguchi, Yuuki (1501) | Won 2-0 | +181536 |
| 3standard | 137 | Banno, Kunihiko (1536) | Won 2-1 | +181554 |
| 4standard | 392 | Fujita, Toshitake (1578) | Won 2-0 | +181572 |
| 5standard | 2 | Nakamura, Shinichiro (1539) | Lost 0-2 | -181554 |
| 6standard | 175 | Shirai, Yuuki (1553) | Lost 1-2 | -181536 |
| 7standard | 353 | Kawakoshi, Shohei (1526) | Won 2-1 | +171553 |
| 8standard | 245 | Hasegawa, Takashi (1545) | Lost 1-2 | -181535 |
| 9standard | 256 | Saitou, Keiichirou (1658) | Lost 1-2 | -161519 |
| average opponent: 1549record: 5-4 | new rating: 1519 | |||