Yonamine, Hiroki
Current rating: 1503
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 239 | Kihara, Ryou (1651) | Lost 1-2 | -161504 |
| 2standard | 371 | Muto, Shogo (1445) | Won 2-1 | +171521 |
| 3standard | 377 | Takano, Yuuki (1532) | Lost 0-2 | -181503 |
| top | average opponent: 1543record: 1-2 | new rating: 1503 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 86 | Tsukamoto, Tatsushi (1462) | Won 2-1 | +171519 |
| 2standard | 102 | Toshiki N., (1518) | Lost 1-2 | -181501 |
| 3standard | 166 | Saitou, Daisuke (1384) | Won 2-1 | +161517 |
| 4standard | 153 | Ooneda, Yoshihiro (1580) | Lost 1-2 | -171500 |
| 5standard | 266 | Ikeda, Naoto (1324) | Won 2-1 | +151515 |
| 6standard | 196 | Yamamuro, Yuusuke (1487) | Won 2-0 | +171532 |
| 7standard | 116 | Takagi, Takayuki (1858) | Lost 0-2 | -121520 |
| top | average opponent: 1516record: 4-3 | new rating: 1520 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 65 | Ido, Yasumasa (1500) | Won 2-0 | +181518 |
| 2extended | 44 | Izumi, Hikaru (1540) | Won 2-1 | +181536 |
| 3extended | 27 | Yamamoto, Kentaro (1695) | Lost 0-2 | -151521 |
| 4extended | 93 | Nuruki, Hiroaki (1517) | Lost 1-2 | -181503 |
| 5extended | 135 | Kashima, Koji (1438) | Lost 1-2 | -191484 |
| 6extended | 180 | Katou, Takayoshi (1484) | Lost 0-2 | -181466 |
| 7extended | 9 | Sugimoto, Yuta (1462) | Won 2-1 | +181484 |
| 8extended | 22 | Sasaki, Yuusuke (Osaka) (1466) | Won 2-0 | +181502 |
| top | average opponent: 1513record: 4-4 | new rating: 1502 | ||