Imakawa, Kiyoshi
Current rating: 1305
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1323 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 123 | Ueda, Shuji (1369) | Lost 1-2 | -181305 |
| 2standard | 273 | Hasegawa, Kazuhiko (1465) | Won 2-1 | +211326 |
| 3standard | 238 | Kikuchi, Kazuya (1465) | Lost 1-2 | -151311 |
| 4standard | 300 | Sasaki, Shinji (1482) | Won 2-0 | +211332 |
| 5standard | 225 | Arano, Eisaku (1498) | Draw 1-1 | +31335 |
| 6standard | 269 | Boehner, Brent (1497) | Lost 0-2 | -151320 |
| 7standard | 263 | Yoshizawa, Takuya (1519) | Lost 0-2 | -151305 |
| top | average opponent: 1471record: 2-4-1 | new rating: 1305 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1371 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 236 | Oohori, Hirotaka (1500) | Lost 0-2 | -161355 |
| 2sealed | 278 | Mori, Genki (1482) | Lost 0-2 | -151340 |
| 3sealed | 265 | Tatsuhara, Satoshi (1387) | Lost 0-2 | -171323 |
| top | average opponent: 1456record: 0-3 | new rating: 1323 | ||
| Grand Prix Yamagata 2006 (TSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 20 | Hashimoto, Masafumi (1462) | Lost 1-2 | -191481 |
| 2sealed | 112 | Urano, Tomohisa (1448) | Lost 1-2 | -181463 |
| 3sealed | 136 | Tanabe, Kazuya (1246) | Lost 1-2 | -221441 |
| 4sealed | 158 | Kawahara, Taku (1449) | Lost 0-2 | -181423 |
| 5sealed | 142 | Umi, Hirokazu (1420) | Lost 0-2 | -181405 |
| 6sealed | 118 | Saitou, Masashi (1445) | Lost 0-2 | -171388 |
| 8sealed | 84 | Takahashi, Yousuke (1464) | Lost 0-2 | -171371 |
| top | average opponent: 1419record: 0-7 | new rating: 1371 | ||