Kuraoka, Shintarou
Current rating: 1411
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 51 | Yasuda, Takuo (1408) | Won 2-0 | +171479 |
| 2sealed | 50 | Kobatake, Atsushi (1526) | Lost 0-2 | -171462 |
| 3sealed | 83 | Shiraishi, Hiroaki (1568) | Lost 0-2 | -161446 |
| 4sealed | 149 | Okamoto, Masahiro (1470) | Lost 0-2 | -181428 |
| 5sealed | 144 | Yamasaki, Sadaharu (1387) | Draw 1-1 | 01428 |
| 6sealed | 129 | Uesugi, Zenkyou (1478) | Lost 1-2 | -171411 |
| top | average opponent: 1473record: 1-4-1 | new rating: 1411 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 78 | Chogyoji, Tetsuya (1502) | Lost 0-2 | -181480 |
| 2extended | 158 | Kawasaki, Daisuke (1442) | Won 2-0 | +171497 |
| 3extended | 107 | Itohara, Kazuaki (1520) | Lost 1-2 | -181479 |
| 4extended | 167 | Sumii, Hiroyuki (1518) | Lost 0-2 | -171462 |
| top | average opponent: 1496record: 1-3 | new rating: 1462 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 101 | Kamata, Tsukasa (1518) | Lost 1-2 | -181482 |
| 2extended | 142 | Furukawa, Takayuki 4606 (1482) | Lost 0-2 | -181464 |
| 3extended | 170 | Nakagawa, Tsukasa (1464) | Won 2-0 | +181482 |
| 4extended | 159 | Matsuo, Yoshinori (1436) | Won 2-0 | +171499 |
| 5extended | 145 | Kanazawa, Naoko (1402) | Won 2-1 | +171516 |
| 6extended | 71 | Koyama, Kenta (1500) | Won 2-1 | +171533 |
| 7extended | 47 | Nakauchi, Mayumi (1542) | Lost 0-2 | -171516 |
| 8extended | 69 | Sawada, Youhei (1519) | Lost 0-2 | -181498 |
| top | average opponent: 1483record: 4-4 | new rating: 1498 | ||