Yoshioka, Yasuyuki
Current rating: 1532
Record: 14-12
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 67 | Nagashima, Yuji (1414) | Won 2-1 | +161513 |
| 2sealed | 29 | Abe, Genta (1562) | Won 2-1 | +191532 |
| 3sealed | 10 | Anan, Kazuyoshi (1538) | Lost 1-2 | -181514 |
| 4sealed | 81 | Komiyama, Hideki (1580) | Lost 0-2 | -161498 |
| 5sealed | 99 | Ooyama, Masaya (1468) | Won 2-0 | +171515 |
| 6sealed | 99 | Shimada, Hiroya (1532) | Won 2-1 | +181533 |
| 7sealed | 106 | Sakai, Yoshitoki (1497) | Lost 0-2 | -181515 |
| 8sealed | 17 | Honda, Masaya (1471) | Won 2-1 | +171532 |
| top | average opponent: 1508record: 5-3 | new rating: 1532 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 115 | Hara, Yasuharu (1517) | Lost 0-2 | -191515 |
| 2extended | 154 | U, Kashin (1482) | Lost 0-2 | -181497 |
| top | average opponent: 1499record: 0-2 | new rating: 1497 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 336 | Matsuo, Kazuki (1500) | Won 2-1 | +171538 |
| 2block | 154 | Kikugawa, Kazumi (1518) | Lost 0-2 | -181520 |
| 3block | 449 | Ito, Masato (1500) | Won 2-1 | +181538 |
| 4block | 361 | Yamaguchi, Teruyuki (1498) | Lost 1-2 | -191519 |
| 5block | 308 | Maeda, Kunihiko (1499) | Won 2-0 | +171536 |
| 6block | 278 | Shikatake, Naoki (1517) | Lost 1-2 | -181518 |
| 7block | 315 | Wada, Yuta (1423) | Won 2-0 | +161534 |
| 8block | 198 | Imaizumi, Hirofumi (1518) | Won 2-0 | +181552 |
| 9block | 150 | Sakamoto, Kikutaro (1535) | Lost 0-1 | -181534 |
| top | average opponent: 1501record: 5-4 | new rating: 1534 | ||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 29 | Saito, Hajime (1500) | Lost 1-2 | -181482 |
| 2sealed | 123 | Watai, Yoichiro (1464) | Won 2-1 | +181500 |
| 3sealed | 114 | Watanabe, Shinji (Hiroshima) (1500) | Won 2-1 | +181518 |
| 4sealed | 84 | Matsuo, Koichiro (1551) | Lost 0-2 | -181500 |
| 5sealed | 130 | Nakanishi, Keisuke (1499) | Won 2-1 | +181518 |
| 6sealed | 60 | Takahira, Nobumasa (1581) | Won 2-0 | +191537 |
| 7sealed | 47 | Yamamoto, Nao (1605) | Lost 0-2 | -161521 |
| top | average opponent: 1529record: 4-3 | new rating: 1521 | ||