Chiba, Shou
Current rating: 1508
Record: 6-7
| Grand Prix Yokohama 2012 (modern) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 418 | Yamada, Takahiro (1500) | Won 2-0 | +191472 |
| 2modern | 307 | Koishihara, Akira (1517) | Won 2-1 | +191491 |
| 3modern | 1 | Kitayama, Masaya (1868) | Won 2-0 | +251516 |
| 4modern | 48 | Hokumura, Tatsuro (1550) | Won 2-1 | +181534 |
| 5modern | 86 | Takahashi, Kazuya (1549) | Lost 1-2 | -181516 |
| 6modern | 184 | Tokuyama, Yoshihiko (1624) | Won 2-0 | +201536 |
| 7modern | 85 | Chen, Liang (1813) | Lost 0-2 | -131523 |
| 8modern | 139 | Wada, Yuki (1677) | Lost 1-2 | -151508 |
| average opponent: 1637record: 5-3 | new rating: 1508 | |||
| Grand Prix Yamagata 2006 (TSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 70 | Nakamura, Yuuki (1517) | Won 2-1 | +181518 |
| 2sealed | 4 | Fujita, Kenichi (1791) | Lost 1-2 | -131505 |
| 3sealed | 91 | Hisaki, Yuu (1523) | Lost 1-2 | -181487 |
| 4sealed | 128 | Terada, Tadashi (1596) | Lost 0-2 | -161471 |
| 5sealed | 135 | Katahira, Takashi (1463) | Lost 1-2 | -181453 |
| average opponent: 1578record: 1-4 | new rating: 1453 | |||