Shibuya, Toshihiro
Current rating: 1540
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 68 | Shiroza, Shinichiro (1571) | Lost 1-2 | -181536 |
| 2sealed | 247 | Terasawa, Kazuya (1776) | Won 2-0 | +231559 |
| 3sealed | 244 | Nakamura, Junya (1510) | Lost 0-2 | -191540 |
| top | average opponent: 1619record: 1-2 | new rating: 1540 | ||
| Grand Prix Yamagata 2006 (TSP limited) | starting rating: 1612 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 103 | Kikuchi, Kanji (1500) | Lost 1-2 | -201592 |
| 2sealed | 100 | Anazawa, Yoshikazu (1619) | Lost 1-2 | -181574 |
| 3sealed | 121 | Hirashima, Yuutarou (1464) | Lost 0-2 | -201554 |
| top | average opponent: 1527record: 0-3 | new rating: 1554 | ||
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 134 | Noguchi, Tomokazu (1389) | Won 2-1 | +161516 |
| 2block | 96 | Niiyama, Masahiro (1389) | Won 2-0 | +161532 |
| 3block | 44 | Nakamura, Yuuki (1535) | Won 2-0 | +181550 |
| 4block | 6 | Shoji, Tatsuro (1563) | Lost 1-2 | -181532 |
| 5block | 73 | Kanai, Kazumishi (1539) | Won 2-0 | +181550 |
| 6block | 59 | Takeda, Satoru (1542) | Won 2-0 | +181568 |
| 7block | 28 | Nakatani, Haruki (1627) | Won 2-1 | +191587 |
| 8block | 22 | Katayama, Hidenori (1683) | ID | 01587 |
| 9block | 16 | Masuno, Ryosuke (1616) | Won 2-1 | +191606 |
| 10block | 11 | Oiso, Masashi (2186) | Lost 0-2 | -91597 |
| 11block | 16 | Matousek, Pavel (1828) | Won 2-1 | +221619 |
| 12block | 12 | Fujii, Hidekazu (1624) | Won 2-0 | +181637 |
| 13block | 22 | Osawa, Takuya (1865) | Lost 0-2 | -141623 |
| 14block | 14 | Nakamura, Shuhei (1979) | Lost 0-2 | -111612 |
| top | average opponent: 1669record: 9-4-1 | new rating: 1612 | ||