Yamanaka, Tomofumi
Current rating: 1472
| Grand Prix Kobe 2009 (extended) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 49 | Sawade, Makoto (1469) | Lost 1-2 | -181446 |
| 2extended | 158 | Hishida, Akinori (1481) | Won 2-1 | +191465 |
| 3extended | 147 | Beniyama, Hiroki (1503) | Won 2-1 | +181483 |
| 4extended | 103 | Komada, Mitsuhiko (1507) | Won 2-1 | +191502 |
| 5extended | 96 | Takebayashi, Tomo (1610) | Lost 0-2 | -161486 |
| 6extended | 146 | Nagashima, Makoto (1741) | Lost 0-2 | -141472 |
| top | average opponent: 1552record: 3-3 | new rating: 1472 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 144 | Hassaku, Jinpei (1690) | Lost 1-2 | -141482 |
| 2block | 309 | Ogura, Yuuki (1482) | Lost 1-2 | -181464 |
| top | average opponent: 1586record: 0-2 | new rating: 1464 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 146 | Satou, Masayoshi (1491) | Won 2-1 | +181518 |
| 2standard | 127 | Tanabe, Kazuya (1306) | Lost 1-2 | -221496 |
| 3standard | 232 | Hasegawa, Tsuyoshi (1543) | Lost 1-2 | -171479 |
| 4standard | 364 | Ichikawa, Yasura (1447) | Won 2-1 | +171496 |
| top | average opponent: 1447record: 2-2 | new rating: 1496 | ||