Matsushita, Masakazu (YC)
Current rating: 1558
Record: 8-6
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 134 | Sasaki, Yuusuke (Hyogo) (1571) | Lost 0-2 | -181531 |
| 2sealed | 188 | Omori, Ken'ichirou (1521) | Won 2-1 | +181549 |
| 3sealed | 155 | Morofuji, Takuma (1738) | Won 2-0 | +221571 |
| 4sealed | 120 | Suzuki, Nobuyoshi (1813) | Won 2-1 | +221593 |
| 5sealed | 41 | Fujita, Tsuyoshi (1598) | Lost 0-2 | -181575 |
| 6sealed | 94 | Moriya, Jun (1647) | Lost 0-2 | -171558 |
| average opponent: 1648record: 3-3 | new rating: 1558 | |||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 192 | Araki, Yusuke (1500) | Won 2-0 | +181518 |
| 2sealed | 42 | Goto, Kosuke (1634) | Lost 1-2 | -161502 |
| 3sealed | 137 | Takeda, Takamichi (1598) | Won 2-1 | +201522 |
| 4sealed | 136 | Nishino, Kenta (1583) | Lost 1-2 | -171505 |
| 5sealed | 170 | Kawamura, Akihiro (1537) | Won 2-1 | +191524 |
| 6sealed | 140 | Itou, Takuma (1611) | Won 2-0 | +191543 |
| 7sealed | 65 | Kasuga, Nobuhiro (1509) | Won 2-0 | +181561 |
| 8sealed | 62 | Mori, Katsuhiro (1935) | Lost 0-2 | -121549 |
| average opponent: 1613record: 5-3 | new rating: 1549 | |||