Matsuoka, Masashi
Current rating: 1429
Record: 2-6
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 150 | Tatara, Atsushi (1604) | Lost 1-2 | -161484 |
| 2sealed | 336 | Onodera, Yusuke (1482) | Lost 1-2 | -181466 |
| 3sealed | 431 | Yoshida, Masanobu (1469) | Won 2-0 | +181484 |
| 4sealed | 451 | Ohkawa, Takeshi (1481) | Lost 1-2 | -181466 |
| 5sealed | 407 | Shimoyama, Youhei (1461) | Lost 0-2 | -181448 |
| 6sealed | 352 | Furuyama, Yoshiharu (1445) | Lost 0-2 | -181430 |
| 7sealed | 296 | Hagiwara, Masakatsu (1426) | Won 2-0 | +181448 |
| 8sealed | 365 | Abe, Yuji (1404) | Lost 0-2 | -191429 |
| average opponent: 1472record: 2-6 | new rating: 1429 | |||