Yamaguchi, Masanari
Current rating: 1542
Record: 3-1
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1047 | Ootsuka, Koutarou (1871) | Won 2-0 | +241524 |
| 2sealed | 801 | Se, Atsuo (1618) | Won 2-1 | +201544 |
| 3sealed | 797 | Ohori, Akihito (1434) | Won 2-1 | +161560 |
| 4sealed | 761 | Utsumi, Takayuki (1555) | Lost 1-2 | -181542 |
| average opponent: 1619record: 3-1 | new rating: 1542 | |||