K., Masatoshi
Current rating: 1499
Record: 2-2
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 965 | O., Ryou (1500) | Won 2-0 | +181518 |
| 2sealed | 779 | Kawahara, Tadashi (1518) | Lost 0-2 | -181500 |
| 3sealed | 862 | Maigne, Alan (1480) | Lost 1-2 | -181482 |
| 4sealed | 1105 | Yamazaki, Takayoshi (1431) | Won 2-1 | +171499 |
| average opponent: 1482record: 2-2 | new rating: 1499 | |||