Ookawara, Kunio
Current rating: 1463
Record: 1-3
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 724 | Watanabe, Yoshiaki (1500) | Won 2-1 | +181518 |
| 2sealed | 722 | Miyachi, Kenta (1517) | Lost 1-2 | -181500 |
| 3sealed | 892 | Takehana, Yuki (1416) | Lost 1-2 | -201480 |
| 4sealed | 1074 | Takahashi, Toshirou (1485) | Lost 0-2 | -171463 |
| average opponent: 1479record: 1-3 | new rating: 1463 | |||