Miyahara, Koichi
Current rating: 1509
Record: 3-3
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 93 | Katsuragi, Atsushi (1500) | Won 2-1 | +181518 |
| 2sealed | 156 | Hayashi, Katsuji (1589) | Lost 1-2 | -171501 |
| 3sealed | 202 | Komuro, Shuu (1898) | Lost 0-2 | -111490 |
| 4sealed | 373 | Uchida, Yuki (1516) | Won 2-1 | +191509 |
| 5sealed | 278 | Aoki, Masatugu (1497) | Won 2-1 | +171526 |
| 6sealed | 157 | Minemura, Hiroyuki (1578) | Lost 1-2 | -171509 |
| average opponent: 1596record: 3-3 | new rating: 1509 | |||