Hirata, Naoya
Current rating: 1460
Record: 5-7
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 974 | Fukushima, Naoya (1500) | Lost 0-2 | -181500 |
| 2sealed | 1064 | Aizawa, Ryohei (1482) | Won 2-1 | +181518 |
| 3sealed | 915 | Kitajima, Ryoko (1447) | Lost 0-2 | -201498 |
| 4sealed | 1091 | Asai, Toshiharu (1430) | Lost 1-2 | -191479 |
| 5sealed | 1051 | Shigezumi, Manabu (1428) | Lost 1-2 | -191460 |
| average opponent: 1457record: 1-4 | new rating: 1460 | |||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 25 | Naito, Kazuma (1518) | Won 2-1 | +181518 |
| 3block | 92 | Yamazaki, Satoru (1500) | Lost 0-2 | -181500 |
| 4block | 183 | Arahori, Kazuaki (1465) | Lost 0-2 | -191481 |
| 5block | 466 | Konishi, Kohei (1482) | Won 2-1 | +181499 |
| 6block | 304 | Ida, Soichiro (1517) | Won 2-1 | +191518 |
| 7block | 171 | Utsumi, Teruyuki (1536) | Won 2-0 | +181536 |
| 8block | 98 | Morikami, Akira (1553) | Lost 0-2 | -181518 |
| average opponent: 1510record: 4-3 | new rating: 1518 | |||