Nakahara, Yuuya
Current rating: 1598
Record: 10-5
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 45 | Kasagi, Daisuke (1500) | Won 2-0 | +171539 |
| 2sealed | 50 | Takahashi, Noboru (1524) | Won 2-1 | +181557 |
| 3sealed | 70 | Hirose, Yuuki (1616) | Lost 0-2 | -171540 |
| 4sealed | 93 | Yaoita, Akihiro (1590) | Lost 0-2 | -171523 |
| 5sealed | 131 | Mitsuma, Takayuki (1520) | Won 2-1 | +181541 |
| 6sealed | 116 | Shikata, Nobuaki (1602) | Won 2-0 | +191560 |
| 7sealed | 61 | Adachi, Shingo (1698) | Won 2-1 | +211581 |
| 8sealed | 41 | Nishiwaki, Yousuke (1554) | Won 2-0 | +171598 |
| average opponent: 1576record: 6-2 | new rating: 1598 | |||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 182 | Kanesiro, Yasuaki (1500) | Won 2-1 | +181518 |
| 3block | 99 | Hamamoto, Kenji (1467) | Lost 0-2 | -191499 |
| 4block | 165 | Ono, Masayuki (1517) | Lost 0-2 | -181481 |
| 5block | 295 | Yasukawa, Kazuhide (1518) | Won 2-1 | +191500 |
| 6block | 154 | Koyama, Masashi (1507) | Won 2-0 | +181518 |
| 7block | 84 | Iwai, Tsuyoshi (1699) | Won 2-0 | +211539 |
| 8block | 52 | Ando, Koyo (1556) | Lost 1-2 | -171522 |
| average opponent: 1538record: 4-3 | new rating: 1522 | |||