Sekine, Nobuaki
Current rating: 1517
Record: 6-6
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 126 | Oguri, Fumiaki (1498) | Won 2-0 | +171526 |
| 2standard | 3 | Sutou, Takuo (1642) | Lost 0-2 | -161510 |
| 3standard | 248 | Murata, Atsushi (1507) | Won 2-1 | +181528 |
| 4standard | 176 | Suzuki, Masatsuna (1615) | Lost 1-2 | -161512 |
| 5standard | 294 | Suzuki, Nobuyoshi (1771) | Won 2-1 | +231535 |
| 6standard | 198 | Ariyoshi, Daisuke (1573) | Lost 0-2 | -181517 |
| average opponent: 1601record: 3-3 | new rating: 1517 | |||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 54 | Endou, Yuusuke (1711) | Lost 1-2 | -141486 |
| 3sealed | 247 | Itagaki, Masayoshi (1554) | Won 2-0 | +191505 |
| 4sealed | 209 | Ogawa, Kazuki (1540) | Lost 0-2 | -171488 |
| 5sealed | 192 | Hoshino, Shinya (1506) | Won 2-1 | +181506 |
| 6sealed | 195 | Yamauchi, Takashi (1585) | Lost 0-2 | -171489 |
| 7sealed | 162 | Sato, Hitoshi (1546) | Won 2-0 | +201509 |
| average opponent: 1574record: 3-3 | new rating: 1509 | |||