Sekine, Hirohumi
Current rating: 1458
Record: 4-6
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 515 | Mizutani, Akitoshi (1445) | Won 2-1 | +171514 |
| 2legacy | 651 | Izu, Yuuya (1471) | Lost 0-2 | -191495 |
| 3legacy | 901 | Ooyama, Kazuki (1500) | Lost 0-2 | -181477 |
| 4legacy | 866 | Ohta, Shinji (1437) | Lost 0-2 | -191458 |
| average opponent: 1463record: 1-3 | new rating: 1458 | |||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 274 | Fukuju, Tabito (1504) | Lost 1-2 | -181482 |
| 2standard | 474 | Okuno, Masatoshi (1482) | Lost 1-2 | -181464 |
| 3standard | 729 | Ariga, Kazuma (1464) | Won 2-0 | +181482 |
| 4standard | 620 | Maeda, Takashi (1340) | Won 2-0 | +161498 |
| 5standard | 526 | Yasunaka, Shinichi (1500) | Won 2-0 | +181516 |
| 6standard | 404 | Tanaka, Yu (1466) | Lost 0-2 | -191497 |
| average opponent: 1459record: 3-3 | new rating: 1497 | |||