Sakai, Hiroetsu
Current rating: 1496
Record: 9-10-2
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 167 | Satake, Yukihiro (1638) | Lost 0-2 | -171532 |
| 4legacy | 213 | Liao, Winston (1518) | Lost 0-2 | -181514 |
| 5legacy | 325 | Tamura, Shigeyuki (1498) | Lost 1-2 | -181496 |
| top | average opponent: 1552record: 0-3 | new rating: 1496 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 744 | Yamamoto, Akimasa (1894) | Draw 1-1 | +51568 |
| 4modern | 820 | Hattori, Shinya (1533) | Won 2-0 | +181586 |
| 5modern | 760 | Rokugawa, Youhei (1554) | Lost 1-2 | -191567 |
| 6modern | 843 | Fujii, Toshikazu (1543) | Lost 0-1 | -181549 |
| top | average opponent: 1631record: 1-2-1 | new rating: 1549 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 12 | Fujiwara, Ryoji (1517) | Won 2-1 | +171576 |
| 3sealed | 50 | Shimizu, Yousuke (1581) | Lost 0-2 | -181558 |
| 4sealed | 240 | Uchida, Kensuke (1490) | Won 2-0 | +171575 |
| 5sealed | 80 | Hino, Yoshiaki (1494) | Lost 1-2 | -201555 |
| 6sealed | 250 | Yamaguchi(chiba), Hiro (1489) | Won 2-1 | +171572 |
| 7sealed | 109 | Yasooka, Shota (2073) | Lost 0-2 | -91563 |
| top | average opponent: 1607record: 3-3 | new rating: 1563 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 645 | Ishizaka, Naoki (1519) | Won 2-1 | +181518 |
| 3standard | 655 | Tada, Masayuu (1424) | Won 2-0 | +171535 |
| 4standard | 558 | Kusunoki, Yuki (1583) | Won 2-1 | +191554 |
| 5standard | 546 | Harano, Takahiro (1704) | Lost 0-2 | -161538 |
| 6standard | 533 | Cho, Kou (1629) | Lost 1-2 | -161522 |
| 7standard | 662 | Ookawa, Takumi (1546) | Won 2-1 | +181540 |
| 8standard | 583 | Fujimoto, Koji (1549) | Draw 1-1 | 01540 |
| 9standard | 697 | Numa, Keiji (1557) | Won 2-1 | +191559 |
| top | average opponent: 1564record: 5-2-1 | new rating: 1559 | ||