Sakai, Hiroyuki
Current rating: 1465
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1410 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 19 | Ideguchi, Yasuhiro (1585) | Won 2-1 | +221432 |
| 2legacy | 329 | Takagi, Takayuki (1822) | Won 2-1 | +241456 |
| 3legacy | 204 | Ueno, Hideto (1321) | Won 2-0 | +161472 |
| 4legacy | 46 | Harada, Sosuke (1647) | Won 2-1 | +211493 |
| 5legacy | 70 | Huang, Tachi (1685) | Lost 1-2 | -141479 |
| 6legacy | 85 | Ito, Kenta (1523) | Lost 1-2 | -181461 |
| 7legacy | 144 | Dominico, Mikhael (1533) | Won 2-0 | +201481 |
| 8legacy | 183 | Shirai, Shota 5117 (1551) | Won 2-0 | +191500 |
| 9legacy | 124 | Kataoka, Tatsuya (1539) | Lost 1-2 | -171483 |
| 10legacy | 108 | Nagakita, Makoto (1511) | Lost 1-2 | -181465 |
| top | average opponent: 1572record: 6-4 | new rating: 1465 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 252 | Kasagi, Yuji (1500) | Lost 0-2 | -181444 |
| 2modern | 804 | Nishioka, Hideaki (1483) | Won 2-1 | +191463 |
| 3modern | 826 | Sarusawa, Yuichi (1438) | Lost 0-2 | -181445 |
| 4modern | 1089 | Mizuno, Takeshi (1490) | Lost 1-2 | -181427 |
| 5modern | 1221 | Wakita, Daiki (1480) | Lost 0-2 | -171410 |
| top | average opponent: 1478record: 1-4 | new rating: 1410 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 1034 | Yanagita, Masashi (1500) | Lost 0-2 | -181482 |
| 2standard | 1091 | Kounosu, Hiroaki (1311) | Won 2-0 | +151497 |
| 3standard | 911 | Nishizawa, Taichi (1491) | Won 2-1 | +181515 |
| 4standard | 602 | Shibata, Yuuya (1546) | Lost 0-2 | -181497 |
| 5standard | 950 | Segou, Kenji (1641) | Lost 0-2 | -151482 |
| 6standard | 1330 | Hasegawa, Atusi (1355) | Lost 1-2 | -201462 |
| top | average opponent: 1474record: 2-4 | new rating: 1462 | ||