Sakamoto, Hiroyuki
Current rating: 1560
Record: 22-20
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 296 | Yoshida, Atsushi3042 (1443) | Lost 0-2 | -201495 |
| 3pioneer | 474 | Miyazaki, Noritsugu (1498) | Won 2-0 | +181513 |
| 4pioneer | 240 | Matsuda, Hiroki (1632) | Won 2-0 | +201533 |
| 5pioneer | 262 | Yokota, Takuma (1580) | Won 2-0 | +191552 |
| 6pioneer | 109 | Kitsu, Syoto (1654) | Lost 1-2 | -161536 |
| 7pioneer | 163 | Bang, Hyun-Jung (1534) | Won 2-0 | +181554 |
| 8pioneer | 149 | Kashiwagi, Ryohei (1765) | Won 2-0 | +221576 |
| 9pioneer | 66 | Saito, Tomohiro (1638) | Lost 1-2 | -171559 |
| 10pioneer | 167 | Je, Sungeun (1717) | Lost 0-2 | -151544 |
| 11pioneer | 156 | Ito, Kenta (1687) | Lost 0-2 | -151529 |
| 12pioneer | 151 | Sasao, Yusuke (1635) | Lost 1-2 | -171512 |
| 13pioneer | 141 | Furujou, Takashi (1213) | Won 2-1 | +131525 |
| 14pioneer | 127 | Matsumura, Asuka (1506) | Won 2-0 | +181543 |
| 15pioneer | 123 | Kazami, Tomoya (1518) | Won 2-0 | +171560 |
| top | average opponent: 1573record: 8-6 | new rating: 1560 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 567 | Makioka, Syuta (1514) | Lost 0-2 | -191541 |
| 2modern | 847 | Shimoyama, Kazuma (1430) | Won 2-0 | +161557 |
| 3modern | 640 | Kuriyama, Takuya (1487) | Lost 1-2 | -191538 |
| 4modern | 1029 | Yanagisawa, Keiji (1481) | Won 2-1 | +171555 |
| 5modern | 592 | Ono, Takuya (1472) | Lost 0-2 | -201535 |
| 6modern | 902 | Iwami, Fumihiro (1480) | Lost 1-2 | -191516 |
| 7modern | 746 | Takahashi, Hiroki (1455) | Won 2-0 | +171533 |
| 8modern | 581 | Philippczyck, Fabian (1507) | Lost 1-2 | -181515 |
| top | average opponent: 1478record: 3-5 | new rating: 1515 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 236 | Ichikawa, Takayoshi (1593) | Lost 1-2 | -161474 |
| 4legacy | 493 | Inoue, Fumito (1517) | Won 2-1 | +191493 |
| 5legacy | 264 | Nakamura, Junya (1689) | Won 2-1 | +211514 |
| 6legacy | 221 | Aoyagi, Motohiko (1642) | Lost 0-2 | -151499 |
| 7legacy | 384 | Yabe, Tosikazu (1507) | Won 2-1 | +181517 |
| 8legacy | 267 | Oono, Jun (1491) | Lost 1-2 | -191498 |
| 9legacy | 388 | Yamashita, Masanori (1489) | Won 2-1 | +181516 |
| 10legacy | 272 | Ishida, Tetsuya (1478) | Won 2-1 | +171533 |
| 11legacy | 131 | Isayama, Yusuke (1637) | Won 2-1 | +201553 |
| 12legacy | 72 | Takamura, Kazuki (1519) | Won 2-0 | +181571 |
| 13legacy | 78 | Suzuki, Takahiro (1848) | Lost 0-2 | -131558 |
| 14legacy | 106 | Shinohara, Gen 8257 (1559) | Won 2-1 | +181576 |
| 15legacy | 82 | Kobayashi, Yuuki (1694) | Lost 0-2 | -161560 |
| top | average opponent: 1589record: 8-5 | new rating: 1560 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 49 | Yoshida, Yuuji (1578) | Lost 1-2 | -171483 |
| 4legacy | 294 | Mori, Takeshi (1581) | Won 2-0 | +201503 |
| 5legacy | 94 | Nishikawa, Tatsuya (Chiba) (1534) | Won 2-0 | +191522 |
| 6legacy | 33 | Satake, Yukihiro (1653) | Lost 0-2 | -161506 |
| 7legacy | 181 | Ishikura, Kazuya (1511) | Won 2-0 | +181524 |
| 8legacy | 97 | Nishidome, Keitarou (1469) | Lost 1-2 | -191505 |
| 9legacy | 104 | Yamada, Toshihiro (1668) | Lost 1-2 | -151490 |
| top | average opponent: 1571record: 3-4 | new rating: 1490 | ||