Sakai, Yasumasa
Current rating: 1347
Record: 13-26
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1358 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 255 | Noine, Kazuhiro (1905) | Lost 0-2 | -81350 |
| 4pioneer | 548 | Koyanagi, Yuzo (1517) | Won 2-0 | +211371 |
| 5pioneer | 134 | Noji, Koichiro (1379) | Lost 1-2 | -181353 |
| 6pioneer | 463 | Kubo, Yuta1677 (1515) | Lost 0-2 | -151338 |
| 7pioneer | 396 | Okano, Yukimasa (1567) | Won 2-1 | +221360 |
| 8pioneer | 328 | Ishimaru, Ken (1675) | Lost 0-2 | -131347 |
| top | average opponent: 1593record: 2-4 | new rating: 1347 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1374 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 197 | Mizumoto, Hirotaka (1594) | Lost 0-2 | -141360 |
| 4standard | 503 | Neki, Daisuke (1384) | Lost 0-2 | -181342 |
| 5standard | 598 | Sugaya, Hironobu (1735) | Lost 1-2 | -111331 |
| 6standard | 647 | Xie, Bing (1583) | Lost 0-2 | -131318 |
| 7standard | 578 | Suda, Yoshihiro (1469) | Won 2-0 | +201338 |
| 8standard | 490 | Tanaka, Shun (1457) | Won 2-0 | +201358 |
| top | average opponent: 1537record: 2-4 | new rating: 1358 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1418 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 206 | Yasuda, Seita (1702) | Lost 0-2 | -131405 |
| 4sealed | 477 | Kasuya, Takeshi (1522) | Lost 0-2 | -161389 |
| 5sealed | 731 | Hirabayashi, Yuki (1548) | Lost 1-2 | -151374 |
| top | average opponent: 1591record: 0-3 | new rating: 1374 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 593 | Shimizu, Takuma (1519) | Lost 1-2 | -171436 |
| 3modern | 690 | Sano, Takumi (1396) | Lost 1-2 | -191417 |
| 4modern | 1057 | Nobuta, Kazuhito (1426) | Won 2-0 | +191436 |
| 5modern | 578 | Kawamura, Takumi (1448) | Lost 1-2 | -181418 |
| top | average opponent: 1447record: 1-3 | new rating: 1418 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 325 | Taniguchi, Go (1449) | Won 2-0 | +181444 |
| 3standard | 292 | Partanen, Leo (1391) | Won 2-0 | +171461 |
| 4standard | 127 | Matsuo, Shuto (1568) | Lost 1-2 | -161445 |
| 5standard | 341 | Shinomiya, Yusuke (1577) | Won 2-0 | +201465 |
| 6standard | 225 | Hojo, Makoto (1572) | Lost 1-2 | -161449 |
| 7standard | 192 | Okuda, Masateru (1552) | Lost 1-2 | -161433 |
| 8standard | 461 | Endo, Kenichi (1528) | Won 2-1 | +201453 |
| top | average opponent: 1520record: 4-3 | new rating: 1453 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 517 | Sekikawa, Daichi (1767) | Won 2-0 | +241495 |
| 3standard | 545 | Kambe, Kojiro (1519) | Lost 1-2 | -181477 |
| 4standard | 691 | Yamamoto, Yuta (1530) | Lost 1-2 | -171460 |
| 5standard | 793 | Yokotsuka, Yu (1467) | Lost 1-2 | -181442 |
| 6standard | 790 | Ainai, Taku (1568) | Lost 0-2 | -161426 |
| 7standard | 770 | Kiuchi, Takahiro (1445) | Lost 0-2 | -171409 |
| 8standard | 719 | Kanda, Shigeru (1351) | Won 2-1 | +171426 |
| top | average opponent: 1521record: 2-5 | new rating: 1426 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 158 | Miyabe, Kouichi (1687) | Lost 0-2 | -151485 |
| 3sealed | 929 | Hamada, Junji (1599) | Lost 0-2 | -161469 |
| 4sealed | 1052 | Onishi, Yuya (1487) | Won 2-0 | +191488 |
| 5sealed | 836 | Nozaki, Taiki (1523) | Lost 0-2 | -181470 |
| 6sealed | 754 | Takanohashi, Tatsuya (1482) | Won 2-0 | +191489 |
| 7sealed | 589 | Fujii, Tomoya (1530) | Lost 1-2 | -181471 |
| top | average opponent: 1551record: 2-4 | new rating: 1471 | ||