Sakai, Yuuki
Current rating: 1456
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1434 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 77 | Amada, Michio (1466) | Won 2-0 | +191453 |
| 3standard | 265 | Yamamura, Toshiki (1644) | Won 2-0 | +211474 |
| 4standard | 158 | Morimoto, Shingo (1477) | Won 1-0 | +181492 |
| 5standard | 52 | Ito, Takuro (1563) | Lost 0-2 | -161476 |
| 6standard | 205 | Iwasaki, Mitsumasa (1389) | Lost 0-2 | -201456 |
| 7standard | 380 | Yonemura, Tomomi (1407) | Lost 1-2 | -191437 |
| 8standard | 317 | Nishi, Kohei (1502) | Won 2-1 | +191456 |
| top | average opponent: 1493record: 4-3 | new rating: 1456 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 65 | Takeda, Yoshihide (1495) | Won 2-0 | +191494 |
| 3sealed | 277 | Matsuda, Yuuki1037 (1754) | Lost 0-2 | -141480 |
| 4sealed | 518 | Yamamoto, Akimasa (1713) | Lost 0-2 | -141466 |
| 5sealed | 668 | Takahira, Shunsuke (1695) | Lost 0-2 | -141452 |
| 6sealed | 769 | Fujiwara, Tsukasa (1544) | Won 2-1 | +201472 |
| 7sealed | 570 | Kamioka, Masayuki (1568) | Lost 0-2 | -161456 |
| 8sealed | 484 | Yabata, Kenichi (1262) | Lost 0-2 | -221434 |
| top | average opponent: 1576record: 2-5 | new rating: 1434 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 86 | Fukano, Tatsuya (1502) | Lost 0-2 | -181482 |
| 3modern | 691 | Miyake, Daisuke1035 (1372) | Lost 0-2 | -201462 |
| 4modern | 828 | Kido, Katsunori (1321) | Won 2-1 | +151477 |
| 5modern | 905 | Toyoda, Ryosuke (1477) | Won 2-1 | +181495 |
| 6modern | 498 | Suzuki, Toru (1421) | Lost 0-2 | -191476 |
| 7modern | 676 | Akimoto, Syouta (1393) | Lost 1-2 | -191457 |
| 8modern | 657 | Komizo, Isao (1487) | Won 2-1 | +181475 |
| top | average opponent: 1425record: 3-4 | new rating: 1475 | ||