Sakai, Shigeto
Current rating: 1440
Record: 33-42
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1434 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 526 | Oku, Daisaku (1479) | Lost 0-2 | -171417 |
| 2standard | 917 | Endo, Takatomo (1349) | Won 2-1 | +171434 |
| 3standard | 711 | Unnno, Tomohiro (1447) | Lost 0-2 | -181416 |
| 4standard | 1000 | Esuga, Yuuki (1469) | Won 2-1 | +191435 |
| 5standard | 643 | Jinba, Daisuke (1469) | Lost 0-2 | -171418 |
| 6standard | 870 | Yabata, Kenichi (1429) | Won 2-1 | +181436 |
| 7standard | 633 | Nakamura, Junya (1631) | Won 2-1 | +211457 |
| 8standard | 540 | Takemoto, Hikaru (1518) | Lost 0-2 | -171440 |
| top | average opponent: 1474record: 4-4 | new rating: 1440 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1409 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 199 | Yoshino, Naoki (1500) | Won 2-0 | +201429 |
| 2sealed | 441 | Matsubara, Tohru (1742) | Lost 1-2 | -131416 |
| 3sealed | 596 | Takiguchi, Yuta (1701) | Lost 0-2 | -131403 |
| 4sealed | 814 | Noguchi, Masahiko (1479) | Won 2-1 | +201423 |
| 5sealed | 883 | Sakai, Tatsuhiro (1504) | Won 2-0 | +191442 |
| 6sealed | 571 | Uzawa, Yuichi (1688) | Won 2-1 | +221464 |
| 7sealed | 423 | Asai, Ikuya (1604) | Lost 0-2 | -151449 |
| 8sealed | 464 | Yoshimura, Genki (1630) | Lost 1-2 | -151434 |
| top | average opponent: 1606record: 4-4 | new rating: 1434 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 175 | Sano, Futoshi (1649) | Lost 1-2 | -151440 |
| 2sealed | 856 | Ishino, Katsunori (1492) | Won 2-1 | +191459 |
| 3sealed | 776 | Makita, Shuuichi (1542) | Lost 0-2 | -161443 |
| 4sealed | 900 | U, Kashin (1547) | Lost 1-2 | -171426 |
| 5sealed | 1063 | Yamamoto, Kazuhide (1347) | Lost 1-2 | -191407 |
| 6sealed | 974 | Matsuura, Gen (1447) | Won 2-0 | +191426 |
| 7sealed | 843 | Mochizuki, Yasuhiro (1450) | Lost 1-2 | -181408 |
| 8sealed | 795 | Tazawa, Takatoshi (1478) | Won 2-1 | +191427 |
| 9sealed | 643 | Kobayashi, Jumpei (1398) | Lost 1-2 | -181409 |
| top | average opponent: 1483record: 3-6 | new rating: 1409 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 172 | Sonohara, Takashi (1424) | Won 2-0 | +181444 |
| 2standard | 217 | Hamasaki, Yuzuru (1470) | Lost 0-2 | -171427 |
| 3standard | 710 | Mitsui, Hideo (1673) | Won 2-1 | +221449 |
| 4standard | 373 | Yu, Ching Kong (1595) | Lost 1-2 | -151434 |
| 5standard | 853 | Osuga, Hiroaki (1356) | Won 2-1 | +161450 |
| 6standard | 733 | Berry, Alex (1555) | Lost 0-2 | -161434 |
| 7standard | 872 | Ishigami, Nobuhide (1421) | Won 2-0 | +181452 |
| 8standard | 677 | Ishikawa, Takahiro (1523) | Lost 1-2 | -171435 |
| 9standard | 600 | Togawa, Syuuichi (1499) | Won 2-0 | +201455 |
| top | average opponent: 1502record: 5-4 | new rating: 1455 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 703 | Kobayashi, Teruhisa (1500) | Won 2-0 | +181493 |
| 2standard | 705 | Takagi, Takeshi (1730) | Lost 0-2 | -131480 |
| 3standard | 849 | Tsutsumi, Yasunori (1505) | Won 2-0 | +181498 |
| 4standard | 558 | Sasaki, Shin (1386) | Lost 1-2 | -201478 |
| 5standard | 1171 | Semura, Junichi (1597) | Lost 0-2 | -161462 |
| 6standard | 1237 | Komiya, Yuki (1479) | Won 2-0 | +191481 |
| 7standard | 945 | Hinai, Kohei (1497) | Lost 1-2 | -181463 |
| 8standard | 968 | Okazaki, Daisuke (1478) | Lost 1-2 | -181445 |
| 9standard | 837 | Suginaka, Toshiya (1404) | Lost 1-2 | -191426 |
| top | average opponent: 1508record: 3-6 | new rating: 1426 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1420 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 794 | Ejima, Kazuki (1576) | Lost 0-2 | -151405 |
| 2sealed | 693 | Kabeshita, Yoshito (1472) | Won 2-1 | +191424 |
| 3sealed | 1003 | Takata, Kouhei (1609) | Won 2-0 | +211445 |
| 4sealed | 430 | Ishii, Takuya (1537) | Won 2-0 | +201465 |
| 5sealed | 322 | Sawada, Tetsushi (1540) | Won 2-0 | +191484 |
| 6sealed | 206 | Yamamoto, Kouhei2453 (1644) | Won 2-0 | +211505 |
| 7sealed | 188 | Uehara, Shinya (1587) | Lost 0-2 | -161489 |
| 8sealed | 172 | Fujiki, Munemitsu (1665) | Won 2-1 | +211510 |
| 9sealed | 237 | Igarashi, Takato (1561) | Lost 1-2 | -171493 |
| 10draft | 197 | Yamada, Ryuichiro (1781) | Won 2-0 | +231516 |
| 11draft | 215 | Yoshizawa, Masaru (1644) | Lost 0-2 | -161500 |
| 12draft | 215 | Kamo, Keisuke (1582) | Won 2-1 | +201520 |
| 13draft | 184 | Miyabe, Kouichi (1651) | Lost 1-2 | -161504 |
| 14draft | 256 | Inagawa, Katsuya (1559) | Lost 0-2 | -171487 |
| 15draft | 239 | Kim, Cynic (1829) | Lost 0-2 | -121475 |
| top | average opponent: 1616record: 8-7 | new rating: 1475 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 271 | Ando, Masanori (1364) | Won 2-1 | +161485 |
| 2standard | 22 | Nagafuchi, Takayuki (1518) | Won 2-1 | +181503 |
| 3standard | 72 | Chou, Gyou (1607) | Lost 0-2 | -161487 |
| 4standard | 632 | Takada, Hiroki (1525) | Lost 0-2 | -171470 |
| 5standard | 856 | Okamoto, Yasutaka (1514) | Won 2-0 | +191489 |
| 6standard | 648 | Kobayashi, Kazutaka (1533) | Lost 0-2 | -171472 |
| 7standard | 586 | Yoshida, Akihiko (1537) | Lost 1-2 | -171455 |
| 8standard | 646 | Yasuda, Takaaki (1485) | Lost 1-2 | -181437 |
| 9standard | 540 | Suzuki, Kazuto (1461) | Lost 0-2 | -171420 |
| top | average opponent: 1505record: 3-6 | new rating: 1420 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 71 | Umezu, Kazunobu (1500) | Won 2-1 | +181518 |
| 2sealed | 114 | Shikama, Taku (1564) | Lost 1-2 | -171501 |
| 3sealed | 441 | Kuno, Takashi (1506) | Won 2-1 | +181519 |
| 4sealed | 214 | Nomura, Shintaro (1492) | Won 2-0 | +171536 |
| 5sealed | 198 | Ochiai, Yusuke (1538) | Lost 1-2 | -181518 |
| 6sealed | 273 | Kanno, Atsushi (1719) | Lost 0-2 | -141504 |
| 7sealed | 237 | Hirayama, Atsushi (1644) | Lost 0-2 | -151489 |
| 8sealed | 232 | Shibata, Masataka (1385) | Lost 0-2 | -201469 |
| top | average opponent: 1543record: 3-5 | new rating: 1469 | ||