Sato, Kouki
Current rating: 1647
Record: 38-27
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1622 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 300 | Matsuda, Hideyuki (1524) | Lost 0-2 | -201602 |
| 2standard | 872 | Yajima, Hiromichi (1576) | Lost 0-2 | -181584 |
| 3standard | 1095 | Takamiya, Kazuya (1464) | Won 2-1 | +161600 |
| 4standard | 927 | Kochi, Daiki (1611) | Won 2-1 | +181618 |
| 5standard | 750 | Miura, Haku (1433) | Won 2-0 | +151633 |
| 6standard | 723 | Fukuyama, Kyohei (1516) | Won 2-0 | +161649 |
| 7standard | 448 | Goto, Yuki (1557) | Won 2-0 | +161665 |
| 8standard | 338 | Takahashi, Masamichi (1530) | Won 2-0 | +151680 |
| 9standard | 113 | Hotta, Shingo (1607) | Won 2-0 | +171697 |
| 10standard | 96 | Suzuki, Ryo (1712) | Lost 1-2 | -181679 |
| 11standard | 80 | Murae, Ryuji (1992) | Lost 0-2 | -121667 |
| 12standard | 141 | Enomoto, Keisuke (1541) | Lost 1-2 | -201647 |
| top | average opponent: 1588record: 7-5 | new rating: 1647 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1612 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 970 | Hongo, Hiroki (1500) | Won 2-1 | +161628 |
| 2sealed | 853 | Chiba, Akio (1849) | Lost 1-2 | -141614 |
| 3sealed | 910 | Sano, Takumi (1500) | Won 2-1 | +161630 |
| 4sealed | 775 | Shimizu, Ryouta (1575) | Won 2-1 | +171647 |
| 5sealed | 727 | Irie, Daiki (1475) | Lost 1-2 | -211626 |
| 6sealed | 773 | Yamada, Takatoshi (1519) | Won 2-1 | +161642 |
| 7sealed | 701 | Kawakita, Kairi (1558) | Lost 1-2 | -201622 |
| top | average opponent: 1568record: 4-3 | new rating: 1622 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1621 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 662 | Ikumi, Syun (1500) | Lost 0-2 | -211600 |
| 2sealed | 819 | Chatani, Yasutomo (1483) | Won 2-1 | +161616 |
| 3sealed | 718 | Ishikawa, Takahiro (1516) | Won 2-0 | +161632 |
| 4sealed | 689 | Yau, Winnie (1502) | Lost 0-2 | -201612 |
| top | average opponent: 1500record: 2-2 | new rating: 1612 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 642 | Onuma, Hayato (1227) | Won 2-1 | +111607 |
| 3standard | 549 | Ono, Shoichi (1641) | Won 2-1 | +191626 |
| 4standard | 549 | Wee, Pang Ming (1754) | Won 2-1 | +201646 |
| 5standard | 540 | Higuchi, Akashi (1554) | Lost 1-2 | -191627 |
| 6standard | 573 | Kodama, Yuu (1493) | Won 2-0 | +151642 |
| 7standard | 550 | Oikawa, Hakudou (1550) | Won 2-0 | +171659 |
| 8standard | 528 | Cho, Kou (1662) | Lost 1-2 | -181641 |
| 9standard | 640 | Takano, Masato (1522) | Lost 0-2 | -201621 |
| top | average opponent: 1550record: 5-3 | new rating: 1621 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1590 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 250 | Chihara, Ryota (1465) | Lost 1-2 | -201570 |
| 2standard | 317 | Hamamoto, Yohei (1526) | Won 2-0 | +171587 |
| 3standard | 322 | Hiroki, Oshikawa (1504) | Won 2-1 | +171604 |
| 4standard | 340 | Shiomi, Mitsuo (1521) | Lost 1-2 | -201584 |
| 5standard | 372 | Yano, Keitarou (1500) | Won 2-0 | +171601 |
| 6standard | 309 | Tajiri, Jun (1415) | Won 2-1 | +141615 |
| 7standard | 233 | Shirono, Ryo (1539) | Won 2-0 | +171632 |
| 8standard | 74 | Muraoka, Daiki (1614) | Lost 1-2 | -181614 |
| 9standard | 170 | Nagai, Mamoru (1623) | Lost 1-2 | -181596 |
| top | average opponent: 1523record: 5-4 | new rating: 1596 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 318 | Syouichi, Kihara (1500) | Won 2-1 | +181519 |
| 2sealed | 259 | Ushikubo, Kenichi (1403) | Lost 0-2 | -201499 |
| 3sealed | 368 | Yamakawa, Hiroaki (1494) | Won 2-1 | +181517 |
| 4sealed | 323 | Hagiwara, Yuuta (1464) | Won 2-0 | +171534 |
| 5sealed | 99 | Noguchi, Shun (1546) | Lost 0-2 | -181516 |
| 6sealed | 168 | Ishii, Ryou (1500) | Won 2-1 | +181534 |
| 7sealed | 176 | Arakawa, Tatsuya (1776) | Won 2-1 | +221556 |
| 8sealed | 235 | Hirose, Daichi (1429) | Won 2-0 | +161572 |
| 9sealed | 247 | Ito, Ken (1717) | Won 2-0 | +211593 |
| 10sealed | 77 | Yamauchi, Kazushi (1535) | Lost 0-2 | -191574 |
| 11sealed | 98 | Sunakawa, Keiji (1528) | Lost 0-2 | -191555 |
| 12draft | 7 | Sugimoto, Yuuki (1584) | Lost 0-2 | -181537 |
| 13draft | 31 | Sekiguchi, Kota (1527) | Won 2-1 | +181555 |
| 14draft | 68 | Akamatsu, Yoshiki (1555) | Won 2-1 | +181573 |
| 15draft | 70 | Hasegawa, Takashi (1566) | Won 2-1 | +181591 |
| 16draft | 41 | Akita, Naoto (1609) | Won 2-0 | +181609 |
| 17draft | 69 | Hattori, Kazuki (1558) | Lost 0-2 | -191590 |
| top | average opponent: 1546record: 11-6 | new rating: 1590 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 336 | Kamata, Tsukasa (1499) | Lost 0-2 | -181482 |
| 2standard | 461 | Endou, Taiki (1483) | Lost 1-2 | -181464 |
| 3standard | 670 | Ikeda, Takeaki (1463) | Won 2-1 | +181482 |
| 4standard | 677 | Honjo, Shuya (1557) | Lost 0-2 | -171465 |
| 5standard | 646 | Takahashi, Katsumi (1464) | Won 2-0 | +181483 |
| 6standard | 551 | Yonezaki, Daisuke (1450) | Won 2-1 | +181501 |
| 7standard | 468 | Oosawa, Syo (1502) | Won 2-0 | +181519 |
| 8standard | 297 | Kainuma, Satoru (1553) | Lost 0-2 | -181501 |
| top | average opponent: 1496record: 4-4 | new rating: 1501 | ||