Sugawara, Atsushi
Current rating: 1610
Record: 31-26-1
| Regional Championships Chiba 2023 (pioneer) | starting rating: 1583 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 42 | Shiraki, Takahiro (1833) | Won 2-1 | +231606 |
| 2pioneer | 48 | Kim, Do Hyung (1556) | Lost 0-2 | -191587 |
| 3pioneer | 44 | Ito, Keita (1501) | Lost 0-2 | -201567 |
| 4pioneer | 91 | Segou, Kenji (1855) | Won 2-1 | +231590 |
| 5pioneer | 63 | Adachi, Ryosuke (1697) | Won 2-1 | +201610 |
| 6pioneer | 24 | Miyano, Yudai (1601) | Lost 1-2 | -181592 |
| 7pioneer | 53 | Yoshimori, Sho (1609) | Won 2-0 | +181610 |
| top | average opponent: 1665record: 4-3 | new rating: 1610 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 68 | Shinoda, Akito (1892) | Lost 0-2 | -131583 |
| top | record: 0-1 | new rating: 1583 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1630 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 376 | Hayashi, Katsuji (1502) | Won 2-0 | +161646 |
| 4legacy | 175 | Kanda, Hiroshi (1521) | Won 2-1 | +151661 |
| 5legacy | 61 | Oda, Hideto (1684) | Won 2-1 | +191680 |
| 6legacy | 42 | Satou, Fumihiko (1436) | Won 2-0 | +131693 |
| 7legacy | 35 | Shimizu, Toshiki (1838) | Lost 1-2 | -151678 |
| 8legacy | 35 | Katou, Yuki (1586) | Won 2-0 | +161694 |
| 9legacy | 51 | Hori, Masataka (1709) | Lost 0-2 | -171677 |
| 10legacy | 52 | Komatsu, Yuuhei (1529) | Won 2-0 | +151692 |
| 11legacy | 39 | Minamizuka, Yuusuke (1586) | Lost 0-2 | -201672 |
| 12legacy | 98 | Wu, Wenhao (1608) | Lost 0-2 | -191653 |
| 13legacy | 164 | Takamura, Gen (1564) | Lost 1-2 | -201633 |
| 14legacy | 216 | Iijima, Shin (1561) | Lost 1-2 | -191614 |
| 15legacy | 216 | Hayata, Akira (1617) | Lost 1-2 | -181596 |
| top | average opponent: 1595record: 6-7 | new rating: 1596 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1567 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 16 | Atobe, Kazuki (1542) | Won 2-1 | +171584 |
| 3standard | 26 | Nishiyama, Shinosuke (1519) | Won 2-0 | +171601 |
| 4standard | 358 | Li, Ang 4241 (1540) | Won 2-0 | +171618 |
| 5standard | 53 | Komizo, Isao (1599) | Won 2-1 | +171635 |
| 6standard | 20 | Okuno, Yuuki (1650) | Won 2-0 | +191654 |
| 7standard | 18 | Osawa, Takuya (2033) | Won 2-1 | +241678 |
| 8standard | 13 | Horiuchi, Makoto (1845) | Won 2-1 | +211699 |
| 9standard | 3 | Chu Heng, Eng (1727) | Lost 0-2 | -171682 |
| 10standard | 14 | Wang, Zimo 5256 (1645) | Draw 1-1 | -11681 |
| 11standard | 33 | Chye, Yian Hsiang (2019) | Lost 0-2 | -121669 |
| 12standard | 85 | Otahara, Sho (1539) | Lost 0-2 | -201649 |
| 13standard | 165 | Izawa, Kazuki (1579) | Lost 0-2 | -201629 |
| 14standard | 213 | Hiroi, Genki (1517) | Lost 0-2 | -201609 |
| 15standard | 236 | Miyazono, Takeshi (1747) | Won 2-0 | +211630 |
| top | average opponent: 1679record: 8-5-1 | new rating: 1630 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 121 | Kouyama, Motoshi (1642) | Lost 0-2 | -161527 |
| 2standard | 889 | Kashima, Akihiro (1652) | Won 2-0 | +201547 |
| 3standard | 791 | Fujimoto, Takashi (1497) | Lost 0-2 | -191528 |
| 4standard | 1024 | Okazaki, Yuuki (1581) | Won 2-0 | +191547 |
| 5standard | 801 | Arahori, Kazuaki (1595) | Won 2-0 | +191566 |
| 6standard | 390 | Iwasaki, Yuusuke0068 (1673) | Won 2-1 | +201586 |
| 7standard | 259 | Takuya, Monoe (1548) | Lost 1-2 | -191567 |
| 8standard | 442 | Higashida, Tetsuaki (1510) | Won 2-0 | +171584 |
| 9standard | 356 | Nomura, Hidehiro (1593) | Lost 1-2 | -171567 |
| top | average opponent: 1588record: 5-4 | new rating: 1567 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 957 | Tanne, Takuma (1500) | Won 2-0 | +181522 |
| 2sealed | 948 | Huang, Shin Lin (1518) | Won 2-1 | +181540 |
| 3sealed | 953 | Naganawa, Yuuki (1701) | Won 2-0 | +201560 |
| 4sealed | 894 | Kubo, Yuta (1512) | Lost 1-2 | -181542 |
| 5sealed | 1024 | Abe, Hiroyuki (1596) | Lost 1-2 | -171525 |
| 6sealed | 1024 | Miyata, Yuuya (1560) | Won 2-0 | +181543 |
| 7sealed | 907 | Nemoto, Daisuke (1544) | Won 2-0 | +181561 |
| 8sealed | 913 | Yashiro, Hitoshi (1558) | Lost 0-2 | -181543 |
| top | average opponent: 1561record: 5-3 | new rating: 1543 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 711 | Nakada, Shogo (1440) | Won 2-0 | +171517 |
| 2sealed | 703 | Tsuchihashi, Takuya (1452) | Won 2-1 | +171534 |
| 3sealed | 781 | Kadowaki, Ryusuke (1538) | Lost 1-2 | -181516 |
| 4sealed | 794 | Matsumoto, Masataka (1741) | Won 2-0 | +221538 |
| 5sealed | 799 | Matsuyama, Satoshi (1647) | Lost 0-2 | -161522 |
| 6sealed | 755 | Cho, Sejeong (1514) | Lost 1-2 | -181504 |
| top | average opponent: 1555record: 3-3 | new rating: 1504 | ||