Hamada, Yuusai
Current rating: 1623
Record: 55-59
Grand Prix Nagoya 2014Grand Prix Shizuoka 2015Grand Prix Nagoya 2016Grand Prix Tokyo 2016Grand Prix Shizuoka 2017Grand Prix Kobe 2017Grand Prix Chiba 2018Grand Prix Shizuoka 2018 (legacy)Grand Prix Shizuoka 2018 (standard)Grand Prix Kyoto 2019Grand Prix Yokohama 2019Grand Prix Chiba 2019Grand Prix Nagoya 2019Grand Prix Nagoya 2020
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1639 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 80 | Kawasaki, Hirotaka (1798) | Lost 0-2 | -151624 |
| 4pioneer | 333 | Serizawa, Yuuki (1544) | Won 2-1 | +171641 |
| 5pioneer | 213 | Hayashi, Shinsuke (1847) | Lost 0-2 | -151626 |
| 6pioneer | 340 | Watanabe, Taiga (1548) | Won 2-1 | +171643 |
| 7pioneer | 264 | Fujii, Tomoya (1526) | Lost 1-2 | -201623 |
| top | average opponent: 1652record: 2-3 | new rating: 1623 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 135 | Miyake, Keigo (1530) | Won 2-0 | +181508 |
| 4standard | 126 | Niwa, Keita (1617) | Won 2-1 | +201528 |
| 5standard | 42 | Sato, Tatsuo (1481) | Won 2-1 | +171545 |
| 6standard | 36 | Ishikawa, Kenji (1541) | Lost 1-2 | -181527 |
| 7standard | 73 | Matsuyama, Satoshi (1717) | Won 2-1 | +221549 |
| 8standard | 20 | Samejima, Ippei (1774) | Lost 0-2 | -141535 |
| 9standard | 140 | Terai, Tadayuki (1764) | Won 2-1 | +221557 |
| 10standard | 64 | Yoshimoto, Ryuya (1656) | Won 2-0 | +201577 |
| 11standard | 66 | Kojima, Yoshifumi (1759) | Won 2-0 | +211598 |
| 12standard | 21 | Amemiya, Kouhei (1641) | Lost 1-2 | -171581 |
| 13standard | 41 | Mikami, Akihiro (1675) | Won 2-1 | +201601 |
| 14standard | 27 | Miyagi, Moto (1754) | Won 2-1 | +201621 |
| 15standard | 25 | Hirayama, Rei (1610) | Won 2-0 | +181639 |
| top | average opponent: 1655record: 10-3 | new rating: 1639 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 208 | Oyaizu, Keigo (1500) | Won 2-0 | +181527 |
| 4sealed | 28 | Suzuki, Masahiro 5436 (1671) | Won 2-1 | +211548 |
| 5sealed | 10 | Okamura, Takumi (1559) | Won 2-0 | +181566 |
| 6sealed | 10 | Moriyama, Masahide (1832) | Lost 1-2 | -131553 |
| 7sealed | 194 | Sasaki, Kensuke (1626) | Won 2-1 | +191572 |
| 8sealed | 84 | Matsukawa, Kentarou (1569) | Lost 1-2 | -181554 |
| 9sealed | 104 | Ohara, Wataru (1457) | Won 2-1 | +161570 |
| 10draft | 67 | Terasawa, Kazuya (1854) | Lost 1-2 | -131557 |
| 11draft | 12 | Watanabe, Kouhei 8114 (1574) | Lost 0-2 | -171540 |
| 12draft | 61 | Huang, Yung-Ming (1708) | Lost 0-2 | -151525 |
| 13draft | 193 | Wa, Ho (1633) | Lost 0-2 | -161509 |
| 14draft | 76 | Nobuta, Kazuhito (1455) | Lost 0-2 | -191490 |
| top | average opponent: 1620record: 5-7 | new rating: 1490 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 507 | Ihara, Akihiro (1343) | Won 2-1 | +151525 |
| 3modern | 411 | Taniguchi, Hiroaki (1852) | Won 2-1 | +241549 |
| 4modern | 109 | Iseya, Akihiro (1539) | Lost 0-2 | -181531 |
| 5modern | 386 | Honda, Rintaro (1912) | Lost 0-2 | -121519 |
| 6modern | 527 | Kanbara, Hokuto (1643) | Won 2-0 | +211540 |
| 7modern | 465 | Oikawa, Hakudou (1719) | Lost 0-2 | -151525 |
| 8modern | 535 | Onizuka, Hiroshi (1663) | Lost 0-2 | -161509 |
| top | average opponent: 1667record: 3-4 | new rating: 1509 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 470 | Yamada, Masaki (1462) | Lost 1-2 | -191462 |
| 3standard | 628 | Fukuda, Hajime (1498) | Won 2-1 | +191481 |
| 4standard | 333 | Yanase, Kaname (1689) | Won 2-0 | +221503 |
| 5standard | 212 | Kageyama, Hiroki (1706) | Won 2-1 | +211524 |
| 6standard | 93 | Naide, Kazutaka (1728) | Won 2-1 | +221546 |
| 7standard | 105 | Yang, Eunje (1596) | Lost 0-2 | -171529 |
| 8standard | 284 | Ishikawa, Hayate (1489) | Lost 1-2 | -191510 |
| top | average opponent: 1595record: 4-3 | new rating: 1510 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 483 | Kagoi, Yuki (1345) | Won 2-1 | +151490 |
| 2standard | 540 | Arai, Kenichiro (1766) | Lost 0-2 | -131477 |
| 3standard | 958 | Tanizaki, Masakazu (1500) | Won 2-0 | +191496 |
| 4standard | 690 | Saitou, Masashi (1364) | Won 2-1 | +151511 |
| 5standard | 335 | Miyamoto, Hiroya (1821) | Lost 1-2 | -121499 |
| 6standard | 687 | Hirata, Kosuke (1518) | Lost 1-2 | -181481 |
| 7standard | 698 | Hasegawa, Atusi (1382) | Lost 0-2 | -201461 |
| 8standard | 656 | Ueyama, Hideo (1535) | Won 2-1 | +201481 |
| top | average opponent: 1529record: 4-4 | new rating: 1481 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 105 | Hirooka, Hideki (1404) | Lost 0-2 | -201490 |
| 2legacy | 362 | Horikawa, Hideaki (1480) | Lost 0-2 | -181472 |
| 3legacy | 586 | Shikibu, Hayato (1535) | Lost 1-2 | -171455 |
| 4legacy | 651 | Yamahana, Takeshi (1443) | Won 2-0 | +181473 |
| 5legacy | 591 | Omori, Wataru (1507) | Won 2-0 | +191492 |
| 6legacy | 423 | Arai, Makoto (1532) | Lost 1-2 | -181474 |
| 7legacy | 474 | Amano, Makoto (1406) | Won 2-1 | +171491 |
| 8legacy | 376 | Sugita, Daichi (1580) | Lost 1-2 | -161475 |
| top | average opponent: 1486record: 3-5 | new rating: 1475 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Miyagi, Moto (1654) | Won 2-0 | +211465 |
| 2sealed | 532 | Furukawa, Syun6268 (1510) | Won 2-0 | +191484 |
| 3sealed | 293 | Yufu, Seizi (1537) | Won 2-1 | +191503 |
| 4sealed | 113 | Kang, Jian (1597) | Won 2-1 | +201523 |
| 5sealed | 49 | Maki, Ryosuke (1562) | Lost 1-2 | -171506 |
| 6sealed | 323 | Ikarashi, Satoru (1539) | Won 2-0 | +181524 |
| 7sealed | 133 | Pan, Minxing (1873) | Lost 1-2 | -121512 |
| 8sealed | 180 | Hashidate, Itaru (1541) | Won 2-1 | +191531 |
| 9sealed | 213 | Chan, Teksang (1615) | Lost 0-2 | -171514 |
| 10draft | 588 | Sasao, Yusuke (1687) | Lost 0-2 | -141500 |
| 11draft | 675 | Shimizu, Toshiki (1843) | Won 2-1 | +241524 |
| 12draft | 677 | Kitahara, Junya (1492) | Won 2-0 | +171541 |
| 13draft | 626 | Lu, Pengjie (1780) | Lost 0-2 | -141527 |
| 15draft | 612 | Honda, Soma (1571) | Lost 1-2 | -171510 |
| top | average opponent: 1629record: 8-6 | new rating: 1510 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 379 | Takagi, Kengo (1489) | Won 2-0 | +181469 |
| 4modern | 226 | Takada, Shingo (1505) | Lost 1-2 | -171452 |
| 5modern | 558 | Tanigawa, Yasuto (1534) | Won 2-0 | +191471 |
| 6modern | 258 | Kitayama, Hodaka (1558) | Lost 0-2 | -161455 |
| 7modern | 380 | Fujii, Yuusaku (1556) | Won 2-0 | +201475 |
| 8modern | 156 | Furuta, Yusuke (1664) | Lost 0-2 | -151460 |
| 9modern | 518 | Horigome, Ryoma (1536) | Lost 0-2 | -161444 |
| top | average opponent: 1549record: 3-4 | new rating: 1444 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 629 | Furugen, Takeji (1462) | Won 2-1 | +181490 |
| 4standard | 106 | Yokoyama, Itaru (1696) | Lost 1-2 | -141476 |
| 5standard | 234 | Takano, Kodai (1555) | Won 2-1 | +191495 |
| 6standard | 386 | Itou, Motoaki (1915) | Lost 0-2 | -101485 |
| 7standard | 340 | Kishihara, Nobuaki (1529) | Lost 0-2 | -181467 |
| 8standard | 760 | Yanagidate, Ikumi (1537) | Lost 1-2 | -161451 |
| top | average opponent: 1616record: 2-4 | new rating: 1451 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 19 | Hatayama, Takaharu (1512) | Won 2-1 | +181508 |
| 3standard | 444 | Tatsumi, Kouji (1555) | Won 2-0 | +191527 |
| 4standard | 269 | Toyota, Kazuhisa (1462) | Lost 1-2 | -191508 |
| 5standard | 350 | Anan, Kazuyoshi (1593) | Lost 0-2 | -171491 |
| 6standard | 601 | Utsumi, Hironobu (1435) | Lost 0-2 | -191472 |
| top | average opponent: 1511record: 2-3 | new rating: 1472 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1386 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 26 | Yamazaki, Jun (1424) | Won 2-1 | +191405 |
| 4sealed | 34 | Matsuo, Hirokazu (1560) | Won 2-1 | +211426 |
| 5sealed | 45 | Tsubouchi, Tomoya (1680) | Won 2-1 | +221448 |
| 6sealed | 61 | Akita, Naoto (1642) | Lost 0-2 | -141434 |
| 7sealed | 171 | Kitamoto, Hiroki (1730) | Lost 0-2 | -131421 |
| 8sealed | 175 | Takahashi, Yoshitaka (1451) | Won 2-0 | +191440 |
| 9sealed | 163 | Kai, Hidekazu (1741) | Won 2-1 | +231463 |
| 10draft | 221 | Kuwata, Tikara (1655) | Won 2-0 | +211484 |
| 11draft | 337 | Yasuda, Seita (1777) | Lost 0-2 | -121472 |
| 12draft | 337 | Itou, Masayoshi (1636) | Lost 0-2 | -151457 |
| 13draft | 34 | Nagai, Mamoru (1720) | Won 2-0 | +221479 |
| 14draft | 101 | Gotou, Hiroaki (1699) | Won 2-0 | +221501 |
| 15draft | 80 | Nakamichi, Daisuke (1880) | Lost 0-2 | -111490 |
| top | average opponent: 1661record: 8-5 | new rating: 1490 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 899 | Higashida, Tetsuaki (1500) | Lost 1-2 | -171439 |
| 2sealed | 888 | Kashiwase, Kazuya (1478) | Lost 1-2 | -171422 |
| 3sealed | 1087 | Sakaguchi, Hiroshi (1373) | Lost 1-2 | -191403 |
| 4sealed | 1105 | Chiba, Taiji (1482) | Lost 0-2 | -171386 |
| top | average opponent: 1458record: 0-4 | new rating: 1386 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 51 | Komuro, Shuu (1912) | Won 2-1 | +251525 |
| 2sealed | 37 | Fujiwara, Yuuichirou (1517) | Lost 0-2 | -181507 |
| 3sealed | 220 | Yamasaki, Yudai (1684) | Lost 0-2 | -151492 |
| 4sealed | 292 | Maeda, Yasuyuki (1422) | Lost 1-2 | -191473 |
| 5sealed | 256 | Kim, Ki-won (1547) | Lost 1-2 | -171456 |
| top | average opponent: 1616record: 1-4 | new rating: 1456 | ||