Hiwatashi, Yasurou
Current rating: 1554
Record: 45-38-1
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1594 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 69 | Hosomi, Manato (1518) | Won 2-1 | +161610 |
| 3standard | 326 | Matsumoto, Fumiya (1725) | Lost 0-2 | -161594 |
| 4standard | 538 | Matsubara, Ichiro (1570) | Lost 0-2 | -181576 |
| 5standard | 448 | Arahori, Kazuaki (1417) | Lost 0-2 | -211555 |
| 6standard | 648 | Sasaki, Shin (1513) | Draw 1-1 | -11554 |
| top | average opponent: 1549record: 1-3-1 | new rating: 1554 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 598 | Shibayama, Hayato (1332) | Lost 1-2 | -221519 |
| 3modern | 919 | Hayasaki, Yusuke (1609) | Won 2-1 | +201539 |
| 4modern | 518 | Takeda, Teruhisa (1439) | Won 2-1 | +161555 |
| 5modern | 161 | Samejima, Ippei (1761) | Won 2-0 | +221577 |
| 6modern | 286 | Soeda, Kohei (1429) | Won 2-1 | +151592 |
| 7modern | 65 | Mikami, Yoshirou (1779) | Won 2-0 | +211613 |
| 8modern | 73 | Sugiyama, Kouichi (1458) | Lost 0-2 | -211592 |
| 9modern | 221 | Ikeda, Takeshi (1559) | Won 2-1 | +181610 |
| 10modern | 90 | Sano, Takumi (1512) | Lost 1-2 | -201590 |
| 11modern | 173 | Kobayashi, Atsumu (1558) | Won 2-0 | +171607 |
| 12modern | 98 | Matsumoto, Tomohiro (1599) | Won 2-0 | +181625 |
| 13modern | 52 | Mizuno, Yusuke (1723) | Lost 0-2 | -161609 |
| 14modern | 93 | Kobayashi, Kazutaka (1756) | Lost 1-2 | -151594 |
| top | average opponent: 1578record: 8-5 | new rating: 1594 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 378 | Yonaha, Syoryu (1427) | Lost 0-2 | -201526 |
| 2standard | 542 | Shigemura, Yuji (1548) | Lost 0-2 | -181508 |
| 3standard | 992 | Mizutani, Akitoshi (1383) | Lost 1-2 | -201488 |
| 4standard | 953 | Ichihara, Masahiro (1440) | Won 2-0 | +171505 |
| 5standard | 885 | Hagiya, Ginga (1451) | Won 2-0 | +171522 |
| 6standard | 688 | Takamiya, Issei (1488) | Won 2-1 | +171539 |
| 7standard | 525 | Michibata, Tatsuya (1614) | Won 2-0 | +201559 |
| 8standard | 385 | Nagami, Takahiro (1567) | Lost 0-2 | -181541 |
| top | average opponent: 1490record: 4-4 | new rating: 1541 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 652 | Ishikawa, Yuki (1459) | Won 2-1 | +161576 |
| 2standard | 620 | Tsuruta, Yoshiaki (1451) | Won 2-1 | +161592 |
| 3standard | 477 | Kawamura, Naoki (1407) | Lost 1-2 | -221570 |
| 4standard | 476 | Furuuchi, Yusuke (1450) | Won 2-0 | +161586 |
| 5standard | 364 | Ennis, Brenden (1513) | Lost 0-2 | -191567 |
| 6standard | 644 | Hongou, Masato (1509) | Won 2-0 | +171584 |
| 7standard | 378 | Imazawa, Junpei (1506) | Lost 0-2 | -201564 |
| 8standard | 588 | Tada, Masayuu (1534) | Lost 0-2 | -181546 |
| top | average opponent: 1479record: 4-4 | new rating: 1546 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1598 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 536 | Kamimura, Yohei (1514) | Won 2-0 | +171615 |
| 2sealed | 94 | Iriki, Ryou (1624) | Lost 1-2 | -181597 |
| 3sealed | 595 | Kamo, Kyouhei (1432) | Lost 1-2 | -211576 |
| 4sealed | 796 | Ogawa, Satoshi (1685) | Lost 1-2 | -161560 |
| top | average opponent: 1564record: 1-3 | new rating: 1560 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1630 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 237 | Goto, Satoshi (1492) | Won 2-1 | +151645 |
| 2sealed | 417 | Tanaka, Yuuya (1595) | Won 2-0 | +171662 |
| 3sealed | 328 | Sano, Kimiaki (1741) | Lost 1-2 | -161646 |
| 4sealed | 443 | Furusato, Hiroshi (1538) | Won 2-1 | +161662 |
| 5sealed | 483 | Kakihara, Shuichirou (1418) | Lost 1-2 | -231639 |
| 6sealed | 429 | Leung, Ryan (1480) | Lost 0-2 | -211618 |
| 7sealed | 693 | Iwasaki, Mitsumasa (1489) | Lost 1-2 | -201598 |
| top | average opponent: 1536record: 3-4 | new rating: 1598 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1662 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 207 | Yonezawa, Musashi (1780) | Lost 0-2 | -161646 |
| 2modern | 834 | Miyamoto, Naoki (1483) | Won 2-1 | +151661 |
| 3modern | 1150 | Tsubochi, Keita (1502) | Lost 0-2 | -211640 |
| 4modern | 944 | Matsuzaki, Kazuhisa (1484) | Won 2-1 | +151655 |
| 5modern | 1002 | Kawasaki, Masatsugu (1515) | Won 2-0 | +161671 |
| 6modern | 444 | Yamamoto, Keiichi (1506) | Lost 1-2 | -211650 |
| 7modern | 833 | Aoki, Kazushi (1524) | Lost 1-2 | -201630 |
| top | average opponent: 1542record: 3-4 | new rating: 1630 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1664 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 180 | Shimamura, Riku (1572) | Won 2-0 | +171681 |
| 2legacy | 381 | Kobayashi, Kazutaka (1665) | Lost 0-2 | -191662 |
| 3legacy | 962 | Masuda, Satoshi (1500) | Won 2-1 | +151677 |
| 4legacy | 345 | Shinozaki, Hiroki (1464) | Won 2-1 | +151692 |
| 5legacy | 295 | Kurokawa, Naoki (1593) | Won 2-0 | +161708 |
| 6legacy | 272 | Katagiri, Keisuke (1466) | Lost 1-2 | -231685 |
| 7legacy | 509 | Fukumoto, Hiroaki (1693) | Lost 1-2 | -171668 |
| 8legacy | 626 | You, Soyo (1501) | Lost 0-2 | -211647 |
| 9legacy | 594 | Kaneko, Masayuki4374 (1500) | Won 2-0 | +151662 |
| top | average opponent: 1550record: 5-4 | new rating: 1662 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 753 | Ouki, Kimura (1500) | Won 2-0 | +171571 |
| 2sealed | 82 | Takehana, Yuki (1521) | Won 2-0 | +171588 |
| 3sealed | 310 | Yamamoto, Tetsuji (1510) | Lost 1-2 | -191569 |
| 4sealed | 662 | Okada, Yuki (1562) | Won 2-1 | +181587 |
| 5sealed | 370 | Huang, Han Shen (1621) | Won 2-0 | +191606 |
| 6sealed | 212 | Takenaka, Toru (1525) | Won 2-1 | +161622 |
| 7sealed | 205 | Fujii, Tomoyuki (1631) | Lost 0-2 | -181604 |
| 8sealed | 243 | Yoshimura, Naoki (1535) | Won 2-0 | +171621 |
| 9sealed | 100 | Ushikubo, Kenichi (1562) | Won 2-1 | +171638 |
| 10draft | 119 | Ishida, Hiroshi (1699) | Won 2-0 | +191657 |
| 11draft | 252 | Itakura, Toshiyuki (1701) | Won 2-1 | +191676 |
| 12draft | 263 | Lu, Pengjie (1788) | Lost 0-2 | -161660 |
| 13draft | 113 | Higaki, Takao (1891) | Won 2-0 | +221682 |
| 14draft | 159 | Inagaki, Yukihiro (1701) | Lost 0-2 | -181664 |
| top | average opponent: 1625record: 10-4 | new rating: 1664 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 315 | Shibuya, Ryosuke (1509) | Won 2-0 | +181518 |
| 2sealed | 109 | Yamagishi, Hideaki (1518) | Won 2-1 | +181536 |
| 3sealed | 222 | Takeuchi, Akinari (1608) | Won 2-1 | +191555 |
| 4sealed | 95 | Kurata, Takayuki (1489) | Won 2-1 | +171572 |
| 5sealed | 19 | Ishida, Hiroshi (1657) | Lost 0-2 | -161556 |
| 6sealed | 49 | Chin, Mouse (1511) | Won 2-0 | +171573 |
| 7sealed | 37 | Hanaoka, Shinichiro (1571) | Won 2-0 | +181591 |
| 8sealed | 38 | Udagawa, Yoshihiko (1579) | Lost 0-2 | -181573 |
| 9sealed | 85 | Yokoyama, Takaya (1554) | Lost 0-2 | -191554 |
| top | average opponent: 1555record: 6-3 | new rating: 1554 | ||