Yamamoto, Ryoichi
Current rating: 1693
Record: 48-35 (GP) / 5-9 (professional)
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1685 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 124 | Ono, Kotaro (1602) | Won 2-0 | +161701 |
| 4standard | 177 | Ishii, Taisuke (1699) | Won 2-0 | +181719 |
| 5standard | 18 | Kobayashi, Kazutaka (1758) | Won 2-1 | +191738 |
| 6standard | 3 | Furukawa, Shun1524 (1572) | Won 2-1 | +151753 |
| 7standard | 12 | Miyajima, Kenichi (1610) | Lost 1-2 | -211732 |
| 8standard | 40 | Yang, Eunje (1748) | Lost 1-2 | -171715 |
| 9standard | 127 | Kamei, Hiroto (1564) | Won 2-0 | +151730 |
| 10standard | 79 | Miyake, Hideyuki (1774) | Lost 0-2 | -171713 |
| 11standard | 115 | Umehara, Kei (1646) | Lost 0-2 | -201693 |
| top | average opponent: 1664record: 5-4 | new rating: 1693 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1624 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 503 | Kabashima, Takuya (1628) | Won 2-0 | +181642 |
| 4sealed | 116 | Kumada, Keiichiro (1798) | Won 2-1 | +211663 |
| 5sealed | 110 | Maeda, Takuma (1591) | Won 2-1 | +161679 |
| 6sealed | 6 | Obitsu, Youtarou (1820) | Won 2-0 | +211700 |
| 7sealed | 31 | Lu, Pengjie (1756) | Won 2-1 | +191719 |
| 8sealed | 15 | Moriyama, Masahide (1857) | Lost 1-2 | -151704 |
| 9sealed | 22 | Morishima, Syouichi (1705) | Won 2-0 | +181722 |
| 10draft | 142 | Nakamura, Yusuke9902 (1812) | Won 2-1 | +191741 |
| 11draft | 103 | Murakami, Kazuya3837 (1826) | Won 2-1 | +201761 |
| 12draft | 145 | Ishikawa, Masahide (1892) | Lost 1-2 | -161745 |
| 13draft | 56 | Yamazaki, Takefumi (1576) | Lost 0-2 | -211724 |
| 14draft | 52 | Nakamura, Kazuhiro (1655) | Lost 1-2 | -191705 |
| 15draft | 41 | Suzuki, Ryo 4084 (1589) | Lost 1-2 | -201685 |
| top | average opponent: 1731record: 8-5 | new rating: 1685 | ||
| Mythic Championship II (modern) | starting rating: 1672 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 230 | Takao, Shota (1926) | Lost 1-2 | -131659 |
| 2draft | 240 | Hanyuu, Kento (1527) | Lost 0-2 | -211638 |
| 3draft | 46 | Chenard, Francois (1616) | Won 2-0 | +181656 |
| 4modern | 164 | Larsen, Christoffer (2041) | Lost 1-2 | -121644 |
| 5modern | 209 | Micallef, Ayrton (1722) | Won 2-0 | +201664 |
| 6modern | 191 | Chapin, Patrick (1789) | Won 2-0 | +201684 |
| 7modern | 132 | Utter-Leyton, Josh (2003) | Lost 1-2 | -121672 |
| 8modern | 170 | Gellis, Dylan (1820) | Won 2-1 | +201692 |
| 9draft | 132 | Flannagan, Jaxon (1742) | Lost 0-2 | -171675 |
| 10draft | 130 | Estephan, Jessica (1625) | Won 2-1 | +171692 |
| 11draft | 97 | Bina, Ondrej (1565) | Lost 1-2 | -201672 |
| 12modern | 149 | Friedman, Matt (1536) | Lost 0-2 | -201652 |
| 13modern | 76 | Salvatto, Luis (1770) | Lost 0-2 | -161636 |
| 14modern | 140 | Majlaton, Alex (1980) | Lost 1-2 | -121624 |
| top | average opponent: 1762record: 5-9 | new rating: 1624 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1693 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 423 | Han, Chin Yao (1791) | Won 2-1 | +201713 |
| 4standard | 206 | Hoshide, Naonari (1610) | Won 2-0 | +161729 |
| 5standard | 16 | Shih, Mu Fan (1581) | Lost 1-2 | -211708 |
| 6standard | 200 | Muroya, Ryusei (1564) | Lost 0-2 | -201688 |
| 7standard | 378 | Abe, Ken'Ichi (1808) | Lost 0-2 | -161672 |
| top | average opponent: 1671record: 2-3 | new rating: 1672 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1587 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 350 | Masuno, Ryosuke (1628) | Won 2-1 | +191606 |
| 4standard | 185 | Aoki, Yoshitsugu (1654) | Won 2-1 | +191625 |
| 5standard | 205 | Mizutani, Yosuke (1830) | Lost 1-2 | -151610 |
| 6standard | 351 | Shinagawa, Kazunari (1549) | Lost 1-2 | -191591 |
| 7standard | 404 | Zaizen, Kengo (1533) | Won 2-1 | +171608 |
| 8standard | 290 | Hosokawa, Yuya (1976) | Won 2-1 | +251633 |
| 9standard | 62 | Kamata, Kazuhiro (1701) | Won 2-1 | +191652 |
| 10standard | 87 | Hirata, Tomoki (1578) | Won 2-1 | +171669 |
| 11standard | 50 | Kurata, Shintaro (1762) | Won 2-0 | +191688 |
| 12standard | 15 | Wakizaka, Hironari (1705) | Won 2-1 | +191707 |
| 13standard | 9 | Sochurek, Petr (2003) | Lost 1-2 | -131694 |
| 14standard | 38 | Hara, Wataru (1683) | Won 2-1 | +181712 |
| 15standard | 23 | Endo, Natsumi (1693) | Lost 1-2 | -191693 |
| top | average opponent: 1715record: 9-4 | new rating: 1693 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1609 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 163 | Takao, Akinao (1624) | Lost 1-2 | -181591 |
| 4sealed | 408 | Wu, Yu-Ta (1487) | Won 2-1 | +161607 |
| 5sealed | 468 | Sawada, Ryo (1374) | Won 2-0 | +141621 |
| 6sealed | 269 | Yoshida, Yuuji (1858) | Lost 0-2 | -141607 |
| 7sealed | 261 | Iwasaki, Daisuke (1493) | Lost 0-2 | -201587 |
| top | average opponent: 1567record: 2-3 | new rating: 1587 | ||
| Grand Prix Beijing 2018 (DOM limited) | starting rating: 1610 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 84 | Wang, Hainan (1605) | Won 2-1 | +181628 |
| 4sealed | 17 | Zhang, Bo 1567 (1576) | Lost 1-2 | -191609 |
| 5sealed | 185 | Yoshida, Koki (1524) | Lost 1-2 | -201589 |
| 6sealed | 203 | Saudino, Amedee (1588) | Won 2-0 | +181607 |
| 7sealed | 142 | Nam, Kyung-Min (1644) | Won 2-1 | +191626 |
| 8sealed | 82 | Cai, Chenguang (1656) | Lost 0-2 | -171609 |
| top | average opponent: 1599record: 3-3 | new rating: 1609 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1631 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 316 | Shiura, Takefumi (1530) | Won 2-0 | +161647 |
| 4sealed | 177 | Shibata, Toru (1598) | Lost 1-2 | -191628 |
| 5sealed | 237 | Chen, Yiwen (1755) | Won 2-1 | +211649 |
| 6sealed | 198 | Hasegawa, Kazuhiko (1743) | Lost 1-2 | -171632 |
| 7sealed | 388 | Boku, Takashi (1733) | Lost 0-2 | -161616 |
| 8sealed | 491 | Yamada, Junki (1459) | Lost 0-2 | -211595 |
| 9sealed | 542 | Chen, Junrui (1411) | Won 2-0 | +151610 |
| top | average opponent: 1604record: 3-4 | new rating: 1610 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1625 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 196 | Sonomura, Yuusuke (1510) | Lost 0-2 | -201605 |
| 4modern | 654 | Konishi, Akio (1505) | Won 2-0 | +161621 |
| 5modern | 269 | Kometani, Yuki (1499) | Lost 1-2 | -201601 |
| 6modern | 829 | Higashino, Shogo (1343) | Won 2-1 | +131614 |
| 7modern | 463 | Shirai, Shota (1541) | Won 2-1 | +171631 |
| 8modern | 238 | Iwata, Mitsuhiro (1712) | Won 2-0 | +191650 |
| 9modern | 223 | Kusadani, Takehiko (1679) | Won 2-0 | +191669 |
| 10modern | 133 | Eguchi, Yukio (1717) | Won 2-1 | +191688 |
| 11modern | 108 | Ueda, Tadahiko (1584) | Lost 0-2 | -201668 |
| 12modern | 105 | Ikeda, Ippei (1586) | Lost 0-2 | -201648 |
| 13modern | 238 | Kanazawa, Ryo (1699) | Lost 0-2 | -171631 |
| top | average opponent: 1579record: 6-5 | new rating: 1631 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 382 | Kaizu, Hareta (1678) | Lost 1-2 | -151485 |
| 3standard | 766 | Fujita, Osamu (1681) | Won 2-1 | +221507 |
| 4standard | 846 | Ikeda, Takahiro (1656) | Won 2-1 | +201527 |
| 5standard | 311 | Okubo, Yoshihiko (1533) | Won 2-1 | +191546 |
| 6standard | 304 | Kobayashi, Atsumu (1632) | Lost 1-2 | -171529 |
| 7standard | 313 | Tanaka, Shun (1514) | Won 2-0 | +181547 |
| 8standard | 416 | Onoda, Kenji (1497) | Lost 0-2 | -191528 |
| 9standard | 545 | Konta, Takumi (1541) | Won 2-1 | +181546 |
| 10standard | 392 | Hiraga, Yuki (1575) | Won 2-1 | +191565 |
| 11standard | 239 | Koide, Yukua (1556) | Won 2-0 | +181583 |
| 12standard | 187 | Yokoyama, Itaru (1733) | Won 2-0 | +201603 |
| 13standard | 60 | Murata, Atsushi (1673) | Won 2-0 | +201623 |
| 14standard | 43 | Honda, Atsuo (1738) | Won 2-0 | +201643 |
| 15standard | 47 | Nanba, Naoya (1647) | Lost 0-2 | -181625 |
| top | average opponent: 1618record: 10-4 | new rating: 1625 | ||