Yamaguchi, Yuuichi
Current rating: 1649
Record: 99-87-3
- 2002
- 2004
- 2005
- 2006
- 2007
- 2008
- 2009
- 2012
- 2013
- 2015
- 2016
- 2017
- 2018
- 2019
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1630 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 192 | Hong, Liang (1458) | Won 2-1 | +151645 |
| 2sealed | 193 | Nan, Tu (1793) | Lost 0-2 | -151630 |
| 3sealed | 902 | Maeda, Ryo (1367) | Won 2-1 | +131643 |
| 4sealed | 732 | Nakazima, Syunsuke (1557) | Won 2-1 | +161659 |
| 5sealed | 391 | Nagayama, Sou (1497) | Won 2-0 | +161675 |
| 6sealed | 190 | Agemura, Shota (1492) | Won 2-0 | +141689 |
| 7sealed | 141 | Oohashi, Toshiya (1734) | Lost 1-2 | -171672 |
| 8sealed | 229 | Kimura, Yuu1332 (1393) | Won 2-0 | +131685 |
| 9sealed | 80 | Kusunoki, Yuki (1696) | Lost 0-2 | -181667 |
| 10draft | 195 | Kawamura, Naoki (1506) | Won 2-1 | +151682 |
| 11draft | 138 | Furusawa, Shu (1889) | Lost 1-2 | -141668 |
| 12draft | 46 | Kambe, Kojiro (1595) | Lost 0-2 | -191649 |
| top | average opponent: 1581record: 7-5 | new rating: 1649 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1647 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 272 | Tsubouchi, Yuichi (1412) | Won 2-1 | +141661 |
| 2standard | 582 | Koga, Toshimitsu (1668) | Lost 0-2 | -181643 |
| 3standard | 728 | Kozutsumi, Shin (1446) | Lost 1-2 | -211622 |
| 4standard | 946 | Sato, Ryoya (1388) | Won 2-0 | +141636 |
| 5standard | 745 | Onishi, Akira (1470) | Won 2-1 | +151651 |
| 6standard | 482 | Nakamura, Go (1518) | Lost 0-2 | -211630 |
| top | average opponent: 1484record: 3-3 | new rating: 1630 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1660 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 396 | Yamakita, Yuya (1665) | Lost 1-2 | -181642 |
| 2sealed | 947 | Tsunoda, Satoshi (1352) | Lost 1-2 | -231619 |
| 3sealed | 1060 | Fujii, Mikiya (1459) | Won 2-1 | +151634 |
| 4sealed | 909 | Konuma, Mizuki (1478) | Won 2-0 | +151649 |
| 5sealed | 795 | Tong, Xinyao (1539) | Won 2-1 | +161665 |
| 6sealed | 636 | Takeshita, Toru (1695) | Lost 1-2 | -181647 |
| top | average opponent: 1531record: 3-3 | new rating: 1647 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1673 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 568 | Goto, Satoshi (1505) | Won 2-0 | +151688 |
| 4modern | 296 | Wang, Ge-Tine (1450) | Won 2-1 | +141702 |
| 5modern | 39 | Kageyama, Hiroki (1738) | Won 2-1 | +191721 |
| 6modern | 67 | Utiyama, Yasuyuki (1704) | Won 2-0 | +171738 |
| 7modern | 23 | Mituyasu, Yuki (1578) | Won 2-0 | +151753 |
| 8modern | 9 | Noine, Kazuhiro (1743) | Lost 0-2 | -181735 |
| 9modern | 55 | Gibralta, Thierry (1671) | Lost 0-2 | -191716 |
| 10modern | 85 | Ji, Zihao (1821) | Lost 0-2 | -161700 |
| 11modern | 274 | Asai, Kyosuke (1578) | Lost 1-2 | -201680 |
| 12modern | 280 | Hirano, Satohiro (1562) | Lost 0-2 | -201660 |
| top | average opponent: 1635record: 5-5 | new rating: 1660 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 450 | Ootake, Takeshi (1669) | Lost 0-2 | -161547 |
| 2standard | 623 | Takeuchi, Shouhei (1563) | Won 2-0 | +181565 |
| 3standard | 911 | Kobayashi, Kazuma (1500) | Won 2-1 | +171582 |
| 4standard | 496 | Yanagidate, Ikumi (1539) | Won 2-0 | +171599 |
| 5standard | 506 | Itoh, Akira (1396) | Won 2-0 | +141613 |
| 6standard | 147 | Atsuji, Makoto (1477) | Won 2-0 | +161629 |
| 7standard | 126 | Takahashi, Nozomu (1769) | Lost 0-2 | -151614 |
| 8standard | 358 | Okada, Masakazu (1566) | Draw 1-1 | -11613 |
| 9standard | 286 | Onizuka, Hiroshi (1723) | Won 2-0 | +201633 |
| 10standard | 182 | Chiba, Takato (1636) | Lost 1-2 | -181615 |
| 11standard | 297 | Kawamura, Kazushi (1779) | Won 2-1 | +211636 |
| 12standard | 205 | Sakamoto, Masaaki (1592) | Won 2-1 | +171653 |
| 13standard | 137 | Kurihara, Yuuji (1641) | Won 2-0 | +181671 |
| 14standard | 90 | Morinaga, Yousuke (1769) | Lost 1-2 | -171654 |
| 15standard | 138 | Sakaino, Yuta (1696) | Won 2-0 | +191673 |
| top | average opponent: 1621record: 10-4-1 | new rating: 1673 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 273 | Arimoto, Sousuke (1500) | Won 2-0 | +171568 |
| 2legacy | 473 | Shimada, Shohei (1517) | Lost 1-2 | -191549 |
| 3legacy | 975 | Fujita, Tomohiro (1527) | Won 2-0 | +181567 |
| 4legacy | 611 | Karibe, Ryutaro (1513) | Lost 0-2 | -191548 |
| 5legacy | 728 | Ooba, Hideto (1422) | Won 2-0 | +161564 |
| 6legacy | 379 | Choi, Kiho (1466) | Won 2-0 | +161580 |
| 7legacy | 460 | Nystrom, Sebastian (1502) | Lost 0-2 | -191561 |
| 8legacy | 469 | Rapera, Rainieralexis (1503) | Won 2-0 | +171578 |
| 9legacy | 286 | [anonymous] | Lost 1-2 | -151563 |
| top | average opponent: 1523record: 5-4 | new rating: 1563 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 82 | Suzuki, Shouta (1502) | Won 2-0 | +171571 |
| 2sealed | 159 | Yoshida, Kei (1550) | Lost 0-2 | -181553 |
| 3sealed | 916 | Matsumoto, Shou (1509) | Won 2-0 | +171570 |
| 4sealed | 524 | Hirose, Yutaka (1349) | Won 2-0 | +141584 |
| 5sealed | 187 | Yoon, Sang-Woong (1621) | Lost 0-2 | -171567 |
| 6sealed | 452 | Wada, Yuki (1748) | Lost 1-2 | -151552 |
| 7sealed | 631 | Ueno, Tomoya (1539) | Won 2-0 | +181570 |
| 8sealed | 623 | Hayashi, Tetsuo (1537) | Lost 0-2 | -191551 |
| top | average opponent: 1544record: 4-4 | new rating: 1551 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 338 | Syoubayashi, Yuuki (1483) | Won 2-0 | +171557 |
| 2standard | 19 | Matumura, Toshimi (1468) | Lost 0-2 | -201537 |
| 3standard | 663 | Shimizu, Teruaki (1484) | Lost 0-2 | -191518 |
| 4standard | 923 | Makita, Kyosuke (1484) | Won 2-0 | +181536 |
| 5standard | 619 | Iwatou, Kodai (1499) | Won 2-1 | +171553 |
| 6standard | 417 | Tanaka, Tomoya (1540) | Won 2-0 | +181571 |
| 7standard | 323 | Iguchi, Taisuke (1656) | Lost 0-2 | -171554 |
| top | average opponent: 1516record: 4-3 | new rating: 1554 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1582 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 273 | Sakai, Arata (1500) | Lost 0-2 | -191563 |
| 2sealed | 464 | Hashiguchi, Yuuko (1482) | Won 2-0 | +161579 |
| 3sealed | 343 | Shiraishi, Ryou (1645) | Lost 1-2 | -171562 |
| 4sealed | 396 | Ueda, Yushi (1326) | Lost 1-2 | -221540 |
| top | average opponent: 1488record: 1-3 | new rating: 1540 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 243 | Sato, Yuki3203 (1500) | Lost 0-2 | -191546 |
| 2sealed | 282 | Goh, Yong Zhi Nicholas (1616) | Lost 0-2 | -171529 |
| 3sealed | 472 | Nihongi, Yuta (1389) | Won 2-0 | +151544 |
| 4sealed | 357 | Uozumi, Naoki (1484) | Won 2-0 | +171561 |
| 5sealed | 267 | Oikawa, Masafumi (1415) | Won 2-0 | +161577 |
| 6sealed | 157 | Kumagai, Riku (1711) | Won 2-0 | +201597 |
| 7sealed | 107 | Arita, Koichi (1763) | Lost 1-2 | -151582 |
| top | average opponent: 1554record: 4-3 | new rating: 1582 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 103 | Nonaka, Shouhei (1500) | Won 2-0 | +171563 |
| 2sealed | 223 | Watanabe, Masaki (1462) | Won 2-0 | +161579 |
| 3sealed | 115 | Kanno, Masashi (1621) | Lost 0-2 | -171562 |
| 4sealed | 133 | Kibe, Keisuke (1530) | Won 2-0 | +171579 |
| 5sealed | 181 | Matsuo, Yoshiyuki (1558) | Lost 0-2 | -181561 |
| 6sealed | 171 | Honda, Jun'Ichi (1581) | Won 2-1 | +181579 |
| 7sealed | 187 | Shiraishi, Masaharu (1590) | Won 2-0 | +181597 |
| 8sealed | 209 | Wentao, Qi (1592) | Lost 1-2 | -181579 |
| 9sealed | 295 | Takagi, Takeshi (1776) | Lost 0-2 | -141565 |
| top | average opponent: 1579record: 5-4 | new rating: 1565 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 404 | Terazawa, Hiroyuki (1500) | Won 2-1 | +181506 |
| 2standard | 375 | Koizumi, Hiroki (1504) | Won 2-1 | +181524 |
| 3standard | 101 | Tanaka, Hiroshi (1595) | Won 2-0 | +191543 |
| 4standard | 198 | Maki, Toshiya (1555) | Won 2-1 | +191562 |
| 5standard | 78 | Tanimoto, Yusaku (1613) | Won 1-0 | +191581 |
| 6standard | 29 | Torigoe, Seitaro (1696) | Lost 1-2 | -161565 |
| 7standard | 50 | Shimizu, Haruo (1599) | Won 2-0 | +181583 |
| 8standard | 43 | Toyota, Hiroki (1490) | Lost 1-2 | -191564 |
| 9standard | 100 | Saitou, Kazuyuki (1569) | Lost 1-2 | -181546 |
| top | average opponent: 1569record: 6-3 | new rating: 1546 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 428 | Ogawa, Ryota (1498) | Lost 1-2 | -191526 |
| 2modern | 482 | Igarashi, Hisashi (1482) | Won 2-1 | +171543 |
| 3modern | 411 | Kawasaki, Shingo (1445) | Lost 1-2 | -201523 |
| 4modern | 663 | Shiota, Fumihiko (1594) | Lost 0-2 | -161507 |
| 5modern | 597 | Yamazaki, Kouhei (1463) | Lost 1-2 | -191488 |
| top | average opponent: 1496record: 1-4 | new rating: 1488 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1590 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 204 | Okuyama, Mitsutoshi (1500) | Lost 0-2 | -201570 |
| 2sealed | 404 | Yuusuke I, (1484) | Lost 1-2 | -191551 |
| 3sealed | 441 | Kanayama, Haruki (1464) | Won 2-1 | +161567 |
| 4sealed | 405 | Tanaka, Yu (1437) | Lost 1-2 | -201547 |
| 5sealed | 441 | Nii, Masanobu (1502) | Won 2-1 | +171564 |
| 6sealed | 350 | Ng, Kar Wye (1506) | Lost 1-2 | -191545 |
| top | average opponent: 1482record: 2-4 | new rating: 1545 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1608 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 68 | Ishikawa, Masayo (1792) | Won 2-0 | +211629 |
| 3sealed | 8 | Hirokawa, Tatsuya (1544) | Lost 0-2 | -191610 |
| 4sealed | 148 | Ikeda, Yasuhisa (1514) | Lost 0-2 | -201590 |
| top | average opponent: 1617record: 1-2 | new rating: 1590 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1625 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 33 | Nakamura, Yusuke (1580) | Draw 1-1 | -11624 |
| 3extended | 81 | Sawada, Ken (1630) | Lost 1-2 | -171607 |
| 4extended | 178 | Kitazono, Kensuke (1592) | Lost 1-2 | -191588 |
| 5extended | 209 | Aoki, Kazuya (1671) | Won 2-0 | +201608 |
| top | average opponent: 1618record: 1-2-1 | new rating: 1608 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1644 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 78 | Nakajima, Gou (1578) | Won 2-1 | +171661 |
| 3sealed | 17 | Kataoka, Kazuyuki (1731) | Won 2-0 | +191680 |
| 4sealed | 15 | Oosaka, Yuusuke (1657) | Lost 0-2 | -181662 |
| 5sealed | 109 | Koyama, Kenta (1714) | Lost 1-2 | -171645 |
| 6sealed | 53 | Masuda, Masakazu (1561) | Lost 0-2 | -201625 |
| top | average opponent: 1648record: 2-3 | new rating: 1625 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1667 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 95 | Taira, Shunichi (1634) | Lost 0-2 | -181649 |
| 4block | 98 | Yatsushiro, Norihito (1516) | Won 2-1 | +151664 |
| 5block | 63 | Suzuki, Nobuyoshi (1552) | Lost 0-2 | -201644 |
| top | average opponent: 1567record: 1-2 | new rating: 1644 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1625 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 54 | Tezuka, Yuuki (1437) | Won 1-0 | +151640 |
| 3standard | 65 | Hosaka, Masateru (1521) | Won 2-0 | +161656 |
| 4standard | 34 | Yanagisawa, Tadahiro (1620) | Lost 1-2 | -191637 |
| 5standard | 95 | Cosic, Refik (1491) | Won 2-0 | +151652 |
| 6standard | 12 | Yukuhiro, Ken (1682) | Won 2-1 | +191671 |
| 7standard | 191 | Nakano, Yoshitaka (1987) | Lost 0-2 | -131658 |
| 8standard | 199 | Aono, Yoshio (1588) | Won 2-0 | +171675 |
| 9standard | 137 | Takahashi, Yuta (1975) | Lost 0-2 | -131662 |
| 10standard | 29 | Iyanaga, Junya (1948) | Lost 0-2 | -131649 |
| 11standard | 48 | Takanashi, Kouji (1708) | Won 2-1 | +201669 |
| 12standard | 23 | Imai, Hideaki (1579) | Lost 1-2 | -201649 |
| 13standard | 18 | Takesue, Chikara (1672) | Won 2-0 | +181667 |
| 14standard | 18 | Chen, Liang (1632) | Won 2-0 | +181685 |
| 15standard | 11 | Kurakami, Shun (1718) | Lost 0-2 | -181667 |
| 16standard | 3 | Watanabe, Masayoshi (1564) | ID | 01667 |
| top | average opponent: 1675record: 8-6-1 | new rating: 1667 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1648 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 47 | Yanase, Kaname (1548) | Won 2-0 | +161664 |
| 4standard | 37 | Ikeda, Tsuyoshi (1881) | Won 2-0 | +221686 |
| 5standard | 10 | Ikoma, Tomoyuki (1536) | Lost 0-2 | -201666 |
| 6standard | 91 | Tanaka, Yu (1522) | Lost 0-2 | -211645 |
| 7standard | 147 | Nishimura, Takuya (1540) | Lost 1-2 | -201625 |
| top | average opponent: 1605record: 2-3 | new rating: 1625 | ||
| Grand Prix Yamagata 2006 (TSP limited) | starting rating: 1614 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 89 | Kusakabe, Ryuu (1500) | Won 2-0 | +161630 |
| 2sealed | 64 | Yamada, Tsutomu (1569) | Won 2-1 | +171647 |
| 3sealed | 23 | Ishimura, Shintaro (1791) | Won 2-1 | +211668 |
| 4sealed | 29 | Tatsuhara, Satoshi (1515) | Won 2-1 | +151683 |
| 5sealed | 8 | Kurihara, Shingou (1857) | Lost 0-2 | -151668 |
| 6sealed | 44 | Snepvangers, Bram (1928) | Lost 0-2 | -131655 |
| 7sealed | 23 | Ooshima, Kunihiro (1532) | Lost 1-2 | -201635 |
| 8sealed | 74 | Anzai, Yoshio (1389) | Won 2-0 | +131648 |
| top | average opponent: 1635record: 5-3 | new rating: 1648 | ||
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1602 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 71 | Kaminaka, Takahiro (1440) | Lost 1-2 | -211581 |
| 3block | 145 | Mezaki, Kouichi (1471) | Won 2-0 | +161597 |
| 4block | 87 | Nishino, Kenta (1647) | Won 2-0 | +191616 |
| 5block | 48 | Kawada, Chihiro (1502) | Won 2-1 | +161632 |
| 6block | 31 | Hasegawa, Shigeyuki (1533) | Won 2-0 | +161648 |
| 7block | 24 | Kataoka, Asami (1658) | Lost 1-2 | -171631 |
| 8block | 50 | Hirosawa, Yuuta (1731) | Lost 1-2 | -171614 |
| top | average opponent: 1569record: 4-3 | new rating: 1614 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 235 | Maruyama, Tomohiro (1635) | Won 2-0 | +201510 |
| 2sealed | 84 | Oosawa, Masashi (1518) | Won 2-0 | +191529 |
| 3sealed | 100 | Yamazaki, Hiroyuki (1579) | Won 2-0 | +181547 |
| 4sealed | 51 | Kito, Takeshi (1601) | Won 2-0 | +191566 |
| 5sealed | 4 | Sakuma, Toshimitsu (1732) | Won 2-0 | +211587 |
| 6sealed | 8 | Oomori, Kazuki (1676) | Won 2-0 | +201607 |
| 7sealed | 1 | Saito, Tomoya (1571) | Won 2-1 | +171624 |
| 8sealed | 95 | Takakuwa, Akihiro (1822) | Lost 0-2 | -141610 |
| 9rochester | 23 | Andou, Koutarou (1731) | Lost 1-2 | -161594 |
| 10rochester | 30 | Mayuzumi, Shinichi (1674) | Won 2-0 | +201614 |
| 11rochester | 9 | Okamoto, Jin (1904) | Draw 1-1 | +51619 |
| 12rochester | 18 | Maki, Ryosuke (1545) | Lost 1-2 | -201599 |
| 13rochester | 18 | Suzuki, Masatsuna (1739) | Won 2-1 | +211620 |
| 14rochester | 2 | Iwakura, Tatsuro (1644) | Lost 0-2 | -181602 |
| top | average opponent: 1669record: 9-4-1 | new rating: 1602 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 108 | Watanabe, Hiroto (1627) | Lost 1-2 | -151468 |
| 5standard | 185 | Koyama, Kenta (1484) | Lost 0-2 | -181450 |
| 6standard | 190 | Matsushima, Kouji (1415) | Lost 1-2 | -181432 |
| 7standard | 211 | Terada, Atsushi (1577) | Won 2-1 | +201452 |
| 8standard | 190 | Iwaoka, Makio (1487) | Won 2-0 | +191471 |
| 9standard | 113 | Esaki, Keisuke (1524) | Won 2-1 | +191490 |
| top | average opponent: 1519record: 3-3 | new rating: 1490 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 44 | Shikama, Tomonori (1500) | Won 2-0 | +181518 |
| 2sealed | 120 | Ito, Ken (1592) | Lost 0-2 | -171501 |
| 3sealed | 138 | Koyama, Yuki(Tokyo) (1501) | Lost 0-2 | -181483 |
| 4sealed | 223 | Yokoyama, Tatsuya (1481) | Won 2-0 | +181501 |
| 5sealed | 200 | Kitano, Tetsuya (1497) | Lost 0-2 | -181483 |
| 6sealed | 183 | Matsuyama, Hikaru (1484) | Won 2-1 | +181501 |
| 7sealed | 136 | Horiguchi, Toru (1501) | Lost 1-2 | -181483 |
| top | average opponent: 1508record: 3-4 | new rating: 1483 | ||