Yamashita, Hidetoshi
Current rating: 1670
Record: 73-56-2
Grand Prix Kyoto 2007Grand Prix Kitakyushu 2007Grand Prix Shizuoka 2008Grand Prix Kobe 2008Grand Prix Okayama 2008Grand Prix Kobe 2009Grand Prix Niigata 2009Grand Prix Kitakyushu 2009Grand Prix Yokohama 2010Grand Prix Sendai 2010Grand Prix Kobe 2011Grand Prix Kobe 2012Grand Prix Yokohama 2013Grand Prix Kitakyushu 2013Grand Prix Shizuoka 2013
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1659 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 186 | Jitsuishi, Taisuke (1500) | Draw 1-1 | -31656 |
| 2standard | 210 | Mochiduki, Masashi (1562) | Won 2-0 | +161672 |
| 3standard | 190 | Yamaguchi, Katsuhiro (1446) | Lost 1-2 | -221650 |
| 4standard | 284 | Muraki, Isao (1499) | Won 2-1 | +151665 |
| 5standard | 193 | Babasaki, Taro (1570) | Won 2-0 | +171682 |
| 6standard | 124 | Nagahiro, Masato (1523) | Won 2-1 | +151697 |
| 7standard | 75 | Shioda, Masaki (1550) | Lost 1-2 | -211676 |
| 8standard | 132 | Sugai, Masaki (1536) | Lost 1-2 | -211655 |
| 9standard | 289 | Imamura, Norihide (1458) | Won 2-1 | +151670 |
| top | average opponent: 1516record: 5-3-1 | new rating: 1670 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1651 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 89 | Hamada, Daiki (1500) | Won 2-0 | +151666 |
| 2standard | 189 | Imai, Satoshi (1740) | Won 2-1 | +201686 |
| 3standard | 78 | Kouge, Kazuhiro (1622) | Won 2-1 | +161702 |
| 4standard | 71 | Hagimori, Kaku (1553) | Won 2-0 | +161718 |
| 5standard | 77 | Kou, Changsu (1731) | Won 2-0 | +181736 |
| 6standard | 28 | Ohmura, Satoshi (1588) | Lost 0-2 | -211715 |
| 7standard | 82 | Kanegae, Kazuyori (1554) | Lost 1-2 | -211694 |
| 8standard | 80 | Yamaguchi, Satoshi (1905) | Lost 1-2 | -141680 |
| 9standard | 150 | Yuge, Tatsurou (1490) | Lost 1-2 | -211659 |
| top | average opponent: 1632record: 5-4 | new rating: 1659 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1694 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 814 | Lau, Toby (1500) | Lost 1-2 | -211673 |
| 2sealed | 945 | Aoki, Yutaka (1446) | Lost 0-2 | -221651 |
| top | average opponent: 1473record: 0-2 | new rating: 1651 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1721 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 80 | Yoshimori, Sho (1789) | Lost 0-2 | -171704 |
| 5sealed | 118 | Welsh, Anthony (1473) | Won 2-0 | +141718 |
| 6sealed | 51 | Nishihara, Hiroki (1499) | Won 2-1 | +141732 |
| 7sealed | 79 | Ohno, Isao (1629) | Lost 1-2 | -201712 |
| 8sealed | 75 | Shiwaku, Tsuyoshi (1720) | Lost 0-2 | -181694 |
| top | average opponent: 1622record: 2-3 | new rating: 1694 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1749 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 25 | Sato, Shinya (1592) | Lost 1-2 | -211728 |
| 5extended | 107 | Matsumoto, Yoshifumi (1488) | Lost 0-2 | -221706 |
| 6extended | 113 | Kobayashi, Junya (1516) | Won 2-0 | +141720 |
| 7extended | 146 | Lee, Chia (1565) | Won 2-0 | +151735 |
| 8extended | 67 | Komada, Mitsuhiko (1485) | Won 2-0 | +141749 |
| 9extended | 39 | Ikawa, Yoshihiko (1779) | Won 2-0 | +191768 |
| 10extended | 15 | Morita, Masahiko (1905) | Lost 1-2 | -161752 |
| 11extended | 15 | Esaki, Keisuke (1583) | Won 2-1 | +151767 |
| 12extended | 40 | Obara, Kentarou (1606) | Lost 1-2 | -211746 |
| 13extended | 1 | Sakimura, Akihiko (1577) | Lost 1-2 | -211725 |
| 14extended | 30 | Takahira, Shunsuke (1556) | Won 2-0 | +151740 |
| 15extended | 26 | Kudo, Koichi (1689) | Lost 0-2 | -191721 |
| top | average opponent: 1612record: 6-6 | new rating: 1721 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1760 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 126 | Suzuki, Ryo (1488) | Won 2-0 | +131773 |
| 3standard | 56 | Saitou, Keiichirou (1610) | Won 2-0 | +151788 |
| 4standard | 38 | Itou, Motoaki (1636) | Lost 1-2 | -211767 |
| 5standard | 98 | Date, Hiroshi (1613) | Won 2-0 | +161783 |
| 6standard | 89 | Tomii, Tsubasa (1829) | Won 2-0 | +181801 |
| 7standard | 53 | Kuroda, Masashiro (2106) | Won 2-1 | +241825 |
| 8standard | 15 | Tonouchi, Keita (1550) | Won 2-0 | +131838 |
| 9standard | 25 | Kitayama, Masaya (1941) | Lost 1-2 | -161822 |
| 10standard | 36 | Yabuta, Junichi (1622) | Lost 1-2 | -221800 |
| 11standard | 45 | Bateman, Christian (1680) | Won 2-0 | +161816 |
| 12standard | 35 | Suzuki, Akiyoshi (1507) | Lost 1-2 | -231793 |
| 13standard | 46 | Miyamoto, Hiroya (1584) | Lost 1-2 | -221771 |
| 14standard | 43 | Takahashi, Dai (1545) | Lost 1-2 | -221749 |
| top | average opponent: 1670record: 7-6 | new rating: 1749 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1663 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 420 | Kurita, Noboru (1446) | Won 2-0 | +151678 |
| 2extended | 208 | Ozawa, Takahiro (1691) | Won 2-0 | +181696 |
| 3extended | 1 | Sawada, Ken (1658) | Won 2-0 | +171713 |
| 4extended | 40 | Kondou, Keiichi (1633) | Won 2-0 | +171730 |
| 5extended | 43 | Takeda, Hiroya (1515) | Won 2-1 | +141744 |
| 6extended | 25 | Nagashima, Makoto (1773) | Won 2-1 | +181762 |
| 7extended | 11 | Kamekawa, Masashi (1609) | Lost 1-2 | -201742 |
| 8extended | 109 | Nakazuka, Yuuki (1531) | Lost 0-2 | -221720 |
| 9extended | 55 | Fukumoto, Hiroaki (1571) | Won 2-1 | +151735 |
| 10extended | 53 | Shingai, Sara (1695) | Lost 1-2 | -191716 |
| 11extended | 53 | Saijou, Yuuichi (1548) | Won 2-0 | +151731 |
| 12extended | 31 | Yoshimori, Sho (1702) | Won 2-0 | +181749 |
| 13extended | 23 | Tozuka, Kouta (1676) | Won 2-0 | +161765 |
| 14extended | 11 | Maegawa, Tooru (1667) | Won 2-1 | +171782 |
| 15extended | 15 | Abe, Motoki (1579) | Lost 1-2 | -221760 |
| top | average opponent: 1620record: 11-4 | new rating: 1760 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1647 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 131 | Murayama, Kazuhiro (1500) | Won 2-0 | +161663 |
| 2sealed | 122 | Kanegawa, Toshiya (1543) | Lost 1-2 | -211642 |
| 3sealed | 131 | Imagawa, Hiromasa (1672) | Won 2-0 | +191661 |
| 4sealed | 130 | Shiraishi, Kenji (1449) | Won 2-0 | +141675 |
| 5sealed | 113 | Katou, Takahiko (1489) | Won 2-1 | +151690 |
| 6sealed | 69 | Kobayashi, Takahito (1440) | Won 2-1 | +131703 |
| 7sealed | 23 | Imura, Satoshi (1683) | Lost 0-2 | -181685 |
| 8sealed | 61 | Minoshima, Takenori (1487) | Lost 0-2 | -221663 |
| top | average opponent: 1533record: 5-3 | new rating: 1663 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1689 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 72 | Hoshina, Akihiko (1500) | Lost 0-2 | -211668 |
| 2sealed | 292 | Yoshino, Eiichi (1522) | Lost 1-2 | -211647 |
| top | average opponent: 1511record: 0-2 | new rating: 1647 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1675 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 20 | Beniyama, Hiroki (1500) | Lost 1-2 | -211654 |
| 2extended | 207 | Maruyama, Kentarou (1407) | Won 2-0 | +131667 |
| 3extended | 189 | Hamada, Akira (1586) | Lost 0-2 | -191648 |
| 4extended | 197 | Yamamoto, Takahiro (1464) | Won 2-1 | +141662 |
| 5extended | 205 | Nakamura, Yuichiro (1604) | Won 2-0 | +171679 |
| 6extended | 153 | Aizawa, Takahiro (1484) | Won 2-0 | +151694 |
| 7extended | 64 | Akaike, Yo (1588) | Won 2-0 | +161710 |
| 8extended | 53 | Sasaki, Yuuta (1565) | Lost 1-2 | -211689 |
| top | average opponent: 1525record: 5-3 | new rating: 1689 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1661 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 19 | Fujino, Satoshi (1411) | Won 2-0 | +131674 |
| 3sealed | 88 | Kawada, Chihiro (1572) | Won 2-0 | +161690 |
| 4sealed | 46 | Iida, Ryuichi (1505) | Won 2-0 | +151705 |
| 5sealed | 16 | Kubota, Yuuhi (1866) | Lost 0-2 | -151690 |
| 6sealed | 11 | Nagashima, Makoto (1743) | Lost 1-2 | -171673 |
| 7sealed | 93 | Hisaki, Yuu (1430) | Won 2-0 | +131686 |
| 8sealed | 136 | Saito, Tomoharu (2056) | Lost 0-2 | -111675 |
| top | average opponent: 1655record: 4-3 | new rating: 1675 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1634 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 200 | Yuba, Hirofumi (1535) | Won 2-0 | +161650 |
| 3block | 48 | Shimada, Hiroya (1524) | Lost 0-2 | -201630 |
| 4block | 128 | Kyo, Ifu (1575) | Lost 0-2 | -191611 |
| 5block | 187 | Morokuma, Mitsuru (1421) | Won 2-0 | +141625 |
| 6block | 203 | Ooshima, Junji (1593) | Won 2-0 | +181643 |
| 7block | 78 | Takehana, Yuki (1532) | Won 2-1 | +161659 |
| 8block | 87 | Asahara, Akira (1958) | Lost 0-2 | -131646 |
| 9block | 98 | Takami, Yuuta (1446) | Won 2-0 | +151661 |
| top | average opponent: 1573record: 5-3 | new rating: 1661 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 136 | Takakuwa, Akihiro (1775) | Lost 0-2 | -151578 |
| 3standard | 195 | Nakamura, Kouji (1500) | Won 2-1 | +171595 |
| 4standard | 160 | Tanaka, Masahiko (1517) | Won 2-0 | +171612 |
| 5standard | 81 | Takayama, Ryou (1606) | Won 2-1 | +181630 |
| 6standard | 90 | Tamaki, Junnosuke (1560) | Won 2-0 | +161646 |
| 7standard | 241 | Orihara, Ryu (1570) | Won 2-1 | +171663 |
| 8standard | 207 | Wakayama, Shiro (1618) | Won 2-1 | +171680 |
| 9standard | 55 | Kurakami, Shun (1717) | Lost 1-2 | -171663 |
| 10standard | 63 | Matsuki, Hitoshi (1623) | Draw 1-1 | -11662 |
| 11standard | 43 | Yasutomi, Hiroto (1899) | Lost 1-2 | -141648 |
| 12standard | 28 | Eura, Hiroki (1617) | Won 2-1 | +181666 |
| 13standard | 36 | Yotsumoto, Yuki (1684) | Lost 0-2 | -181648 |
| 14standard | 49 | Furukawa, Yasushi (1612) | Won 2-1 | +171665 |
| 15standard | 29 | Kurihara, Shingou (1918) | Lost 1-2 | -131652 |
| 16standard | 37 | Yukuhiro, Ken (1658) | Lost 0-2 | -181634 |
| top | average opponent: 1658record: 8-6-1 | new rating: 1634 | ||
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 91 | Oonishi, Hiroaki (1503) | Won 2-1 | +191490 |
| 2sealed | 44 | Lin, Milton Jian Xiong (1719) | Won 2-0 | +221512 |
| 3sealed | 23 | Inoue, Toru (1641) | Won 2-1 | +201532 |
| 4sealed | 3 | Umezaki, Masanori (1495) | Won 2-0 | +171549 |
| 5sealed | 17 | Morita, Masahiko (2154) | Won 2-0 | +281577 |
| 6sealed | 5 | Kitazono, Kensuke (1602) | Won 2-1 | +191596 |
| 7sealed | 46 | Mori, Katsuhiro (2058) | Won 2-0 | +251621 |
| 8sealed | 20 | Tsumura, Kenji (1940) | Lost 0-2 | -121609 |
| 9draft | 1 | Takahashi, Yuta (1769) | Lost 1-2 | -151594 |
| 10draft | 15 | Iyanaga, Junya (1912) | Lost 1-2 | -121582 |
| 11draft | 2 | Yukuhiro, Ken (1593) | Lost 1-2 | -181564 |
| 12draft | 18 | Ishida, Itaru (1919) | Lost 0-2 | -121552 |
| 13draft | 16 | Kubo, Ryoutarou (1609) | Won 2-0 | +191571 |
| 14draft | 15 | Arita, Ryuichi (1802) | Won 2-0 | +221593 |
| top | average opponent: 1765record: 9-5 | new rating: 1593 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 11 | Suzuki, Yuuji (1670) | Lost 1-2 | -151485 |
| 5standard | 57 | Hishida, Akinori (1544) | Lost 0-2 | -171468 |
| 6standard | 145 | Yoshioka, Hideki (1481) | Lost 0-2 | -181450 |
| 7standard | 195 | Shibuya, Takuma (1593) | Won 2-1 | +211471 |
| top | average opponent: 1572record: 1-3 | new rating: 1471 | ||