Orihara, Jun
Current rating: 1612
Record: 71-65-3
- 2002
- 2003
- 2004
- 2006
- 2008
- 2009
- 2010
- 2011
- 2012
- 2014
- 2015
- 2017
- 2018
- 2019
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1622 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 444 | Kawasoe, Shintaro (1645) | Lost 0-2 | -181604 |
| 2sealed | 665 | Obata, Ken (1536) | Lost 1-2 | -191585 |
| 3sealed | 1043 | Yamaguchi, Hiroshi2043 (1635) | Won 2-1 | +191604 |
| 4sealed | 863 | Villanueva, Vincent (1484) | Won 2-0 | +161620 |
| 5sealed | 691 | Takahashi, Naoya 3755 (1451) | Won 2-1 | +151635 |
| 6sealed | 502 | Hoshide, Naonari (1390) | Lost 1-2 | -231612 |
| top | average opponent: 1523record: 3-3 | new rating: 1612 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1634 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 153 | Kawasaki, Ryousuke (1500) | Won 2-0 | +151649 |
| 2sealed | 165 | Yufu, Seizi (1517) | Lost 0-2 | -201629 |
| 3sealed | 573 | Gohara, Akira (1575) | Won 2-0 | +171646 |
| 4sealed | 730 | Funahashi, Shun (1577) | Lost 1-2 | -191627 |
| 5sealed | 594 | Saito, Ryo 6701 (1500) | Won 2-1 | +151642 |
| 6sealed | 621 | Hayakawa, Naoto (1520) | Lost 1-2 | -201622 |
| top | average opponent: 1531record: 3-3 | new rating: 1622 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1582 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 362 | Hashikami, Taisuke (1493) | Won 2-0 | +161598 |
| 2sealed | 330 | Suzuki, Kazuhiro (1394) | Won 2-0 | +151613 |
| 3sealed | 437 | Watanabe, Takefumi (1599) | Lost 0-2 | -191594 |
| 4sealed | 666 | Kawakami, Takehito (1754) | Lost 0-2 | -151579 |
| 5sealed | 756 | Takahashi, Kazuya (1635) | Won 2-0 | +191598 |
| 6sealed | 588 | Liu, Xuan (1637) | Won 2-1 | +191617 |
| 7sealed | 407 | Uchida, Yuki (1526) | Won 2-0 | +161633 |
| 8sealed | 319 | Manfield, Seth (1914) | Won 2-1 | +231656 |
| 9sealed | 150 | Mimori, Satoshi (1563) | Won 2-0 | +171673 |
| 10draft | 251 | Andou, Daichi (1585) | Won 2-0 | +161689 |
| 11draft | 37 | Yoshida, Yuuji (1834) | Lost 0-2 | -151674 |
| 12draft | 186 | Kishida, Hiroaki (1556) | Lost 0-2 | -211653 |
| 13draft | 199 | Yakushi, Hideki (1550) | Lost 0-2 | -191634 |
| top | average opponent: 1618record: 8-5 | new rating: 1634 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 248 | Sugisawa, Daiki (1546) | Won 2-0 | +181588 |
| 2sealed | 24 | Ohira, Shinichi (1603) | Won 2-0 | +181606 |
| 3sealed | 88 | Koseki, Kouta (1575) | Won 2-1 | +181624 |
| 4sealed | 25 | Yoshioka, Katsutoshi (1555) | Lost 1-2 | -201604 |
| 5sealed | 152 | Asakura, Yoshitomo (1563) | Lost 1-2 | -181586 |
| 6sealed | 222 | Matsuda, Yuuichirou (1518) | Won 2-0 | +161602 |
| 7sealed | 152 | Imai, Yuuki (1461) | Lost 0-2 | -201582 |
| top | average opponent: 1546record: 4-3 | new rating: 1582 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 589 | Date, Norikuni (1594) | Won 2-0 | +191528 |
| 2sealed | 588 | Kitagawa, Yukichika (1519) | Won 2-1 | +181546 |
| 3sealed | 502 | Hasegawa, Tsuyoshi (1619) | Won 2-1 | +191565 |
| 4sealed | 538 | Harada, Daisaku (1658) | Lost 1-2 | -161549 |
| 5sealed | 596 | Wada, Ryota (1507) | Won 2-0 | +171566 |
| 6sealed | 563 | Komatsu, Satoru (1499) | Won 2-0 | +171583 |
| 7sealed | 555 | Iwakura, Tatsuro (1718) | Lost 0-2 | -151568 |
| 8sealed | 591 | Harada, Dampei (1594) | Won 2-0 | +181586 |
| 9sealed | 582 | Satou, Tsubasa (1590) | Won 2-0 | +181604 |
| 10draft | 63 | Umeno, Kengo (1809) | Lost 0-2 | -141590 |
| 11draft | 73 | Nishino, Ryo (1569) | Won 2-1 | +171607 |
| 12draft | 90 | Kuroda, Kentaro (1575) | Lost 0-2 | -181589 |
| 13draft | 105 | Hirooka, Toshiki (1564) | Lost 1-2 | -191570 |
| top | average opponent: 1601record: 8-5 | new rating: 1570 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 203 | Morikami, Akira (1553) | Won 2-0 | +191502 |
| 2sealed | 128 | Hanawa, Atsushi (1389) | Won 2-0 | +161518 |
| 3sealed | 13 | Kuze, Shouta (1708) | Lost 1-2 | -141504 |
| 4sealed | 326 | Ito, Daisuke (1449) | Lost 1-2 | -191485 |
| 5sealed | 396 | Terao, Satoshi (1432) | Won 2-0 | +171502 |
| 6sealed | 234 | Tashiro, Kouichi (1740) | Won 2-1 | +221524 |
| 7sealed | 220 | Shingai, Sara (1675) | Lost 1-2 | -151509 |
| top | average opponent: 1564record: 4-3 | new rating: 1509 | ||
| Grand Prix Shanghai 2011 (M12 limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 12 | Morofuji, Takuma (1716) | Lost 0-2 | -131452 |
| 5sealed | 59 | Gao, Shan (1482) | Won 2-1 | +181470 |
| 6sealed | 29 | Chu, Louis (1532) | Won 2-0 | +191489 |
| 7sealed | 31 | Bai, Ming (1547) | Won 2-1 | +191508 |
| 8sealed | 9 | Watanabe, Yuuya (1987) | Lost 0-2 | -101498 |
| 9sealed | 58 | Takao, Shota (1649) | Lost 0-2 | -151483 |
| top | average opponent: 1652record: 3-3 | new rating: 1483 | ||
| Grand Prix Sydney 2010 (SOM limited) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 35 | Neeman, Jeremy (1800) | Lost 0-2 | -131499 |
| 5sealed | 48 | Scott, Jason (1562) | Lost 1-2 | -171482 |
| 6sealed | 66 | Orda, Jens (1518) | Lost 0-2 | -171465 |
| top | average opponent: 1627record: 0-3 | new rating: 1465 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 70 | Suzuki, Toshiaki (1500) | Won 2-1 | +191492 |
| 2standard | 1 | Ochi, Takahiro (1517) | Lost 0-2 | -181474 |
| 3standard | 211 | Yamamoto, Taichi (1500) | Won 2-0 | +191493 |
| 4standard | 215 | Imamura, Hirotaka (1476) | Won 2-0 | +171510 |
| 5standard | 111 | Takahashi, Junya (1573) | Won 2-1 | +191529 |
| 6standard | 37 | Aoki, Yoshitsugu (1562) | Lost 0-2 | -171512 |
| 7standard | 181 | Ogawa, Satoshi (1534) | Won 2-0 | +181530 |
| 8standard | 125 | Morikawa, Youhei (1516) | Lost 1-2 | -181512 |
| top | average opponent: 1522record: 5-3 | new rating: 1512 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 98 | Matsumoto, Yuki1423 (1454) | Lost 0-2 | -191490 |
| 2sealed | 306 | Ohno, Isao (1560) | Lost 0-2 | -171473 |
| top | average opponent: 1507record: 0-2 | new rating: 1473 | ||
| Grand Prix Taipei 2008 (ALA limited) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 56 | Tsai, Kai-an (1500) | Won 2-0 | +181546 |
| 2sealed | 5 | Hsu, David (1589) | Lost 0-2 | -171529 |
| 3sealed | 66 | Chang, Yu Jen (1509) | Lost 1-2 | -191510 |
| 4sealed | 101 | Cheng, Chou Chen (1450) | Won 2-1 | +171527 |
| 5sealed | 76 | Yen, Adam (1501) | Lost 0-2 | -181509 |
| top | average opponent: 1510record: 2-3 | new rating: 1509 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1564 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 79 | Tokuyama, Kouta (1578) | Won 2-1 | +191583 |
| 5sealed | 30 | Ushie, Yuuta (1685) | Lost 1-2 | -171566 |
| 6sealed | 175 | Miyajima, Yoshitaka (1617) | Lost 1-2 | -171549 |
| 7sealed | 3 | Tokura, Mikihiro (1388) | Lost 0-2 | -211528 |
| top | average opponent: 1567record: 1-3 | new rating: 1528 | ||
| Grand Prix Yamagata 2006 (TSP limited) | starting rating: 1619 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 15 | Aoki, Ryousuke (1710) | Lost 0-2 | -171602 |
| 5sealed | 81 | Kanazawa, Ayanobu (1556) | Lost 0-2 | -181584 |
| 6sealed | 63 | Sutou, Takuo (1514) | Lost 0-2 | -201564 |
| top | average opponent: 1594record: 0-3 | new rating: 1564 | ||
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 29 | inada, kazufumi (1500) | Won 2-0 | +181558 |
| 2sealed | 56 | Takesue, Chikara (1445) | Lost 1-2 | -201538 |
| 3sealed | 85 | Ishii, Hayato (1647) | Won 2-1 | +201558 |
| 4sealed | 64 | Nakagawa, Yukihiro (1585) | Won 2-1 | +181576 |
| 5sealed | 69 | Ozaki, Youichirou (1511) | Won 2-0 | +171593 |
| 6sealed | 59 | Furukawa, Ken'ichi (1747) | Won 2-0 | +211614 |
| 7sealed | 40 | Shimura, Ichirou (1851) | Lost 0-2 | -141600 |
| 8sealed | 78 | Aoki, Ryousuke (1649) | Won 2-1 | +191619 |
| top | average opponent: 1617record: 6-2 | new rating: 1619 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1602 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 236 | Haga, Yuuichi (1487) | Lost 0-2 | -201582 |
| 2sealed | 281 | Saiba, Hajime (1498) | Lost 1-2 | -201562 |
| 3sealed | 282 | Nakagawa, Tsukasa (1356) | Lost 0-2 | -221540 |
| top | average opponent: 1447record: 0-3 | new rating: 1540 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1635 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 101 | Nakamura, Shuhei (1828) | Lost 1-2 | -141621 |
| 5standard | 133 | U, Kashin (1501) | Won 2-0 | +151636 |
| 6standard | 51 | Nakajima, Chikara (1688) | Lost 1-2 | -171619 |
| 7standard | 123 | Yun, Suhan (1640) | Lost 1-2 | -171602 |
| top | average opponent: 1664record: 1-3 | new rating: 1602 | ||
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1696 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 47 | Satou, Kenji (1553) | Lost 0-2 | -211675 |
| 4sealed | 116 | Sugiki, Takafumi (1634) | Draw 1-1 | -11674 |
| 5sealed | 106 | Koyano, Hirofumi (1502) | Lost 1-2 | -211653 |
| 6sealed | 141 | Kitano, Tetsuya (1646) | Lost 1-2 | -181635 |
| top | average opponent: 1584record: 0-3-1 | new rating: 1635 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 168 | Kanazawa, Katsuhisa (1446) | Won 2-1 | +161612 |
| 3sealed | 8 | Shimizu, Junji (1595) | Won 2-1 | +171629 |
| 4sealed | 25 | Nakamura, Shuhei (1906) | Won 2-0 | +231652 |
| 5sealed | 16 | Shiozu, Ryouma (1911) | Won 2-0 | +231675 |
| 6sealed | 1 | Tamura, Ryo (1567) | Lost 1-2 | -201655 |
| 7sealed | 17 | Tsumura, Kenji (1642) | Won 2-0 | +181673 |
| 8sealed | 10 | Takahashi, Noboru (1543) | Lost 0-2 | -211652 |
| 9rochester | 30 | Miwa, Tatsuya (1629) | Lost 1-2 | -181634 |
| 10rochester | 23 | Fujita, Tsuyoshi (1947) | Won 2-0 | +241658 |
| 11rochester | 1 | Tamura, Ryo (1558) | Won 2-0 | +161674 |
| 12rochester | 7 | Komuro, Shuu (1872) | Lost 1-2 | -151659 |
| 13rochester | 5 | Miwa, Tatsuya (1632) | Won 2-1 | +181677 |
| 14rochester | 2 | Osaka, Yusuke (1724) | Won 2-1 | +191696 |
| top | average opponent: 1690record: 9-4 | new rating: 1696 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1591 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 170 | So, Kasei (1500) | Draw 1-1 | -11590 |
| 2block | 230 | Kubota, Kenta (1500) | Won 2-1 | +161606 |
| 3block | 154 | Ogo, Yoshinori (1518) | Lost 1-2 | -201586 |
| 4block | 251 | Nicolas, Vesale (1502) | Lost 0-2 | -191567 |
| 5block | 303 | Mochiduki, Kouya (1484) | Won 2-0 | +161583 |
| 6block | 236 | Jincho, Takayoshi (1483) | Lost 0-2 | -201563 |
| 7block | 260 | Nagata, Hikaru (1480) | Won 2-1 | +171580 |
| 8block | 204 | Morishita, Taiki (1500) | Won 2-0 | +161596 |
| top | average opponent: 1496record: 4-3-1 | new rating: 1596 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 168 | Ito, Shuhei (1461) | Won 2-0 | +161576 |
| 2sealed | 116 | Takenaka, Tsuyoshi (1589) | Won 2-0 | +181594 |
| 3sealed | 14 | Fuma, Masaharu (1619) | Lost 1-2 | -171577 |
| 4sealed | 149 | Kubouchi, Naoki (1581) | Lost 1-2 | -181559 |
| 5sealed | 156 | Yoshikawa, Hiroshi (1521) | Won 2-0 | +171576 |
| 6sealed | 126 | Koyama, Kenta (1502) | Lost 0-2 | -191557 |
| 7sealed | 131 | Ito, Yoshimasa (1532) | Won 2-0 | +171574 |
| 8sealed | 20 | Chogyoji, Tetsuya (1519) | Won 2-1 | +171591 |
| top | average opponent: 1540record: 5-3 | new rating: 1591 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 255 | Nozu, Shizutaka (1500) | Won 2-0 | +181518 |
| 2sealed | 78 | Haibara, Tomoki (1517) | Won 2-1 | +181536 |
| 3sealed | 38 | Koura, Masahiro (1722) | Draw 1-1 | +31539 |
| 4sealed | 62 | Makuta, Eiji (1568) | Won 2-0 | +191558 |
| 5sealed | 29 | Nakamura, Shuhei (1790) | Lost 1-2 | -141544 |
| 6sealed | 81 | Nomura, Yoshiyuki (1537) | Won 2-0 | +181562 |
| 7sealed | 43 | Katsuda, Hiroshi (1472) | Won 2-0 | +161578 |
| 8sealed | 95 | Lee, Sang-Ryeol (1548) | Lost 0-2 | -181560 |
| top | average opponent: 1582record: 5-2-1 | new rating: 1560 | ||