Ooshima, Shun
Current rating: 1490
Record: 37-43
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 350 | Kita, Takuya (1638) | Won 2-1 | +201539 |
| 3sealed | 509 | Akatuka, Hidenori (1606) | Lost 1-2 | -171522 |
| 4sealed | 757 | Sato, Takatoshi (1803) | Lost 1-2 | -131509 |
| 5sealed | 575 | Kobayashi, Daisuke (1469) | Lost 1-2 | -181491 |
| 6sealed | 905 | Nankou, Yuukichi (1482) | Won 2-0 | +171508 |
| 7sealed | 683 | Nakai, Mitsuki (1501) | Lost 1-2 | -181490 |
| top | average opponent: 1583record: 2-4 | new rating: 1490 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 506 | Tsukagoshi, Tadaki (1742) | Lost 0-2 | -141509 |
| 4standard | 680 | Shiraki, Takahiro (1708) | Lost 1-2 | -141495 |
| 5standard | 954 | Takeishi, Kouji (1688) | Won 2-1 | +211516 |
| 6standard | 819 | Orimo, Yuto (1620) | Lost 0-2 | -161500 |
| 7standard | 689 | Tanaka, Keita (1479) | Lost 1-2 | -181482 |
| 8standard | 798 | Ikeda, Kengo (1402) | Won 2-0 | +161498 |
| 9standard | 674 | Onishi, Kouhei (1639) | Won 2-0 | +211519 |
| top | average opponent: 1611record: 3-4 | new rating: 1519 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 418 | Ienaga, Yoshitaka (1534) | Lost 0-2 | -181554 |
| 4legacy | 697 | Nagano, Keita (1780) | Lost 0-2 | -141540 |
| 5legacy | 727 | Negishi, Atsuya (1504) | Won 2-1 | +171557 |
| 6legacy | 443 | Sugita, Daichi (1635) | Lost 0-2 | -171540 |
| 7legacy | 775 | Hiromasa, Ryuusuke (1586) | Lost 0-2 | -171523 |
| top | average opponent: 1608record: 1-4 | new rating: 1523 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 599 | Nishimura, Hitoshi (1429) | Lost 0-2 | -181449 |
| 2sealed | 717 | Shiura, Takefumi (1465) | Won 2-0 | +181467 |
| 3sealed | 813 | Shichinohe, Shuichi (1499) | Won 2-0 | +181485 |
| 4sealed | 800 | Machida, Takatoshi (1526) | Lost 0-2 | -171468 |
| 5sealed | 765 | Kong, Chong Teng (1514) | Won 2-0 | +191487 |
| 6sealed | 683 | Obi, Atsushi (1540) | Won 2-1 | +191506 |
| 7sealed | 331 | Shibata, Takahiro (1472) | Won 2-1 | +171523 |
| 8sealed | 222 | Irimura, Daisuke (1704) | Won 2-0 | +221545 |
| 9sealed | 180 | Ishida, Hiroshi (1684) | Lost 1-2 | -161529 |
| 10draft | 253 | Nagato, Yusuke (1504) | Lost 0-2 | -181511 |
| 11draft | 223 | Lee, Hung (1621) | Won 2-0 | +201531 |
| 12draft | 155 | Yamada, Yoshiaki (1544) | Won 2-0 | +181549 |
| 13draft | 358 | Itou, Tomoya (1603) | Won 2-1 | +191568 |
| 14draft | 226 | Sotomura, Yoshihiro (1566) | Lost 0-2 | -181550 |
| 15draft | 198 | Tamber, Tobey (1799) | Won 2-0 | +221572 |
| top | average opponent: 1565record: 10-5 | new rating: 1572 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 524 | Uehara, Shinya (1514) | Lost 0-2 | -181486 |
| 4standard | 790 | Murayama, Keiichiro (1478) | Lost 1-2 | -181468 |
| 5standard | 781 | Inoue, Takuya (1477) | Won 2-1 | +181486 |
| 6standard | 408 | Kubo, Hirotaka (1455) | Lost 1-2 | -191467 |
| top | average opponent: 1481record: 1-3 | new rating: 1467 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2131 | Kawabata, Shou8056 (1464) | Lost 0-2 | -191504 |
| top | record: 0-1 | new rating: 1504 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 652 | Tsuchiya, Hideaki (1695) | Lost 0-2 | -151471 |
| 4sealed | 921 | Nishikawa, Suguru (1620) | Won 2-0 | +211492 |
| 5sealed | 676 | Murasawa, Yuuya (1539) | Won 2-0 | +191511 |
| 6sealed | 647 | Kibe, Keisuke (1656) | Won 2-0 | +211532 |
| 7sealed | 632 | Yukuhiro, Ken (1933) | Lost 1-2 | -121520 |
| 8sealed | 665 | Senba, Kotaro (1716) | Lost 0-2 | -141506 |
| 9sealed | 735 | Nakae, Kazusi (1433) | Won 2-0 | +171523 |
| top | average opponent: 1656record: 4-3 | new rating: 1523 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 617 | Satou, Daichi (1571) | Lost 0-2 | -161444 |
| 2standard | 804 | Asahina, Takuya (1452) | Won 2-1 | +181462 |
| 3standard | 738 | Kaneko, Shun (1499) | Lost 1-2 | -171445 |
| 4standard | 875 | Nishikawa, Yukihiro (1485) | Won 2-1 | +181463 |
| 5standard | 764 | Yano, Ryuji (1573) | Won 2-0 | +201483 |
| 6standard | 761 | Takahashi, Kei (1609) | Won 2-0 | +211504 |
| 7standard | 595 | Ogino, Junpei (1506) | Lost 1-2 | -181486 |
| top | average opponent: 1528record: 4-3 | new rating: 1486 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 36 | Nagasaki, Ryou (1541) | Lost 1-2 | -171472 |
| 5sealed | 217 | Kondou, Shin (1535) | Won 2-1 | +191491 |
| 6sealed | 110 | Kou, Changsu (1681) | Lost 1-2 | -151476 |
| 7sealed | 165 | Sekiguchi, Ichiki (1557) | Lost 0-2 | -161460 |
| top | average opponent: 1579record: 1-3 | new rating: 1460 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 142 | Inazawa, Ryo (1554) | Won 2-0 | +191496 |
| 3standard | 66 | Sasaki, Yuusuke (Hyogo) (1788) | Won 2-1 | +241520 |
| 4standard | 188 | Jung, Tae-Wook (1537) | Lost 0-2 | -181502 |
| 5standard | 250 | Iwamoto, Reo (1532) | Lost 0-2 | -171485 |
| 6standard | 271 | Inuzuka, Masayuki (1512) | Won 2-0 | +181503 |
| 7standard | 120 | Tanida, Akimasa (1530) | Won 2-1 | +191522 |
| 8standard | 114 | Ikeda, Yuu (1551) | Lost 0-2 | -181504 |
| 9standard | 260 | Takeuchi, Ryota (1646) | Lost 1-2 | -151489 |
| top | average opponent: 1581record: 4-4 | new rating: 1489 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 314 | Nakamura, Keisuke (1565) | Won 2-0 | +201492 |
| 2modern | 231 | Sano, Daiki (1518) | Lost 1-2 | -171475 |
| 3modern | 533 | Katsumata, Yasutaka (1500) | Won 2-0 | +181493 |
| 4modern | 320 | Ueki, Junichi (1517) | Won 2-0 | +191512 |
| 5modern | 265 | Hibino, Yasutaka (1610) | Lost 1-2 | -171495 |
| 6modern | 277 | Yamada, Yoshitaka (1483) | Lost 1-2 | -181477 |
| top | average opponent: 1532record: 3-3 | new rating: 1477 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 120 | Shimura, Koushirou (1500) | Won 2-0 | +191503 |
| 2sealed | 68 | Tanaka, Hisaya (1748) | Lost 0-2 | -141489 |
| 3sealed | 283 | Izunaka, Takeshi (1494) | Lost 1-2 | -181471 |
| 4sealed | 425 | Nakamura, Yuichiro (1541) | Won 2-1 | +191490 |
| 5sealed | 381 | Yuuta, Ohgai (1501) | Lost 0-2 | -181472 |
| top | average opponent: 1557record: 2-3 | new rating: 1472 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 4 | Mizutani, Naoto (1530) | Won 2-1 | +191519 |
| 2extended | 31 | Dan, Takuya (1611) | Lost 0-2 | -171502 |
| 3extended | 290 | Tanaka, Tomonori (1505) | Won 2-1 | +181520 |
| 4extended | 247 | Bang, Hyun-Jung (1518) | Lost 1-2 | -181502 |
| 5extended | 341 | Kawai, Hiroki (1501) | Lost 0-2 | -181484 |
| top | average opponent: 1533record: 2-3 | new rating: 1484 | ||