Oshima, Shimpei
Current rating: 1672
Record: 92-97-3
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
- 2023
| Regional Championships Aichi 2023 (pioneer) | starting rating: 1655 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 96 | Yamashita, Satoshi (1502) | Won 2-0 | +151670 |
| 2pioneer | 27 | Cho, Jeong Woo (1936) | Won 2-0 | +231693 |
| 3pioneer | 11 | Okamura, Takumi (1479) | Won 2-0 | +141707 |
| 4pioneer | 10 | Takada, Shingo (1559) | Lost 0-2 | -201687 |
| 5pioneer | 33 | Yoshigoe, Hisamichi (1797) | Lost 1-2 | -161671 |
| 6pioneer | 59 | Kuroda, Masashiro (1781) | Lost 0-2 | -161655 |
| 7pioneer | 59 | Obara, Yuichiro (1628) | Won 2-0 | +171672 |
| top | average opponent: 1669record: 4-3 | new rating: 1672 | ||
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1676 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 78 | Mori, Shuichi (1522) | Won 2-1 | +151691 |
| 4pioneer | 167 | Yang, Eunje (1776) | Lost 1-2 | -161675 |
| 5pioneer | 273 | Kihara, Ryou (1701) | Lost 1-2 | -181657 |
| 6pioneer | 305 | Shiotani, Keiichiro (1564) | Lost 0-2 | -191638 |
| 7pioneer | 415 | Yoshimori, Sho (1608) | Won 2-0 | +171655 |
| top | average opponent: 1634record: 2-3 | new rating: 1655 | ||
| Grand Prix Bologna 2019 (legacy) | starting rating: 1690 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 62 | Vatthauer, Hannes (1539) | Won 2-1 | +161706 |
| 4legacy | 122 | Springer, Alac (1424) | Won 2-0 | +131719 |
| 5legacy | 29 | Fugallo, Alessandro (1519) | Won 2-0 | +141733 |
| 6legacy | 23 | Reggiani, Samuele (1604) | Won 2-0 | +161749 |
| 7legacy | 1 | Mirhadi, Sahar (1462) | Lost 0-2 | -241725 |
| 8legacy | 48 | Biava, Riccardo (1929) | Lost 1-2 | -141711 |
| 9legacy | 299 | Christensen, Jesper (1730) | Lost 0-2 | -181693 |
| 10legacy | 378 | Vontitsos, George (1727) | Lost 1-2 | -171676 |
| top | average opponent: 1617record: 4-4 | new rating: 1676 | ||
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1698 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 164 | Tedori, Kota (1544) | Lost 1-2 | -211677 |
| 4standard | 231 | Harada, Dampei (1797) | Won 2-0 | +201697 |
| 5standard | 94 | Zhou, Yang (1573) | Lost 0-2 | -201677 |
| 6standard | 286 | Sato, Keisuke (1617) | Won 2-1 | +171694 |
| 7standard | 170 | Popitukgul, Sutipong (1767) | Lost 0-2 | -171677 |
| 8standard | 196 | Tan, Xiangsheng (1388) | Won 2-0 | +131690 |
| top | average opponent: 1614record: 3-3 | new rating: 1690 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 11 | Amada, Michio (1497) | Won 2-1 | +171567 |
| 4modern | 199 | Suematsu, Takaaki (1955) | Won 2-0 | +251592 |
| 5modern | 62 | Miyazono, Takeshi (1705) | Won 2-1 | +201612 |
| 6modern | 26 | Murae, Ryuji (1951) | Lost 0-2 | -121600 |
| 7modern | 168 | Nagao, Yasutaka (1849) | Won 2-0 | +221622 |
| 8modern | 101 | Ota, Kyosuke (1541) | Lost 1-2 | -191603 |
| 9modern | 229 | Muneishi, Hideaki (1519) | Won 2-1 | +161619 |
| 10modern | 44 | Seo, Hiroki (1593) | Won 2-0 | +181637 |
| 11modern | 59 | Watanabe, Kenta 3597 (1601) | Won 2-1 | +171654 |
| 12modern | 46 | Yanase, Kaname (1729) | Lost 1-2 | -171637 |
| 13modern | 79 | Kobayashi, Jotaro (1774) | Won 2-0 | +211658 |
| 14modern | 52 | Fukumoto, Hiroaki (1737) | Won 2-1 | +191677 |
| 15modern | 29 | Takagi, Takayuki (1829) | Won 2-1 | +211698 |
| top | average opponent: 1714record: 10-3 | new rating: 1698 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 358 | Kawasaki, Keita (1785) | Won 2-0 | +231533 |
| 4standard | 165 | Yasooka, Shota (2111) | Lost 0-2 | -91524 |
| 5standard | 392 | Kaji, Kyousuke (1600) | Won 2-0 | +191543 |
| 6standard | 169 | Tamai, Yuno (1640) | Won 2-1 | +201563 |
| 7standard | 92 | Taneichi, Hisashi (1579) | Won 2-1 | +181581 |
| 8standard | 42 | Goshima, Akito (1781) | Lost 0-2 | -141567 |
| 9standard | 79 | Hirata, Minoru (1597) | Lost 1-2 | -171550 |
| 10standard | 168 | Yamamoto, Shinya 8409 (1534) | Lost 1-2 | -191531 |
| 11standard | 179 | Kurokawa, Kazuaki (1492) | Won 2-0 | +181549 |
| 12standard | 168 | Higuchi, Akashi (1674) | Won 2-0 | +201569 |
| 13standard | 135 | Lin, Chi Kuan (1569) | Lost 1-2 | -181551 |
| 14standard | 123 | Nishiyama, Shinosuke (1552) | Lost 1-2 | -181533 |
| 15standard | 135 | Saito, Keisuke (1478) | Won 2-0 | +171550 |
| top | average opponent: 1646record: 7-6 | new rating: 1550 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1408 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 170 | Takenaka, Tetsuro (1539) | Lost 0-2 | -161392 |
| 4legacy | 370 | Cronin, Sean (1458) | Lost 1-2 | -171375 |
| 5legacy | 408 | Fukui, Shota (1500) | Won 2-1 | +201395 |
| 6legacy | 291 | Kurokawa, Naoki (1683) | Won 2-0 | +241419 |
| 7legacy | 145 | Saito, Tomoya (1767) | Won 2-1 | +241443 |
| 8legacy | 142 | Fujita, Osamu (1696) | Won 2-0 | +221465 |
| 9legacy | 69 | Morofuji, Takuma (2101) | Lost 0-2 | -81457 |
| 10legacy | 115 | Dobis, David (1827) | Won 2-0 | +251482 |
| 11legacy | 90 | Ootsuki, Masahiro (1543) | Lost 1-2 | -171465 |
| 12legacy | 100 | Matsumoto, Keiichiro (1470) | Lost 0-2 | -181447 |
| 13legacy | 92 | Sawatari, Kai (1607) | Won 2-0 | +211468 |
| 14legacy | 83 | Matsumura, Toshikazu (1637) | Won 2-1 | +211489 |
| 15legacy | 70 | Hayasaki, Yusuke (1635) | Won 2-1 | +211510 |
| top | average opponent: 1651record: 8-5 | new rating: 1510 | ||
| Grand Prix Hong Kong 2018 (modern) | starting rating: 1393 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 89 | Chen, Youmin (1468) | Lost 1-2 | -171376 |
| 4modern | 239 | De Leon, Noel Ed (1524) | Lost 1-2 | -151361 |
| 5modern | 263 | Hai, Xia (1409) | Won 2-1 | +191380 |
| 6modern | 169 | Lee, Munhyung (1527) | Won 2-1 | +211401 |
| 7modern | 154 | Yoshino, Kohei (1650) | Lost 0-2 | -141387 |
| 8modern | 157 | Chen, Hsin Chuan Sean (1525) | Won 2-1 | +211408 |
| top | average opponent: 1517record: 3-3 | new rating: 1408 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 58 | Onishi, Kouhei (1543) | Won 2-0 | +201431 |
| 4sealed | 54 | Takeshita, Toru (1739) | Won 2-1 | +241455 |
| 5sealed | 45 | Shimamura, Kazushige (1451) | Lost 0-2 | -181437 |
| 6sealed | 138 | Ogata, Nobuhiko (1651) | Lost 0-2 | -141423 |
| 7sealed | 507 | Yanase, Kaname (1728) | Lost 1-2 | -131410 |
| 8sealed | 476 | Kazami, Hayato (1470) | Lost 0-2 | -171393 |
| top | average opponent: 1597record: 2-4 | new rating: 1393 | ||
| Grand Prix Hong Kong 2017 (XLN limited) | starting rating: 1434 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 20 | Yuan, Bin (1509) | Lost 1-2 | -171417 |
| 3sealed | 289 | Cheng, Tung-Yi (1847) | Lost 0-2 | -111406 |
| 4sealed | 306 | Ka Shing, Ng (1488) | Lost 1-2 | -161390 |
| 5sealed | 301 | Ng, Hon Chiu (1463) | Lost 0-2 | -171373 |
| 6sealed | 321 | De Leon, Romeo (1353) | Lost 1-2 | -181355 |
| 7sealed | 300 | Quadflieg, Alexandre (1397) | Won 2-1 | +191374 |
| 8sealed | 262 | Cheng, Man Chiu (1475) | Won 2-0 | +191393 |
| 9sealed | 222 | Sabella, Ronaldo (1373) | Won 2-1 | +181411 |
| top | average opponent: 1488record: 3-5 | new rating: 1411 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 236 | Ooi, Adrian (1455) | Lost 1-2 | -171409 |
| 3sealed | 678 | Ikeda, Kengo (1370) | Won 2-1 | +171426 |
| 4sealed | 522 | Iwasaki, Koichi (1435) | Won 2-1 | +181444 |
| 5sealed | 204 | Takahashi, Ryota (1404) | Lost 1-2 | -181426 |
| 6sealed | 503 | Saito, Keisuke (1432) | Lost 1-2 | -181408 |
| 7sealed | 810 | Kobayashi, Kenta (1400) | Won 2-0 | +181426 |
| 8sealed | 500 | Sasaki, Shin (1542) | Won 2-0 | +201446 |
| 9sealed | 489 | Son, Kii (1690) | Won 2-0 | +221468 |
| 10draft | 86 | Yanase, Kaname (1746) | Lost 0-2 | -131455 |
| 11draft | 84 | Takeuchi, Ryota (1857) | Won 2-1 | +251480 |
| 12draft | 83 | Moriya, Jun (1842) | Lost 0-2 | -121468 |
| 13draft | 302 | Matsumura, Hideaki (1513) | Lost 0-2 | -171451 |
| 14draft | 181 | Yoshimura, Wataru (1474) | Lost 0-2 | -171434 |
| top | average opponent: 1551record: 6-7 | new rating: 1434 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 389 | Tanaka, Yosuke (1515) | Lost 0-2 | -171436 |
| 4modern | 620 | Murata, Toshiaki (1828) | Won 2-1 | +251461 |
| 5modern | 498 | Kurosawa, Yuuki7831 (1469) | Lost 0-2 | -181443 |
| 6modern | 542 | Nomura, Hidehiro (1727) | Lost 0-2 | -131430 |
| 7modern | 665 | Aridome, Tomohiro (1935) | Lost 0-2 | -91421 |
| 8modern | 876 | Fukuda, Yuuki (1629) | Won 2-0 | +211442 |
| 9modern | 685 | Jiang, Ruihui (1557) | Lost 0-2 | -161426 |
| top | average opponent: 1666record: 2-5 | new rating: 1426 | ||
| Grand Prix Louisville 2017 (legacy) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 407 | Boswell, Andrew (2041) | Lost 1-2 | -81446 |
| 4legacy | 570 | Grabbe, Alex (1516) | Lost 0-2 | -171429 |
| 5legacy | 700 | Pigeon, Adam (1505) | Won 2-1 | +191448 |
| 6legacy | 636 | Falchetti, Matt (1567) | Won 2-1 | +201468 |
| 7legacy | 471 | Mullins, Jason (1540) | Lost 0-2 | -161452 |
| 8legacy | 581 | Stepp, Josh (1518) | Won 2-0 | +191471 |
| 9legacy | 527 | Brown, Austin (1472) | Lost 0-2 | -181453 |
| top | average opponent: 1594record: 3-4 | new rating: 1453 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 146 | Mori, Tatsuki (1473) | Lost 1-2 | -191489 |
| 4legacy | 467 | Matsunaga, Koutarou (1522) | Lost 0-2 | -171472 |
| 5legacy | 785 | Yoshizawa, Masaru (1638) | Lost 0-2 | -151457 |
| 6legacy | 837 | Kikuchi, Kota (1393) | Lost 1-2 | -201437 |
| 7legacy | 895 | Hiroki, Masaru (1419) | Won 2-0 | +181455 |
| 8legacy | 748 | Nagata, Satoshi (1472) | Won 2-1 | +181473 |
| 9legacy | 564 | Kanda, Akihiro (1398) | Lost 1-2 | -191454 |
| top | average opponent: 1474record: 2-5 | new rating: 1454 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 244 | Yoshida, Akihiko (1632) | Won 2-1 | +221484 |
| 4standard | 120 | Aridome, Tomohiro (1850) | Lost 0-2 | -121472 |
| 5standard | 406 | Kikuchi, Yosuke (1533) | Won 2-1 | +191491 |
| 6standard | 323 | Yamakita, Yuya (1639) | Won 2-0 | +211512 |
| 7standard | 86 | Tanaka, Kimitaka (1749) | Lost 1-2 | -141498 |
| 8standard | 341 | Enomoto, Kyouichi (1566) | Lost 0-2 | -171481 |
| 9standard | 642 | Ishida, Ryuichiro (1447) | Won 2-0 | +181499 |
| 10standard | 278 | Fujii, Dai (1671) | Lost 1-2 | -151484 |
| 11standard | 430 | Kumura, Kazuya (1536) | Won 2-1 | +191503 |
| 12standard | 311 | Otsuka, Tomohito (1733) | Won 2-0 | +221525 |
| 13standard | 267 | Nakamatu, Hirohumi (1572) | Lost 0-2 | -171508 |
| top | average opponent: 1630record: 6-5 | new rating: 1508 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 520 | Nakamura, Sara (1513) | Draw 1-1 | 01495 |
| 4sealed | 303 | Akase, Kousuke (1481) | Lost 1-2 | -181477 |
| 5sealed | 565 | Ikeda, Masahito (1482) | Lost 1-2 | -181459 |
| 6sealed | 793 | Takeuchi, Yosuke (1497) | Won 2-1 | +191478 |
| 7sealed | 572 | Yamada, Atsushi (1638) | Lost 0-2 | -161462 |
| 8sealed | 705 | Fusegi, Takanori (1437) | Won 2-1 | +181480 |
| 9sealed | 542 | Komiyama, Kouhei (1508) | Lost 1-2 | -181462 |
| top | average opponent: 1508record: 2-4-1 | new rating: 1462 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 29 | Okuno, Ryohei (1535) | Won 2-1 | +181525 |
| 4standard | 262 | Nishihara, Hideyuki (1543) | Lost 0-2 | -171508 |
| 5standard | 373 | Muneta, Yasutoshi (1535) | Lost 0-2 | -181490 |
| 6standard | 398 | Kato, Akinobu (1517) | Won 2-1 | +191509 |
| 7standard | 429 | Iwazaki, Yuuta (1619) | Won 2-1 | +201529 |
| 8standard | 293 | Maruyama, Yuichiro (1605) | Lost 1-2 | -171512 |
| 9standard | 277 | Mitsuyasu, Hidetoshi (1545) | Lost 0-2 | -171495 |
| top | average opponent: 1557record: 3-4 | new rating: 1495 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 1015 | Kawasaki, Takeshi (1498) | Won 2-0 | +181542 |
| 4sealed | 869 | Deguchi, Koya (1503) | Lost 1-2 | -191523 |
| 5sealed | 1025 | Itou, Satoru (1647) | Lost 1-2 | -161507 |
| 6sealed | 1003 | Takahashi, Noriaki (1527) | Won 2-0 | +181525 |
| 7sealed | 946 | Yakushi, Hideki (1494) | Lost 1-2 | -181507 |
| top | average opponent: 1534record: 2-3 | new rating: 1507 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 190 | Michibata, Tatsuya (1566) | Lost 1-2 | -161427 |
| 4legacy | 290 | Suzuki, Toshiaki (1574) | Lost 0-2 | -151412 |
| 5legacy | 319 | Sasaki, Yuusuke (Ibaraki) (1503) | Won 2-0 | +191431 |
| 6legacy | 146 | Yohii, Shota (1518) | Won 2-0 | +201451 |
| 7legacy | 170 | Kainuma, Satoru (1524) | Won 2-0 | +191470 |
| 8legacy | 90 | Shimada, Katsuhiro (1482) | Won 2-0 | +191489 |
| 9legacy | 78 | Okano, Toshiya (1618) | Won 2-0 | +201509 |
| 10legacy | 73 | Yamagami, Yudai (1639) | Won 2-1 | +201529 |
| 11legacy | 48 | Shindou, Takehiro (1626) | Lost 0-2 | -161513 |
| 12legacy | 53 | Usui, Haruki (1572) | Won 2-0 | +191532 |
| 13legacy | 55 | Gotou, Hiroaki (1816) | Won 2-1 | +231555 |
| 14legacy | 38 | Okada, Wataru (1736) | Lost 1-2 | -151540 |
| 15legacy | 41 | Yanase, Kaname (1627) | Lost 1-2 | -161524 |
| top | average opponent: 1600record: 8-5 | new rating: 1524 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 660 | Kakita, Takenori (1517) | Lost 0-2 | -171458 |
| 3sealed | 990 | Kokubu, Yusuke (1499) | Won 2-0 | +191477 |
| 4sealed | 879 | Minsu, Kim (1484) | Lost 0-2 | -181459 |
| 5sealed | 847 | Nakasato, Hiroki (1380) | Lost 1-2 | -191440 |
| 6sealed | 931 | Tada, Masayuu (1497) | Won 2-1 | +191459 |
| 7sealed | 837 | Tatara, Atsushi (1490) | Draw 1-1 | 01459 |
| 8sealed | 816 | Masaki, Yuuki (1547) | Lost 0-2 | -161443 |
| top | average opponent: 1488record: 2-4-1 | new rating: 1443 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 901 | Tsukagoshi, Tadaki (1709) | Lost 1-2 | -141452 |
| 3modern | 1025 | Yoshihara, Nakaaki (1483) | Won 2-0 | +191471 |
| 4modern | 855 | Furukawa, Kai (1628) | Won 2-1 | +211492 |
| 5modern | 905 | Komizo, Isao (1488) | Lost 0-2 | -191473 |
| 6modern | 1000 | Fukuda, Wataru (1501) | Won 2-0 | +191492 |
| 7modern | 825 | Tanaka, Rizumu (1576) | Lost 0-2 | -171475 |
| 8modern | 886 | Yasuda, Ryouhei (1448) | Won 2-1 | +181493 |
| 9modern | 845 | Honda, Takeshi (1520) | Lost 1-2 | -181475 |
| top | average opponent: 1544record: 4-4 | new rating: 1475 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 53 | Jouta, Yuuki (1500) | Won 2-1 | +181501 |
| 2sealed | 57 | Saitou, Hokuto (1481) | Draw 1-1 | 01501 |
| 3sealed | 180 | Kaji, Kyousuke (1502) | Won 2-1 | +181519 |
| 4sealed | 102 | Hayashi, Katsuji (1623) | Lost 1-2 | -161503 |
| 5sealed | 191 | Hiyoshi, Tatsuhiko (1509) | Lost 0-2 | -181485 |
| 6sealed | 252 | Koyama, Mitsuru (1422) | Lost 1-2 | -191466 |
| top | average opponent: 1506record: 2-3-1 | new rating: 1466 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 155 | Sasaoka, Hirohito (1417) | Lost 0-2 | -201480 |
| 2sealed | 452 | Nakamura, Naoki (1482) | Won 2-1 | +191499 |
| 3sealed | 234 | Morita, Susumu (1550) | Lost 0-2 | -181481 |
| 4sealed | 449 | Ootsuka, Yuusuke (1664) | Lost 1-2 | -141467 |
| 5sealed | 397 | Ideno, Hiroshi (1462) | Won 2-1 | +181485 |
| 6sealed | 324 | Yamakage, Takehiro (1482) | Lost 0-2 | -181467 |
| 7sealed | 279 | Maeda, Takayuki (1389) | Won 2-0 | +161483 |
| 8sealed | 341 | Liang, Chihwei (1480) | Lost 0-2 | -181465 |
| 9sealed | 358 | Huang, Hin (1453) | Won 2-1 | +181483 |
| top | average opponent: 1487record: 4-5 | new rating: 1483 | ||