Takahashi, Osamu
Current rating: 1569
Record: 88-88-7
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1592 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 100 | Fujii, Tomoya (1563) | Won 2-1 | +181610 |
| 3standard | 282 | Oikawa, Ryusuke (1609) | Lost 1-2 | -181592 |
| 4standard | 279 | Yufu, Seizi (1364) | Won 2-1 | +141606 |
| 5standard | 319 | Harada, Yugo (1625) | Lost 1-2 | -181588 |
| 6standard | 539 | Okada, Kou (1553) | Lost 0-2 | -191569 |
| 7standard | 524 | Lee, Chiung Ping (1650) | Lost 0-2 | -161553 |
| 8standard | 456 | Iwata, Noriaki (1475) | Won 2-0 | +161569 |
| top | average opponent: 1549record: 3-4 | new rating: 1569 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 410 | Yoo, Jaejoon (1506) | Lost 1-2 | -191530 |
| 3sealed | 723 | Shimada, Masahiko (1778) | Won 2-1 | +231553 |
| 4sealed | 647 | Hanyuda, Takeshi (1526) | Won 2-1 | +171570 |
| 5sealed | 455 | Kihara, Atsuki (1959) | Won 2-0 | +251595 |
| 6sealed | 172 | Ma, Geoffrey (1556) | Lost 1-2 | -191576 |
| 7sealed | 417 | Furukawa, Shun1524 (1505) | Won 2-1 | +171593 |
| 8sealed | 187 | Takeuchi, Ryota (1758) | Won 2-0 | +211614 |
| 9sealed | 191 | Kawasaki, Takeshi (1570) | Won 2-1 | +171631 |
| 10draft | 159 | Yamada, Takuya (1645) | Lost 0-2 | -181613 |
| 11draft | 31 | Sakamoto, Akihito (1575) | Won 2-0 | +181631 |
| 12draft | 80 | Okamura, Marei (1561) | Lost 0-2 | -201611 |
| 13draft | 128 | Saitou, Isao (1613) | Lost 1-2 | -181593 |
| 14draft | 112 | Shinhama, Takahiko (1591) | Won 2-1 | +181611 |
| 15draft | 93 | Suzuki, Issei (1547) | Lost 0-2 | -191592 |
| top | average opponent: 1621record: 8-6 | new rating: 1592 | ||
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 2 | Chung, Chih Yao (1624) | Lost 1-2 | -161505 |
| 3standard | 372 | Ho, Jong-Yi (1546) | Lost 0-2 | -171488 |
| 4standard | 431 | Joseph, Joseph (1494) | Won 2-1 | +181506 |
| 5standard | 286 | Ng, Meng Cheong (1604) | Won 2-0 | +201526 |
| 6standard | 258 | Kawamura, Naoki (1454) | Won 2-1 | +161542 |
| 7standard | 105 | Lawrence, Ryan (1544) | Won 2-0 | +181560 |
| 8standard | 140 | Yada, Kazuki (1936) | Lost 0-2 | -111549 |
| top | average opponent: 1600record: 4-3 | new rating: 1549 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 216 | Hara, Norifumi (1500) | Won 2-1 | +191494 |
| 2modern | 214 | Ohtsubo, Masashi (1512) | Lost 0-2 | -181476 |
| 3modern | 708 | Sato, Taichi (1445) | Lost 1-2 | -191457 |
| 4modern | 1101 | Shimoyama, Kenta (1479) | Won 2-1 | +191476 |
| 5modern | 852 | Tanaka, Yuichi (1592) | Lost 1-2 | -161460 |
| 6modern | 852 | Shimoyama, Masatoshi (1571) | Won 2-1 | +201480 |
| 7modern | 586 | Lu, Pengjie (1742) | Won 2-1 | +231503 |
| 8modern | 420 | Hoshide, Naonari (1540) | Won 2-0 | +181521 |
| top | average opponent: 1548record: 5-3 | new rating: 1521 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1424 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 545 | Fukuda, Hajime (1500) | Won 2-0 | +191443 |
| 2standard | 229 | Aoki, Yuki (1591) | Won 2-0 | +211464 |
| 3standard | 343 | Tanigawa, Futa (1579) | Lost 1-2 | -161448 |
| 4standard | 629 | Hannya, Yamato (1599) | Lost 1-2 | -151433 |
| 5standard | 700 | Ichikawa, Takayoshi (1645) | Lost 1-2 | -151418 |
| 6standard | 678 | Suzuki, Takahisa (1293) | Won 2-0 | +161434 |
| 7standard | 492 | Yanaseko, Kentarou (1582) | Won 2-0 | +211455 |
| 8standard | 326 | Suzuki, Fumito (1581) | Won 2-0 | +201475 |
| top | average opponent: 1546record: 5-3 | new rating: 1475 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 695 | Nishiyama, Naoki (1569) | Lost 0-2 | -171499 |
| 2standard | 856 | Sumikawa, Kyohei (1482) | Lost 0-2 | -181481 |
| 3standard | 1086 | Isomura, Takuya (1437) | Lost 1-2 | -191462 |
| 4standard | 1051 | Makie, Kouichi (1422) | Lost 0-2 | -191443 |
| 5standard | 1011 | Yamamoto, Shintaro (1410) | Lost 0-2 | -181425 |
| 6standard | 926 | Tsujimoto, Hideki (1475) | Lost 1-2 | -171408 |
| 7standard | 824 | Sonoda, Kenichi (1312) | Won 2-0 | +161424 |
| 8standard | 747 | Morisawa, Kazuki (1409) | Draw 1-1 | 01424 |
| top | average opponent: 1440record: 1-6-1 | new rating: 1424 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 444 | Tanaka, Hidekazu (1463) | Won 2-0 | +171537 |
| 2sealed | 513 | Takanohashi, Tatsuya (1518) | Won 2-0 | +171554 |
| 3sealed | 99 | Suzuki, Junpei (1636) | Lost 1-2 | -161538 |
| 4sealed | 384 | Nishiura, Ryosuke (1755) | Lost 0-2 | -141524 |
| 5sealed | 649 | Yasufuku, Akihiro (1469) | Lost 0-2 | -191505 |
| 6sealed | 730 | Tamamura, Hideya (1416) | Won 2-1 | +161521 |
| 7sealed | 608 | Okazawa, Tatsuya (1321) | Lost 0-2 | -221499 |
| 8sealed | 554 | Iwabuchi, Sou (1440) | Won 2-1 | +171516 |
| top | average opponent: 1502record: 4-4 | new rating: 1516 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 223 | Yoshida, Mitsutaka (1045) | Won 2-0 | +101526 |
| 2sealed | 227 | Kashi, Touru (1418) | Lost 0-2 | -201506 |
| 3sealed | 793 | Noguchi, Masanao (1406) | Lost 0-2 | -201486 |
| 4sealed | 1052 | Morita, Kazuki (1432) | Won 2-0 | +171503 |
| 5sealed | 624 | Tsumori, Youhei (1411) | Lost 1-2 | -191484 |
| 6sealed | 800 | Nakashima, Shunichi (1482) | Won 2-0 | +181502 |
| 7sealed | 795 | Kondou, Yuusuke (1492) | Lost 1-2 | -191483 |
| 8sealed | 743 | Futada, Takahiro (1512) | Won 2-1 | +191502 |
| 9sealed | 557 | Ootake, Masanori (1485) | Won 2-0 | +181520 |
| top | average opponent: 1409record: 5-4 | new rating: 1520 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 183 | Nakazawa, Koutarou (1426) | Won 2-0 | +161560 |
| 2modern | 116 | Yamasaki, Sadaharu (1289) | Won 2-0 | +131573 |
| 3modern | 279 | Tai, Sinoduka (1500) | Lost 1-2 | -191554 |
| 4modern | 383 | Umemura, Kazuki (1450) | Lost 1-2 | -201534 |
| 5modern | 971 | Ueno, Hiroki (1502) | Draw 1-1 | 01534 |
| 6modern | 860 | Saito, Hirotsugu (1738) | Lost 0-2 | -151519 |
| 7modern | 979 | Akimoto, Daichi (1493) | Won 2-0 | +181537 |
| 8modern | 789 | Mochizuki, Kazuhiro (1396) | Draw 1-1 | -31534 |
| 9modern | 747 | Masuda, Keigo (1522) | Lost 0-2 | -181516 |
| top | average opponent: 1480record: 3-4-2 | new rating: 1516 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 26 | Mori, Yuki (1608) | Won 2-1 | +191570 |
| 4standard | 245 | Ehara, Kouta (1553) | Lost 1-2 | -181552 |
| 5standard | 353 | Kawahama, Yoshikazu (1740) | Lost 1-2 | -141538 |
| 6standard | 795 | Yuichiro, Kawakami (1487) | Won 2-1 | +171555 |
| 7standard | 400 | Matsubara, Shintaro (1552) | Won 2-1 | +181573 |
| 8standard | 318 | Saito, Tomoharu (1954) | Lost 1-2 | -121561 |
| 9standard | 575 | Araki, Tatsunori (1625) | Lost 1-2 | -171544 |
| top | average opponent: 1646record: 3-4 | new rating: 1544 | ||
| Grand Prix Taipei 2016 (SOI standard) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 58 | Tang, Yu Hsiang (1597) | Won 2-0 | +201493 |
| 2standard | 38 | Ong, Hak Tiong (1570) | Won 2-1 | +191512 |
| 3standard | 151 | Goh, Guo Wei (1616) | Won 2-0 | +201532 |
| 4standard | 93 | Chu, Alfred (1627) | Won 2-1 | +201552 |
| 5standard | 25 | Soh, Weng Heng (1828) | Lost 0-2 | -131539 |
| 6standard | 72 | Chua, Cheng Zhi Orange (1521) | Lost 0-2 | -181521 |
| 7standard | 108 | Jung, Ga Ram (1617) | Won 2-1 | +191540 |
| 8standard | 95 | Chu, Cycefa (1605) | Won 2-1 | +201560 |
| 9standard | 1002 | Noine, Kazuhiro (1520) | Won 2-0 | +171577 |
| 10standard | 33 | Kuan, Jung-Ho (1676) | Lost 0-2 | -161561 |
| 11standard | 68 | Low, Weng Fong (1583) | Won 2-0 | +181579 |
| 12standard | 40 | Kato, Kazuki (1824) | Lost 1-2 | -141565 |
| 13standard | 79 | Sugiyama, Yuya (1933) | Lost 1-2 | -111554 |
| 14standard | 78 | Woo, Nicky (1505) | Lost 1-2 | -191535 |
| 15standard | 83 | Moriya, Ryo (1455) | Won 2-0 | +161551 |
| top | average opponent: 1632record: 9-6 | new rating: 1551 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 183 | Abe, Yuuta (1475) | Draw 1-1 | 01427 |
| 2standard | 773 | Naval, Jeremy (1499) | Lost 1-2 | -161411 |
| 3standard | 1417 | Fukuda, Kouta (1484) | Won 2-0 | +191430 |
| 4standard | 1057 | Odachi, Kentarou (1446) | Won 2-0 | +181448 |
| 5standard | 746 | Sakigawara, Yuhei (1530) | Lost 0-2 | -161432 |
| 6standard | 1017 | Mochizuki, Tomohiro (1461) | Won 2-1 | +181450 |
| 7standard | 763 | Fujino, Yuki (1516) | Lost 1-2 | -161434 |
| 8standard | 898 | Honma, Rie (1516) | Won 2-1 | +191453 |
| 9standard | 696 | Shirakihara, Ryuuichi (1542) | Won 2-0 | +201473 |
| top | average opponent: 1497record: 5-3-1 | new rating: 1473 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 582 | Tajiri, Keichi (1467) | Draw 1-1 | 01465 |
| 2standard | 562 | Yoshimura, Motoki (1188) | Won 2-1 | +131478 |
| 3standard | 607 | Kitou, Kentarou (1486) | Lost 0-2 | -181460 |
| 4standard | 824 | Yamamoto, Yuuya (1511) | Won 2-1 | +191479 |
| 5standard | 547 | Suzuki, Ryo (1494) | Lost 0-2 | -171462 |
| 6standard | 750 | Hamamoto, Yohei (1477) | Won 2-1 | +181480 |
| 7standard | 552 | Tatara, Atsushi (1459) | Lost 1-2 | -191461 |
| 8standard | 560 | Kojima, Tatuya (1492) | Lost 1-2 | -171444 |
| 9standard | 511 | Kishi, Daiko (1478) | Lost 1-2 | -171427 |
| top | average opponent: 1450record: 3-5-1 | new rating: 1427 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1306 | Suzuki, Keisuke5817 (1500) | Lost 1-2 | -181503 |
| 2sealed | 1256 | Saitou, Yasutaka (1469) | Lost 0-2 | -191484 |
| 3sealed | 1303 | Namikawa, Aozora (1431) | Lost 0-2 | -191465 |
| top | average opponent: 1467record: 0-3 | new rating: 1465 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 759 | Saito, Daichi (1500) | Draw 1-1 | 01525 |
| 2legacy | 737 | Ito, Minoru (1499) | Won 2-1 | +171542 |
| 3legacy | 715 | Brown, Joel (1463) | Won 2-0 | +171559 |
| 4legacy | 611 | Hohaus, Daniel (1525) | Lost 0-2 | -191540 |
| 5legacy | 709 | Ookawa, Akihiro (1543) | Won 2-1 | +181558 |
| 6legacy | 636 | Tanaka, Keiichi (1489) | Won 2-0 | +171575 |
| 7legacy | 578 | Koyama, Yuji (1630) | Lost 0-2 | -171558 |
| 8legacy | 646 | Teramoto, Tsubasa (1540) | Lost 0-2 | -181540 |
| 9legacy | 664 | Suzuki, Yusuke (1510) | Lost 1-2 | -191521 |
| top | average opponent: 1522record: 4-4-1 | new rating: 1521 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 663 | Watahiki, Satoru (1466) | Won 2-1 | +171528 |
| 2sealed | 633 | Fujimoto, Kenta (1499) | Lost 0-2 | -181510 |
| 3sealed | 958 | Hosaka, Yoshiteru (1610) | Won 2-0 | +191529 |
| 4sealed | 842 | Torii, Yuto (1500) | Lost 0-2 | -181511 |
| 5sealed | 953 | Aoshima, Satoshi (1356) | Lost 0-2 | -211490 |
| 6sealed | 941 | Kawakami, Naoya (1417) | Won 2-1 | +171507 |
| 7sealed | 865 | Kawabata, Hiromasa (1429) | Lost 0-2 | -201487 |
| 8sealed | 832 | Oouti, Kazuhito (1479) | Won 2-1 | +181505 |
| 9sealed | 772 | Oonishi, Tatsuya (1614) | Won 2-0 | +201525 |
| top | average opponent: 1486record: 5-4 | new rating: 1525 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 845 | Nakamura, Ryouta5022 (1542) | Lost 1-2 | -171470 |
| 2modern | 1105 | Matsuura, Tomoaki (1482) | Won 2-0 | +181488 |
| 3modern | 950 | Okada, Takuya (1749) | Lost 0-2 | -131475 |
| 4modern | 1201 | Maeda, Hiroki (1482) | Won 2-0 | +181493 |
| 5modern | 993 | Kato, Takanori (1410) | Won 2-1 | +171510 |
| 6modern | 985 | Sato, Naoki (1472) | Lost 1-2 | -191491 |
| 7modern | 966 | Hada, Nobuto (1505) | Lost 1-2 | -181473 |
| 8modern | 944 | Tashiro, Shuji (1477) | Won 2-0 | +181491 |
| 9modern | 887 | Shiroza, Shinichiro (1586) | Won 2-1 | +201511 |
| top | average opponent: 1523record: 5-4 | new rating: 1511 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 557 | Kazuki, Rika (1483) | Won 2-0 | +181503 |
| 2sealed | 540 | Wada, Ryota (1488) | Lost 0-2 | -181485 |
| 3sealed | 788 | Matsuo, Yoshiyuki (1519) | Lost 0-2 | -181467 |
| 4sealed | 823 | Andou, Makoto (1479) | Won 2-0 | +191486 |
| 5sealed | 745 | Hashizume, Hiroshi (1500) | Won 2-0 | +181504 |
| 6sealed | 648 | Kino, Nobuhiko (1514) | Lost 1-2 | -181486 |
| 7sealed | 703 | Motoyanagi, Youhei (1527) | Won 2-1 | +191505 |
| 8sealed | 653 | Seko, Kazuki (1524) | Lost 1-2 | -181487 |
| 9sealed | 661 | Matsuda, Yukihisa (1481) | Draw 1-1 | 01487 |
| top | average opponent: 1502record: 4-4-1 | new rating: 1487 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 576 | Fukaya, Yuta (1516) | Won 2-0 | +201461 |
| 3standard | 635 | Kitamura, Takuya (1527) | Won 2-0 | +191480 |
| 4standard | 542 | Baba, Takashi (1554) | Lost 1-2 | -171463 |
| 5standard | 597 | Sato, Kazumasa (1543) | Won 2-1 | +201483 |
| 6standard | 560 | Iwase, Akira (1545) | Lost 1-2 | -171466 |
| 7standard | 633 | Koishihara, Akira (1437) | Won 2-0 | +171483 |
| 8standard | 628 | Hirose, Yoshiyuki (1528) | Lost 1-2 | -171466 |
| 9standard | 703 | Fujii, Mikiya (1522) | Won 2-1 | +191485 |
| top | average opponent: 1521record: 5-3 | new rating: 1485 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 82 | Tonozaki, Hiroki (1500) | Won 2-0 | +201431 |
| 2standard | 135 | Hasegawa, Suguru (1603) | Lost 1-2 | -151416 |
| 3standard | 413 | Sakiyama, Daiki (1481) | Won 2-1 | +191435 |
| 4standard | 316 | Sasao, Takanori (1518) | Won 2-0 | +201455 |
| 5standard | 106 | Kurata, Shintaro (1520) | Lost 0-2 | -171438 |
| 6standard | 305 | Banba, Taiki (1461) | Lost 1-2 | -181420 |
| 7standard | 292 | Saegusa, Nobuyuki (1486) | Won 2-0 | +191439 |
| 8standard | 255 | Suzuki, Gou (1427) | Lost 1-2 | -181421 |
| 9standard | 243 | Seko, Kazuki (1537) | Won 2-0 | +201441 |
| top | average opponent: 1504record: 5-4 | new rating: 1441 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 840 | Hoashi, Yuichi (1500) | Lost 1-2 | -181482 |
| 2sealed | 1033 | Sekino, Masato (1408) | Lost 1-2 | -191463 |
| 3sealed | 1135 | Takebayashi, Takahiro (1461) | Won 2-0 | +181481 |
| 4sealed | 1088 | Yasuda, Masayuki (1717) | Lost 1-2 | -141467 |
| 5sealed | 1043 | S., Daisuke (1464) | Lost 0-2 | -181449 |
| 6sealed | 1009 | Sonomura, Yuusuke (1400) | Lost 0-2 | -191430 |
| 7sealed | 946 | Takayanagi, Syunsuke (1394) | Won 2-0 | +171447 |
| 8sealed | 1051 | Katsura, Yuu (1443) | Lost 1-2 | -181429 |
| 9sealed | 1004 | Hikaru, Sibuya (1427) | Lost 0-2 | -181411 |
| top | average opponent: 1468record: 2-7 | new rating: 1411 | ||