Shinhama, Takahiko
Current rating: 1557
Record: 62-58
Grand Prix Nagoya 2014Grand Prix Kobe 2014Grand Prix Shizuoka 2015Grand Prix Kobe 2015Grand Prix Nagoya 2016Grand Prix Tokyo 2016Grand Prix Chiba 2016Grand Prix Kobe 2017Grand Prix Kyoto 2017Grand Prix Chiba 2018Grand Prix Shizuoka 2018 (standard)Grand Prix Chiba 2019Grand Prix Nagoya 2019Grand Prix Nagoya 2020
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 371 | Ito, Daisuke (1515) | Won 2-1 | +181540 |
| 2pioneer | 55 | Tanaka, Yasuhiro (1632) | Won 2-1 | +191559 |
| 3pioneer | 243 | Morishita, Yoshihisa (1341) | Lost 1-2 | -221537 |
| 4pioneer | 404 | Terachi, Makoto (1479) | Won 2-0 | +171554 |
| 5pioneer | 291 | Nakamura, Yuu (1588) | Won 2-1 | +191573 |
| 6pioneer | 72 | Nakamura, Kouki 3727 (1721) | Won 2-1 | +211594 |
| 7pioneer | 142 | Miyajima, Jun'Ichi (1520) | Lost 0-2 | -201574 |
| 8pioneer | 169 | Cho, Takuya (1630) | Lost 0-2 | -171557 |
| top | average opponent: 1553record: 5-3 | new rating: 1557 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1573 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 34 | Mikami, Wataru (1528) | Lost 0-2 | -191554 |
| 2standard | 463 | Honda, Hiroki2272 (1376) | Won 2-0 | +151569 |
| 3standard | 694 | Yoshida, Kazumasa (1500) | Lost 1-2 | -191550 |
| 4standard | 738 | Koyanagi, Akio (1338) | Won 2-1 | +141564 |
| 5standard | 623 | Terachi, Hyuuga (1508) | Lost 0-2 | -191545 |
| 6standard | 660 | Matsushima, Tsutomu (1328) | Won 2-0 | +141559 |
| 7standard | 469 | Matsumoto, Tomohiro (1572) | Lost 1-2 | -181541 |
| 8standard | 476 | Kawamura, Shintaro (1451) | Lost 1-2 | -191522 |
| top | average opponent: 1450record: 3-5 | new rating: 1522 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 347 | Oozeki, Baku (1563) | Lost 1-2 | -171497 |
| 2sealed | 593 | Ohno, Masaki (1482) | Won 2-0 | +171514 |
| 3sealed | 765 | Hagiwara, Yuichi (1515) | Won 2-1 | +181532 |
| 4sealed | 337 | Orimo, Yuto (1601) | Won 2-1 | +201552 |
| 5sealed | 201 | Tazawa, Takatoshi (1390) | Won 2-0 | +151567 |
| 6sealed | 262 | Imazawa, Junpei (1572) | Won 2-0 | +181585 |
| 7sealed | 149 | Kakumae, Teruya (2072) | Won 2-1 | +261611 |
| 8sealed | 94 | Fujita, Tsuyoshi (1992) | Lost 1-2 | -111600 |
| 9sealed | 171 | Morinaka, Fuyuki (1708) | Won 2-1 | +201620 |
| 10draft | 125 | Abe, Yuuta (1647) | Lost 0-2 | -181602 |
| 11draft | 179 | Henmi, Ryuji (1674) | Won 2-0 | +191621 |
| 12draft | 185 | Fujimoto, Yosuke (1818) | Lost 1-2 | -141607 |
| 13draft | 88 | Takahari, Hiroyuki (1731) | Lost 0-2 | -161591 |
| 14draft | 112 | Takahashi, Osamu (1593) | Lost 1-2 | -181573 |
| top | average opponent: 1668record: 8-6 | new rating: 1573 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 306 | Takahashi, Ryo 8120 (1593) | Lost 0-2 | -181534 |
| 3standard | 823 | Asakawa, Tomokazu (1449) | Lost 1-2 | -191515 |
| 4standard | 981 | Takahira, Shunsuke (1737) | Won 2-0 | +221537 |
| 5standard | 760 | Suzuki, Yuga (1496) | Lost 0-2 | -191518 |
| 6standard | 782 | Nakamura, Kota (1365) | Won 2-1 | +151533 |
| 7standard | 718 | Fujikawa, Daisuke (1443) | Lost 1-2 | -191514 |
| top | average opponent: 1514record: 2-4 | new rating: 1514 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1609 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 733 | Nomura, Hidehiro (1825) | Lost 0-2 | -151594 |
| 2sealed | 910 | Haneda, Daisuke (1591) | Lost 1-2 | -181576 |
| 3sealed | 1177 | Miyashita, Hiroaki (1465) | Lost 0-2 | -201556 |
| 4sealed | 1103 | Hieda, Yosuke (1446) | Won 2-0 | +161572 |
| 5sealed | 944 | Tokeshi, Hiroki (1423) | Lost 0-2 | -201552 |
| top | average opponent: 1550record: 1-4 | new rating: 1552 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1614 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 165 | Ushio, Atsushi (1784) | Won 2-1 | +211635 |
| 2sealed | 104 | Shibata, Hirotaka (1678) | Won 2-0 | +181653 |
| 3sealed | 524 | Takata, Mutsumu (1340) | Won 2-0 | +131666 |
| 4sealed | 134 | Parazzoli, Dario (1885) | Lost 1-2 | -141652 |
| 5sealed | 246 | Yoshimura, Wataru (1477) | Won 2-1 | +151667 |
| 6sealed | 332 | Yamamura, Shouma (1555) | Lost 0-2 | -201647 |
| 7sealed | 338 | Maki, Ryosuke (1498) | Won 2-0 | +151662 |
| 8sealed | 302 | Li, Fabien (2000) | Lost 1-2 | -121650 |
| 9sealed | 485 | Uchida, Yuki (1524) | Won 2-1 | +161666 |
| 10draft | 76 | Anzai, Shintaro (1520) | Lost 0-2 | -211645 |
| 11draft | 74 | Nakamura, Kousuke (1530) | Lost 1-2 | -201625 |
| 12draft | 73 | Matsumoto, Akihiro (1716) | Lost 0-2 | -161609 |
| top | average opponent: 1626record: 6-6 | new rating: 1609 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1661 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 225 | Kurosaki, Ryo (1528) | Lost 0-2 | -201641 |
| 3modern | 775 | Ybarra, Anthony (1506) | Won 2-0 | +151656 |
| 4modern | 651 | Inoue, Reiichi (1485) | Won 2-1 | +151671 |
| 5modern | 607 | Horie, Tooru (1713) | Lost 1-2 | -171654 |
| 6modern | 513 | Inazawa, Ryo (1555) | Lost 0-2 | -201634 |
| 7modern | 802 | Hori, Kota (1498) | Lost 1-2 | -201614 |
| top | average opponent: 1548record: 2-4 | new rating: 1614 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1678 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 320 | Ibata, Chiharu (1463) | Won 2-0 | +141692 |
| 3legacy | 350 | Hashimoto, Yuu (1802) | Lost 1-2 | -161676 |
| 4legacy | 419 | Tsutazawa, Hiroshi (1490) | Won 2-0 | +151691 |
| 5legacy | 357 | Fujii, Kento (1369) | Lost 0-2 | -241667 |
| 6legacy | 610 | Asanuma, Hodaka (1585) | Won 2-1 | +171684 |
| 7legacy | 494 | Onishi, Kouhei (1711) | Lost 1-2 | -181666 |
| 8legacy | 435 | Sawatari, Kai (1552) | Won 2-1 | +161682 |
| 9legacy | 267 | Inoue, Daisuke 9592 (1499) | Lost 0-2 | -211661 |
| top | average opponent: 1559record: 4-4 | new rating: 1661 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1717 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 624 | Kim, Chang Kyum (1438) | Lost 1-2 | -231694 |
| 3standard | 1345 | Tsukamoto, Naoyuki (1500) | Won 2-1 | +151709 |
| 4standard | 727 | Fukumoto, Hiroaki (1659) | Lost 1-2 | -191690 |
| 5standard | 1249 | Yabe, Tosikazu (1500) | Won 2-0 | +141704 |
| 6standard | 813 | Tokura, Mikihiro (1461) | Lost 1-2 | -221682 |
| 7standard | 898 | Hiramatsu, Takao (1497) | Won 2-1 | +151697 |
| 8standard | 729 | Kitaoka, Takaaki (1666) | Lost 0-2 | -191678 |
| top | average opponent: 1532record: 3-4 | new rating: 1678 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 112 | Suzuki, Yuuhei (1432) | Won 2-0 | +151587 |
| 3sealed | 119 | Ootsuka, Koutarou (1911) | Won 2-0 | +241611 |
| 4sealed | 78 | Ota, Ryunosuke (1543) | Won 2-0 | +171628 |
| 5sealed | 97 | Yada, Kazuki (1728) | Lost 1-2 | -161612 |
| 6sealed | 288 | Hinohara, Toyokazu (1335) | Won 2-1 | +131625 |
| 7sealed | 46 | Kojima, Tatuya (1571) | Won 2-0 | +171642 |
| 8sealed | 52 | Tazawa, Kazuho (1573) | Won 2-0 | +161658 |
| 9sealed | 30 | Yokomizo, Gouki (1617) | Won 2-1 | +181676 |
| 10draft | 99 | Ishikawa, Takahiro (1532) | Lost 0-2 | -211655 |
| 11draft | 9 | Kihara, Atsuki (1769) | Won 2-0 | +201675 |
| 12draft | 95 | Takashima, Ryouhei (1642) | Lost 0-2 | -191656 |
| 13draft | 16 | Iwasaki, Yuusuke0068 (1738) | Won 2-0 | +201676 |
| 14draft | 16 | Urasaki, Takayuki (1672) | Won 2-1 | +181694 |
| 15draft | 14 | Soh, Joe (1997) | Won 2-0 | +231717 |
| top | average opponent: 1647record: 11-3 | new rating: 1717 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 48 | Naito, Takuya (1517) | Lost 0-2 | -191512 |
| 3standard | 1025 | Miyagaki, Yoshihisa (1500) | Won 2-0 | +181530 |
| 4standard | 688 | Itoh, Akira (1451) | Won 2-0 | +171547 |
| 5standard | 436 | Morita, Takanori (1577) | Won 2-1 | +181565 |
| 6standard | 208 | Norikazu, Nishina (1560) | Won 2-0 | +181583 |
| 7standard | 50 | Iwamoto, Nobuyuki (1762) | Lost 1-2 | -151568 |
| 8standard | 234 | Andou, Wataru (1603) | Lost 0-2 | -171551 |
| 9standard | 298 | Terada, Shuuhei (1705) | Won 2-0 | +211572 |
| top | average opponent: 1584record: 5-3 | new rating: 1572 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 105 | Tsuzuki, Makoto (1500) | Won 2-1 | +171544 |
| 2sealed | 225 | Shimizu, Yusuke (1512) | Lost 0-2 | -181526 |
| 3sealed | 434 | Satou, Kenichi (1519) | Won 2-0 | +181544 |
| 4sealed | 317 | Matsumoto, Kazuma (1482) | Lost 1-2 | -191525 |
| 5sealed | 315 | Yasuda, Masayuki (1807) | Won 2-1 | +231548 |
| 6sealed | 199 | Takehana, Yuki (1605) | Lost 1-2 | -171531 |
| top | average opponent: 1571record: 3-3 | new rating: 1531 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 883 | Meguro, Yasuaki (1517) | Lost 0-2 | -191528 |
| 3modern | 1019 | Shoji, Kenta (1553) | Lost 0-2 | -171511 |
| 4modern | 1067 | Hirase, Gun (1481) | Won 2-1 | +171528 |
| 5modern | 947 | Kurokawa, Ryushi (1473) | Lost 0-2 | -191509 |
| 6modern | 1071 | Kaneda, Yuuji (1479) | Won 2-1 | +181527 |
| top | average opponent: 1501record: 2-3 | new rating: 1527 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 126 | Nakamura, Shinichiro (1539) | Won 2-0 | +191519 |
| 4sealed | 58 | Loekman, Soebiakto (1518) | Won 2-1 | +181537 |
| 5sealed | 46 | Yamada, Takuya (1558) | Won 2-0 | +181555 |
| 6sealed | 2 | Taya, Kentaro (1669) | Lost 1-2 | -161539 |
| 7sealed | 56 | Hasegawa, Kazunari (1569) | Won 2-0 | +191558 |
| 8sealed | 34 | Senba, Kotaro (1738) | Won 2-0 | +211579 |
| 9sealed | 17 | Morofuji, Takuma (2010) | Lost 0-2 | -111568 |
| 10draft | 26 | Park, Jun Young (1892) | Lost 1-2 | -121556 |
| 11draft | 90 | Takano, Kouhei (1561) | Won 2-1 | +181574 |
| 12draft | 106 | Yamada, Hiroki (1594) | Lost 0-2 | -171557 |
| 13draft | 20 | Terasawa, Kazuya (1645) | Lost 0-2 | -171540 |
| 14draft | 86 | Okada, Takuya (1745) | Lost 1-2 | -141526 |
| 15draft | 95 | Hirayama, Atsushi (1705) | Won 2-0 | +211547 |
| top | average opponent: 1673record: 7-6 | new rating: 1547 | ||