Nakashima, Toshihiko
Current rating: 1799 (#2256)
Record: 69-52-2
Grand Prix Yokohama 2003Grand Prix Nagoya 2004Grand Prix Yokohama 2004Grand Prix Yokohama 2012Grand Prix Taipei 2012Grand Prix Yokohama 2013Grand Prix Bangkok 2013Grand Prix Kitakyushu 2013Grand Prix Hong Kong 2013Grand Prix Shizuoka 2013Grand Prix Nagoya 2014Grand Prix Kobe 2014Grand Prix Kyoto 2015Grand Prix Chiba 2018Grand Prix Chiba 2019
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1686 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 16 | Hirano, Satohiro (1587) | Won 2-1 | +171703 |
| 2sealed | 206 | Okada, Wataru (1695) | Won 2-0 | +171720 |
| 3sealed | 428 | Ochi, Takushi (1458) | Lost 1-2 | -221698 |
| 4sealed | 751 | Nakano, Masaya (1436) | Won 2-1 | +131711 |
| 5sealed | 378 | Hozumi, Yuji (1440) | Lost 0-2 | -231688 |
| 6sealed | 547 | Fujii, Hidekazu (1625) | Won 2-1 | +171705 |
| 7sealed | 258 | Mishina, Ryota (1659) | Won 2-1 | +171722 |
| 8sealed | 141 | Yokoyama, Takuya (1502) | Won 2-1 | +141736 |
| 9sealed | 186 | Harada, Dampei (1720) | Won 2-0 | +181754 |
| 10draft | 86 | Toda, Shinya (1589) | Won 2-1 | +151769 |
| 11draft | 180 | Masuda, Satoshi (1609) | Won 2-0 | +151784 |
| 12draft | 129 | Watanabe, Yuta9087 (1653) | Won 2-0 | +161800 |
| 13draft | 60 | Nakai, Yutaka (1821) | Lost 0-2 | -181782 |
| 14draft | 88 | Ikeda, Tsuyoshi (1696) | Won 2-0 | +171799 |
| 15draft | 76 | Fujimori, Masayoshi (1762) | ID | 01799 |
| top | average opponent: 1617record: 11-3-1 | new rating: 1799 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 101 | Hirasawa, Tatsuya (1500) | Won 2-0 | +181526 |
| 2sealed | 173 | Ikeda, Masahito (1564) | Lost 1-2 | -171509 |
| 3sealed | 762 | Kawano, Takahiro (1311) | Won 2-0 | +141523 |
| 4sealed | 527 | Sugiyama, Takashi (1520) | Won 2-0 | +181541 |
| 5sealed | 432 | Tokunaga, Takayuki (1506) | Won 2-1 | +171558 |
| 6sealed | 267 | Ohmori, Yoshitsugu (1488) | Won 2-0 | +171575 |
| 7sealed | 99 | Matsubara, Tohru (1779) | Won 2-1 | +221597 |
| 8sealed | 32 | Maki, Hidekazu (1625) | Won 2-0 | +181615 |
| 9sealed | 49 | Morotome, Ken (1868) | Won 2-1 | +231638 |
| 10draft | 725 | Hagiwara, Masakatsu (1669) | Won 2-0 | +181656 |
| 11draft | 756 | Nagasaki, Ryou (1696) | Won 2-0 | +191675 |
| 12draft | 606 | Kamizono, Naoki (1853) | Lost 0-2 | -151660 |
| 13draft | 686 | Asaumi, Hiroki (1734) | Won 2-0 | +201680 |
| 14draft | 629 | Hagiwara, Genta (1974) | Lost 1-2 | -131667 |
| 15draft | 545 | Notake, Shozaburo (1743) | Won 2-0 | +191686 |
| top | average opponent: 1655record: 12-3 | new rating: 1686 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 573 | Kobatashi, Daiki (1500) | Won 2-0 | +181548 |
| 2legacy | 704 | Yip, Cheson (1436) | Lost 0-2 | -201528 |
| 3legacy | 761 | Kan, Masanori (1500) | Lost 0-2 | -191509 |
| 4legacy | 881 | Yamazaki, Tsutomu (1480) | Lost 0-2 | -181491 |
| 5legacy | 915 | Naemura, Yasuhiro (1464) | Won 2-0 | +171508 |
| top | average opponent: 1476record: 2-3 | new rating: 1508 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 834 | Ueta, Kazuaki (1500) | Lost 1-2 | -191552 |
| 2modern | 1074 | Koizumi, Hiroki (1463) | Won 2-0 | +161568 |
| 3modern | 1143 | Nishio, Tomonori (1529) | Lost 0-2 | -181550 |
| 4modern | 1102 | Shinohara, Gen (1482) | Lost 0-2 | -201530 |
| top | average opponent: 1493record: 1-3 | new rating: 1530 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1641 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 689 | Iwayama, Masatomo (1520) | Draw 1-1 | -21639 |
| 3sealed | 681 | Kimonji, Hiroki (1604) | Lost 1-2 | -191620 |
| 4sealed | 777 | Beversluis, William (1502) | Won 2-1 | +161636 |
| 5sealed | 689 | Ishii, Ryou (1492) | Lost 0-2 | -201616 |
| 6sealed | 752 | Murase, Takahiro (1487) | Lost 1-2 | -211595 |
| 7sealed | 744 | Abe, Yuuta (1487) | Won 2-0 | +161611 |
| 8sealed | 686 | Yoshida, Koki (1498) | Lost 0-2 | -201591 |
| 9sealed | 671 | Ookubo, Yoshirou (1479) | Lost 1-2 | -201571 |
| top | average opponent: 1509record: 2-5-1 | new rating: 1571 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1630 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 582 | Sakaino, Yuta (1500) | Won 2-1 | +161646 |
| 4standard | 524 | Itou, Shougo (1735) | Won 2-1 | +201666 |
| 5standard | 501 | Mizutani, Yosuke (1769) | Lost 0-2 | -171649 |
| 6standard | 546 | Saitou, Ryuuga (1535) | Lost 1-2 | -201629 |
| 7standard | 621 | Minobe, Yoshihiro (1593) | Won 2-1 | +181647 |
| 8standard | 618 | Nishimura, Masaaki (1411) | Won 2-1 | +131660 |
| 9standard | 672 | Shoji, Tatsuro (1590) | Lost 1-2 | -191641 |
| top | average opponent: 1590record: 4-3 | new rating: 1641 | ||
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1653 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 164 | Khor, Wee Yuen Ian (1505) | Won 2-0 | +161669 |
| 4sealed | 61 | Ho, Fu Shing (1545) | Lost 0-2 | -211648 |
| 5sealed | 127 | Zhou, Quan (1799) | Lost 1-2 | -151633 |
| 6sealed | 211 | Lee, Dongkyu (1595) | Won 2-0 | +171650 |
| 7sealed | 152 | Yan, Wai Lap (1539) | Lost 1-2 | -201630 |
| top | average opponent: 1596record: 2-3 | new rating: 1630 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1682 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 156 | Shiode, Satoshi (1525) | Won 2-1 | +151697 |
| 4standard | 36 | Kuniba, Hiroki (1554) | Lost 0-2 | -211676 |
| 5standard | 256 | Honda, Masakazu (1534) | Draw 1-1 | -21674 |
| 6standard | 184 | Nakatani, Haruki (1793) | Won 2-0 | +201694 |
| 7standard | 112 | Jung, Tae-Wook (1611) | Lost 0-2 | -201674 |
| 8standard | 192 | Topolnyan, Alexey (1496) | Lost 0-2 | -211653 |
| top | average opponent: 1585record: 2-3-1 | new rating: 1653 | ||
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 79 | Teo, Sze Wei (1538) | Won 2-1 | +181560 |
| 4sealed | 98 | Pitcharan, Prinya (1552) | Won 2-1 | +171577 |
| 5sealed | 20 | Chua, Zong En (1513) | Won 2-1 | +171594 |
| 6sealed | 1 | Triphonratana, Boonyarit (1491) | Lost 0-2 | -201574 |
| 7sealed | 53 | Maikhu, Suripat (1650) | Won 2-0 | +201594 |
| 8sealed | 27 | Kuo, Tzu-Ching (1969) | Won 2-1 | +241618 |
| 9sealed | 10 | Huang, Yu Chung (1614) | Lost 0-2 | -181600 |
| 10draft | 43 | Cavenoni, Julian (1599) | Won 2-0 | +181618 |
| 11draft | 10 | Chen, Liang (1752) | Won 2-0 | +211639 |
| 12draft | 8 | Zhang, Xiaoyu (1681) | Won 2-0 | +181657 |
| 13draft | 50 | Lee, Shi Tian (1993) | Won 2-0 | +241681 |
| 14draft | 8 | Tan, Raymond (1594) | Lost 1-2 | -191662 |
| 15draft | 12 | Ordonez, Arrian Ferric (1774) | Won 2-0 | +201682 |
| top | average opponent: 1671record: 10-3 | new rating: 1682 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 880 | Takahira, Wataru (1431) | Lost 0-2 | -201509 |
| 3sealed | 1042 | Kawahara, Masanobu (1429) | Won 2-1 | +161525 |
| 4sealed | 968 | Kurita, Syogo (1520) | Won 2-0 | +181543 |
| 5sealed | 755 | Korekawa, Takashi (1503) | Won 2-0 | +181561 |
| 6sealed | 701 | Tazawa, Kazuho (1489) | Won 2-0 | +161577 |
| 7sealed | 732 | Satou, Masanori (1571) | Lost 0-2 | -181559 |
| 8sealed | 946 | Hisamoto, Takashi (1588) | Lost 0-2 | -171542 |
| top | average opponent: 1504record: 4-3 | new rating: 1542 | ||
| Grand Prix Taipei 2012 (RTR limited) | starting rating: 1422 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 68 | Hsu, Howard (1500) | Won 2-0 | +191441 |
| 3sealed | 12 | Huang, Yu Chung (1610) | Won 2-1 | +211462 |
| 4sealed | 52 | Lee, Yu Yeung (1550) | Won 2-1 | +201482 |
| 5sealed | 49 | Huang, Jyun Wei (1534) | Won 2-1 | +191501 |
| 6sealed | 14 | Niwa, Kohei (1531) | Won 2-1 | +191520 |
| 7sealed | 3 | Yoon, Sang-Woong (1666) | Won 2-0 | +201540 |
| 8sealed | 5 | Yamamoto, Akimasa (1837) | Lost 0-2 | -131527 |
| 9sealed | 13 | Tong, King Yim Kingston (1749) | Lost 1-2 | -141513 |
| 10draft | 36 | Lee, Kai Yip (1613) | Won 2-1 | +201533 |
| 11draft | 9 | Kanegawa, Toshiya (1732) | Won 2-0 | +221555 |
| 12draft | 7 | Lee, Yuk Lam (1529) | Lost 1-2 | -191536 |
| 13draft | 12 | Tiong, Chris (1859) | Lost 1-2 | -121524 |
| 14draft | 34 | Fuji, Yuusuke (1699) | Lost 0-2 | -151509 |
| 15draft | 30 | Yu, Wei-Lin (1591) | Won 2-0 | +201529 |
| top | average opponent: 1643record: 9-5 | new rating: 1529 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 232 | Isurugi, Hideyuki (1500) | Lost 1-2 | -171420 |
| 2modern | 567 | Matsuo, Keita (1386) | Won 2-1 | +181438 |
| 3modern | 526 | Kanno, Kouji (1500) | Lost 1-2 | -171421 |
| 4modern | 602 | Fukunaga, Nao (1459) | Won 2-0 | +181439 |
| 5modern | 553 | Suda, Makoto (1485) | Lost 0-2 | -171422 |
| 6modern | 488 | Ooshima, Junji (1399) | Lost 1-2 | -181404 |
| 7modern | 455 | Fumihiro K., (1414) | Won 2-0 | +181422 |
| top | average opponent: 1449record: 3-4 | new rating: 1422 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 187 | Tanaka, Yousuke (1559) | Won 2-1 | +191489 |
| 2sealed | 3 | Masuno, Ryosuke (1494) | Lost 0-2 | -181471 |
| 3sealed | 221 | Ota, Tetsuro (1489) | Lost 1-2 | -171454 |
| 4sealed | 240 | Tamura, Katsuhiko (1521) | Lost 1-2 | -171437 |
| top | average opponent: 1516record: 1-3 | new rating: 1437 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 61 | Usuki, Ken (1551) | Lost 0-2 | -171468 |
| 3standard | 188 | Sibata, Masaki (1469) | Lost 1-2 | -181450 |
| 4standard | 347 | Hidaka, Yuusuke (1411) | Won 2-1 | +171467 |
| 5standard | 280 | Inou, Kazuhiro (1499) | Won 2-0 | +191486 |
| 6standard | 241 | Kobayashi, Masanori (1615) | Lost 1-2 | -161470 |
| 7standard | 228 | Kozawa, Ryuuichirou (1503) | Won 2-1 | +191489 |
| 8standard | 194 | Okamura, Shinya (1440) | Lost 0-2 | -191470 |
| top | average opponent: 1498record: 3-4 | new rating: 1470 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 109 | Kochi, Daiki (1518) | Lost 1-2 | -181482 |
| 3block | 226 | Ishida, Makoto (1519) | Won 2-1 | +191501 |
| 4block | 141 | Hashimoto, Yuu(Ibaraki) (1521) | Lost 1-2 | -181483 |
| 5block | 225 | Yamanaka, Akinori (1502) | Lost 1-2 | -171466 |
| 6block | 279 | Oohashi, Toshiya (1484) | Lost 0-2 | -181448 |
| 7block | 266 | Kawagoe, Satoru (1465) | Won 2-1 | +181466 |
| 8block | 237 | Watanabe, Taketoshi (1480) | Won 2-1 | +191485 |
| top | average opponent: 1498record: 3-4 | new rating: 1485 | ||