Naitou, Takashi
Current rating: 1771 (#3072)
Record: 82-55-3
Grand Prix Kobe 2009Grand Prix Kobe 2011Grand Prix Hiroshima 2011Grand Prix Kobe 2012Grand Prix Nagoya 2012Grand Prix Kitakyushu 2013Grand Prix Shizuoka 2013Grand Prix Kobe 2014Grand Prix Kyoto 2015Grand Prix Kobe 2015Grand Prix Nagoya 2016Grand Prix Tokyo 2016Grand Prix Shizuoka 2017Grand Prix Kyoto 2017Grand Prix Nagoya 2019
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1807 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 196 | Shimamura, Yukihiro (1586) | Won 2-0 | +141821 |
| 3standard | 275 | Kimura, Kazuki (1704) | Won 2-1 | +161837 |
| 4standard | 203 | Tanabe, Mikiyasu (1618) | Lost 0-2 | -221815 |
| 5standard | 157 | Kaneko, Masayuki3656 (1851) | Won 2-1 | +191834 |
| 6standard | 86 | Odachi, Takuhei (1615) | Lost 0-2 | -221812 |
| 7standard | 351 | Seki, Keita (1750) | Lost 0-2 | -191793 |
| 8standard | 325 | Saito, Tomohiro (1581) | Lost 1-2 | -221771 |
| top | average opponent: 1672record: 3-4 | new rating: 1771 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1745 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 643 | Kashima, Yuuki (1531) | Won 2-1 | +141759 |
| 2sealed | 141 | Nakakouji, Takuya (1464) | Lost 0-2 | -231736 |
| 3sealed | 638 | Kosaka, Ryohei (1368) | Won 2-0 | +111747 |
| 4sealed | 421 | Kai, Masatoshi (1397) | Won 2-1 | +121759 |
| 5sealed | 337 | Snepvangers, Bram (1638) | Won 2-0 | +161775 |
| 6sealed | 95 | Toma, Hiroto (1682) | Lost 0-2 | -201755 |
| 7sealed | 305 | Hino, Yoshiaki (1753) | Won 2-1 | +181773 |
| 8sealed | 276 | Kato, Kensuke (1689) | Won 2-0 | +171790 |
| 9sealed | 180 | Severson, Eric (1791) | Won 2-1 | +181808 |
| 10draft | 252 | Aoi, Masashi (1483) | Lost 1-2 | -241784 |
| 11draft | 38 | Huruta, Syuuhei (1539) | Won 2-1 | +141798 |
| 12draft | 314 | Zuna, Pavel (1539) | Won 2-1 | +131811 |
| 13draft | 330 | Yanase, Kaname (1790) | Lost 0-2 | -181793 |
| 15draft | 22 | Kishida, Hiroaki (1580) | Won 2-0 | +141807 |
| top | average opponent: 1589record: 10-4 | new rating: 1807 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1702 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 425 | Sugimoto, Renn (1498) | Won 2-1 | +141716 |
| 3standard | 229 | Inoue, Toru (1921) | Lost 1-2 | -141702 |
| 4standard | 678 | Igarashi, Hisashi (1468) | Won 2-1 | +141716 |
| 5standard | 437 | Kurata, Shintaro (1560) | Lost 1-2 | -211695 |
| 6standard | 671 | Miyake, Daisuke2399 (1489) | Won 2-1 | +141709 |
| 7standard | 504 | Terao, Manato (1565) | Won 2-1 | +151724 |
| 8standard | 399 | Yamade, Masato (1532) | Lost 1-2 | -211703 |
| 9standard | 528 | Hishida, Tomoya (1356) | Won 2-0 | +121715 |
| 10standard | 311 | Hirasawa, Daisuke (1649) | Won 2-0 | +171732 |
| 11standard | 122 | Hamaguchi, Masakuni (1722) | Lost 0-2 | -181714 |
| 12standard | 256 | Habu, Yoshiaki (1548) | Won 2-0 | +151729 |
| 13standard | 253 | Liu, Yuchen (1998) | Won 2-0 | +221751 |
| 14standard | 184 | Kajiwara, Shou (1685) | Won 2-1 | +171768 |
| 15standard | 127 | Tamai, Toshimasa (1474) | Lost 0-2 | -231745 |
| top | average opponent: 1605record: 9-5 | new rating: 1745 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1693 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 552 | Watanabe, Yuuichirou (1370) | Won 2-0 | +121705 |
| 3standard | 264 | Moriya, Ryo (1417) | Lost 1-2 | -231682 |
| 4standard | 794 | Ozaki, Naoto (1438) | Won 2-1 | +141696 |
| 5standard | 310 | Uehara, Jin (1519) | Won 2-0 | +141710 |
| 6standard | 124 | Hayakawa, Sho (1508) | Lost 1-2 | -211689 |
| 7standard | 433 | Akita, Naoto (1636) | Draw 1-1 | -11688 |
| 8standard | 505 | Kagami, Takuya (1625) | Won 2-0 | +171705 |
| 9standard | 359 | Fujino, Yuki (1550) | Draw 1-1 | -31702 |
| top | average opponent: 1508record: 4-2-2 | new rating: 1702 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1648 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 502 | Krieger, Philipp (1606) | Lost 0-2 | -191629 |
| 2sealed | 787 | Hashimoto, Satoshi (1482) | Won 2-0 | +161645 |
| 3sealed | 772 | Yoshii, Takumi (1500) | Won 2-1 | +151660 |
| 4sealed | 497 | Nakamura, Ryouta5022 (1508) | Lost 0-2 | -211639 |
| 5sealed | 769 | Kishida, Hiroaki (1454) | Won 2-0 | +151654 |
| 6sealed | 471 | Suzuki, Katsumasa (1506) | Lost 1-2 | -211633 |
| 7sealed | 703 | Nakatani, Hiroki (1447) | Won 2-1 | +151648 |
| 8sealed | 455 | He, Yue (1560) | Won 2-1 | +161664 |
| 9sealed | 290 | Mori, Takahiro (1470) | Won 2-0 | +151679 |
| 10draft | 336 | Yanagizawa, Kazutoyo (1382) | Won 2-1 | +131692 |
| 11draft | 325 | Wada, Tomoya (1582) | Won 2-1 | +161708 |
| 12draft | 82 | Ohata, Hiroyuki (1584) | Won 2-0 | +151723 |
| 13draft | 223 | Shigehara, Toshinori (1908) | Lost 1-2 | -141709 |
| 15draft | 77 | Hirabayashi, Kazuya (1814) | Lost 1-2 | -161693 |
| top | average opponent: 1557record: 9-5 | new rating: 1693 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1644 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 395 | Nakatani, Hiroki (1543) | Lost 0-2 | -201624 |
| 4standard | 484 | Atarashi, Ryouta (1515) | Won 2-0 | +161640 |
| 5standard | 169 | Okada, Hajime (1475) | Won 2-1 | +151655 |
| 6standard | 172 | Andou, Wataru (1603) | Lost 0-2 | -191636 |
| 7standard | 308 | Takahashi, Taro (1448) | Lost 1-2 | -211615 |
| 8standard | 420 | Nakamura, Satoshi (1574) | Won 2-1 | +171632 |
| 9standard | 323 | Takisaka, Toru (1535) | Won 2-1 | +161648 |
| top | average opponent: 1528record: 4-3 | new rating: 1648 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1682 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 84 | Kuroda, Ryuhei (1558) | Lost 0-2 | -211661 |
| 4legacy | 143 | Ikebata, Yusuke (1486) | Lost 1-2 | -211640 |
| 5legacy | 315 | Taya, Hironobu (1495) | Won 2-1 | +151655 |
| 6legacy | 224 | Yoshino, Yorimoto (1501) | Lost 0-2 | -201635 |
| 7legacy | 254 | Mita, Shin'ichiro (1498) | Won 2-1 | +151650 |
| 8legacy | 150 | Lee, Hung (1489) | Lost 1-2 | -211629 |
| 9legacy | 192 | Takatsuki, Ryo (1440) | Won 2-1 | +151644 |
| top | average opponent: 1495record: 3-4 | new rating: 1644 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1690 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 831 | Moriai, Kozue (1511) | Lost 1-2 | -211669 |
| 2modern | 1058 | Kurashima, Kazuki (1562) | Won 2-0 | +161685 |
| 3modern | 965 | Tanaka, Hayato (1478) | Lost 0-2 | -221663 |
| 4modern | 1111 | Kouge, Kazuhiro (1570) | Won 2-1 | +171680 |
| 5modern | 994 | Tsujisaka, Shouichi (1575) | Won 2-0 | +161696 |
| 6modern | 894 | Takasawa, Kento (1539) | Lost 0-2 | -211675 |
| 7modern | 999 | Nihongi, Yuta (1397) | Won 2-1 | +131688 |
| 8modern | 927 | Suzuki, Shoya (1517) | Lost 0-2 | -211667 |
| 9modern | 907 | Watahiki, Satoru (1481) | Won 2-1 | +151682 |
| top | average opponent: 1514record: 5-4 | new rating: 1682 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1709 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 504 | Takami, Yuta (1587) | Won 2-1 | +161725 |
| 4standard | 554 | Karikome, Hiroaki (1537) | Won 2-0 | +141739 |
| 5standard | 533 | Niwa, Kohei (1592) | Lost 0-2 | -201719 |
| 6standard | 558 | Kikuchi, Yosuke (1521) | Won 2-1 | +141733 |
| 7standard | 555 | Ozawa, Tetsuya (1622) | Lost 0-2 | -201713 |
| 8standard | 556 | Takata, Mutsumu (1437) | Lost 0-2 | -231690 |
| top | average opponent: 1549record: 3-3 | new rating: 1690 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 145 | Kinugasa, Satoshi (1515) | Won 2-1 | +171578 |
| 4standard | 37 | Yoshikawa, Takeo (1575) | Won 2-1 | +181596 |
| 5standard | 81 | Ohno, Hirofumi (1480) | Won 2-0 | +161612 |
| 6standard | 20 | Hoshino, Yohei (1781) | Won 2-0 | +211633 |
| 7standard | 17 | Kawai, Hiroki (1618) | Lost 1-2 | -181615 |
| 8standard | 45 | Arita, Kento (1711) | Won 2-0 | +191634 |
| 9standard | 25 | Wee, Pang Ming (1751) | Won 2-0 | +211655 |
| 10standard | 13 | Mita, Ryoichi (1633) | Won 2-1 | +171672 |
| 11standard | 3 | Miyazono, Takeshi (1642) | Won 2-1 | +181690 |
| 12standard | 5 | Kudo, Koichi (1714) | Lost 0-2 | -181672 |
| 13standard | 9 | Abe, Yuji (1577) | Won 2-1 | +161688 |
| 14standard | 12 | Oh, Young Seok (1656) | Won 2-0 | +181706 |
| 15standard | 5 | Tonouchi, Keita (1699) | Won 2-0 | +181724 |
| Qstandard | Kuo, Tzu-Ching (1915) | Lost 1-2 | -151709 | |
| top | average opponent: 1662record: 11-3 | new rating: 1709 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1566 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 268 | Imai, Masakatsu (1456) | Lost 1-2 | -201546 |
| 4standard | 306 | Kobayashi, Yuuki (1533) | Lost 1-2 | -191527 |
| 5standard | 580 | Masuyama, Yuko (1291) | Won 2-1 | +141541 |
| 6standard | 342 | Suzuki, Keisuke (1597) | Won 2-1 | +191560 |
| 7standard | 330 | Matsuda, Yuuichirou (1508) | Won 2-0 | +171577 |
| 8standard | 123 | Yano, Kunihiro (1668) | Lost 1-2 | -161561 |
| top | average opponent: 1509record: 3-3 | new rating: 1561 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 15 | Kobayashi, Takahito (1592) | Won 2-1 | +191566 |
| 4sealed | 103 | Nomura, Ryosuke (1500) | Lost 0-2 | -191547 |
| 5sealed | 155 | Suwa, Tatsuya (1562) | Won 2-1 | +181565 |
| 6sealed | 100 | Wada, Yuki (1617) | Won 2-0 | +191584 |
| 7sealed | 34 | Izumi, Kimiaki (1630) | Lost 0-2 | -171567 |
| 8sealed | 69 | Lee, Kil-Ho (1467) | Lost 0-2 | -201547 |
| 9sealed | 160 | Morita, Kouki (1583) | Won 2-1 | +191566 |
| top | average opponent: 1564record: 4-3 | new rating: 1566 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 52 | Yano, Kunihiro (1630) | Won 2-1 | +201519 |
| 2standard | 111 | Yamasaki, Yoshitaka (1583) | Won 2-1 | +201539 |
| 3standard | 42 | Nakamura, Fumitake (1489) | Won 2-1 | +171556 |
| 4standard | 113 | Kitagawa, Norio (1593) | Won 2-1 | +181574 |
| 5standard | 21 | Morofuji, Takuma (1689) | Lost 1-2 | -161558 |
| 6standard | 35 | Yoon, SooHan (1678) | Won 2-0 | +211579 |
| 7standard | 68 | Ueyama, Yuji (1491) | Won 2-0 | +161595 |
| 8standard | 36 | Okamoto, Ichiro (1578) | Won 2-0 | +181613 |
| 9standard | 18 | Jen, Chien-Ming (1643) | Lost 1-2 | -181595 |
| 10standard | 50 | Sugaya, Hironobu (1794) | Lost 1-2 | -141581 |
| 11standard | 38 | Nakamura, Junya (1665) | Won 2-1 | +191600 |
| 12standard | 33 | Matsumura, Toshikazu (1527) | Lost 1-2 | -191581 |
| 13standard | 35 | Miyata, Yuuya (1561) | Lost 0-2 | -181563 |
| 14standard | 49 | Sakai, Yoshitoki (1699) | Lost 0-2 | -161547 |
| top | average opponent: 1616record: 8-6 | new rating: 1547 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 128 | Okauchi, Yuuta (1523) | Lost 1-2 | -181539 |
| 2extended | 173 | Gotou, Hiroaki (1615) | Lost 1-2 | -171522 |
| 3extended | 246 | Hishida, Akinori (1488) | Won 2-0 | +171539 |
| 4extended | 236 | Kinoshita, Tomohiro (1513) | Lost 1-2 | -181521 |
| 5extended | 267 | Takada, Ryo (1306) | Lost 1-2 | -221499 |
| top | average opponent: 1489record: 1-4 | new rating: 1499 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 133 | Matsushita, Masakazu (1608) | Lost 0-2 | -161484 |
| 2extended | 211 | Hada, Nobuto (1467) | Won 2-1 | +181502 |
| 3extended | 159 | Yamada, Hiroki (1610) | Won 2-1 | +201522 |
| 4extended | 162 | Tachibana, Takahiro (1515) | Draw 1-1 | 01522 |
| 5extended | 124 | Ooshima, Junji (1578) | Won 2-0 | +191541 |
| 6extended | 85 | Saitou, Kotatsu (1523) | Lost 0-2 | -191522 |
| 7extended | 44 | Sasaki, Kazuma (1519) | Won 2-0 | +181540 |
| 8extended | 50 | Imai, Hideaki (1489) | Won 2-0 | +171557 |
| top | average opponent: 1539record: 5-2-1 | new rating: 1557 | ||