Hasegawa, Gaku
Current rating: 1590
Record: 106-95-1
- 2003
- 2004
- 2005
- 2006
- 2007
- 2008
- 2010
- 2012
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1580 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Choi, Dongguen (1482) | Lost 1-2 | -201560 |
| 2sealed | 759 | Takase, Yusuke (1457) | Won 2-0 | +161576 |
| 3sealed | 641 | Taga, Tomonori (1536) | Won 2-0 | +171593 |
| 4sealed | 659 | Aoki, Yoshitsugu (1782) | Lost 1-2 | -141579 |
| 5sealed | 819 | Watai, Yohei (1460) | Won 2-0 | +161595 |
| 6sealed | 630 | Murakami, Ryo (1427) | Won 2-1 | +151610 |
| 7sealed | 224 | Asada, Naoya (1501) | Lost 1-2 | -201590 |
| top | average opponent: 1521record: 4-3 | new rating: 1590 | ||
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 159 | Chin, Chao-Hsia (1538) | Won 2-1 | +171585 |
| 2standard | 41 | Huang, Yung-Ling (1628) | Lost 1-2 | -171568 |
| 3standard | 360 | Sangpar, Prakit (1437) | Won 2-0 | +161584 |
| 4standard | 353 | Kamimura, Fumihiro (1532) | Won 2-1 | +171601 |
| 5standard | 208 | Shimizu, Naoto (1525) | Lost 1-2 | -201581 |
| 6standard | 329 | Tseng, Yuchun (1524) | Lost 1-2 | -191562 |
| 7standard | 298 | Shoji, Hayato (1524) | Won 2-1 | +181580 |
| top | average opponent: 1530record: 4-3 | new rating: 1580 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1609 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 665 | Uzawa, Yuya (1463) | Lost 1-2 | -211588 |
| 2sealed | 907 | Ozaki, Kei (1465) | Lost 1-2 | -201568 |
| top | average opponent: 1464record: 0-2 | new rating: 1568 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1641 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 532 | Kondo, Shogo (1515) | Lost 0-2 | -201621 |
| 2sealed | 809 | Cheng, Theo Jung (1530) | Won 2-0 | +161637 |
| 3sealed | 737 | Kawabata, Hiromasa (1529) | Lost 1-2 | -201617 |
| 4sealed | 827 | Li, Jinyi (1472) | Lost 1-2 | -201597 |
| 5sealed | 1021 | Kondou, Shin (1443) | Won 2-1 | +151612 |
| 6sealed | 954 | Nisi, Ryota (1561) | Won 2-1 | +171629 |
| 7sealed | 718 | Nagoya, Ryouta (1516) | Lost 1-2 | -201609 |
| top | average opponent: 1509record: 3-4 | new rating: 1609 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1693 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 455 | Ogino, Genki (1431) | Lost 1-2 | -231670 |
| 3standard | 1073 | Mizutani, Atsuhito (1381) | Won 2-0 | +131683 |
| 4standard | 393 | Sato, Koichiro (1522) | Lost 1-2 | -211662 |
| 5standard | 1010 | Matsumoto, Shoji (1501) | Lost 1-2 | -211641 |
| top | average opponent: 1459record: 1-3 | new rating: 1641 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1709 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 795 | Muir, Brandon (1447) | Won 2-0 | +131722 |
| 2standard | 711 | Kusuzawa, Takuma (1519) | Won 2-0 | +141736 |
| 3standard | 495 | Ootake, Takeshi (1742) | Won 2-1 | +181754 |
| 4standard | 119 | Matsushita, Junnya (1608) | Lost 0-2 | -201734 |
| 5standard | 618 | Itou, Makoto (1420) | Lost 1-2 | -241710 |
| 6standard | 656 | Yamamoto, Shouhei (1736) | Lost 0-2 | -171693 |
| top | average opponent: 1579record: 3-3 | new rating: 1693 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1721 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 337 | Masatsugu, Tatsuya (1555) | Won 2-0 | +151736 |
| 2sealed | 489 | Kosaka, Yuki (1504) | Lost 1-2 | -221714 |
| 3sealed | 729 | Tanaka, Ryou (1427) | Lost 0-2 | -231691 |
| 4sealed | 870 | Ishiguro, Youhei (1742) | Won 2-0 | +191710 |
| 5sealed | 675 | Masutani, Kazuhiro (1581) | Won 2-0 | +161726 |
| 6sealed | 513 | Nakasato, Hiroki (1316) | Lost 0-2 | -251701 |
| 7sealed | 675 | Itou, Akira4141 (1496) | Won 2-1 | +141715 |
| 8sealed | 570 | Imaoka, Syoichi (1567) | Won 2-1 | +151730 |
| 9sealed | 422 | Nakata, Yuusaku (1526) | Lost 0-2 | -211709 |
| top | average opponent: 1524record: 5-4 | new rating: 1709 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1712 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 231 | Kashima, Akihiro (1670) | Won 2-0 | +171729 |
| 2standard | 275 | Niwa, Kohei (1532) | Lost 1-2 | -211708 |
| 3standard | 1003 | Matsuda, Yuichi (1556) | Won 2-0 | +151723 |
| 4standard | 720 | Sakaki, Yusuke (1588) | Won 2-1 | +151738 |
| 5standard | 272 | Arai, Ikki (1377) | Won 2-0 | +121750 |
| 6standard | 261 | Goshima, Akito (1617) | Lost 0-2 | -201730 |
| 7standard | 338 | Tono, Yusuke (1485) | Won 2-1 | +131743 |
| 8standard | 322 | Kamata, Toshihiko (1527) | Lost 0-2 | -221721 |
| top | average opponent: 1544record: 5-3 | new rating: 1721 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1692 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 170 | Umemoto, Hiroshi (1501) | Won 2-0 | +151707 |
| 2sealed | 277 | Chesney, Collin (1552) | Won 2-1 | +151722 |
| 3sealed | 20 | Nakamura, Kouki (1355) | Won 2-0 | +121734 |
| 4sealed | 11 | Sugimoto, Yuuki (1634) | Won 2-0 | +161750 |
| 5sealed | 18 | Hoshino, Masaaki (1644) | Won 2-1 | +161766 |
| 6sealed | 4 | Uzawa, Yuichi (1671) | Won 2-0 | +161782 |
| 7sealed | 9 | Sakimura, Akihiko (1805) | Lost 1-2 | -171765 |
| 8sealed | 38 | Tsuzaki, Akira (1544) | Lost 1-2 | -221743 |
| 9sealed | 107 | Kainuma, Satoru (1550) | Won 2-0 | +141757 |
| 10draft | 113 | Nagasaka, Kenji (1571) | Won 2-1 | +151772 |
| 11draft | 87 | Sato, Rei (1796) | Lost 1-2 | -181754 |
| 12draft | 73 | Hayata, Shogo (1553) | Won 2-0 | +151769 |
| 13draft | 183 | Hosoiri, Yoshihito (1683) | Lost 0-2 | -201749 |
| 14draft | 123 | Nakatani, Shinji (1736) | Lost 1-2 | -181731 |
| 15draft | 122 | Rosinski, Dennis (1676) | Lost 0-2 | -191712 |
| top | average opponent: 1618record: 9-6 | new rating: 1712 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1585 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 942 | Maseguchi, Masashi (1423) | Won 2-1 | +151600 |
| 2sealed | 677 | Kawakami, Naoya (1446) | Won 2-0 | +151615 |
| 3sealed | 746 | Honda, Eisuke (1536) | Lost 0-2 | -191596 |
| 4sealed | 822 | Yoshimori, Sho (1702) | Won 2-0 | +201616 |
| 5sealed | 817 | Kitamura, Takuya (1517) | Won 2-0 | +161632 |
| 6sealed | 661 | Okumura, Yuji (1556) | Won 2-0 | +161648 |
| 7sealed | 620 | Fukushi, Kyouhei (1623) | Won 2-1 | +181666 |
| 8sealed | 632 | Ueno, Shinichi (1733) | Won 2-1 | +191685 |
| 9sealed | 624 | Tsuchiya, Hideaki (1757) | Lost 0-2 | -161669 |
| 10draft | 31 | Juza, Martin (2008) | Won 2-1 | +231692 |
| 11draft | 94 | Kawada, Chihiro (1694) | Lost 1-2 | -171675 |
| 12draft | 114 | Kozakai, Yukio (1753) | Won 2-1 | +191694 |
| 13draft | 23 | Matsushima, Yuki (1637) | Won 2-1 | +171711 |
| 14draft | 3 | Yamamoto, Kouhei2453 (1685) | Lost 0-2 | -191692 |
| 15draft | 46 | Miyano, Shinichi (1615) | ID | 01692 |
| top | average opponent: 1646record: 10-4-1 | new rating: 1692 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1569 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 194 | Bae, Sanghoon (1410) | Won 2-0 | +151584 |
| 2sealed | 82 | Shiraishi, Masaharu (1614) | Lost 0-2 | -181566 |
| 3sealed | 268 | Lee, Dongkyu (1586) | Won 2-1 | +191585 |
| 4sealed | 263 | Morisane, Hitoshi (1558) | Won 2-0 | +171602 |
| 5sealed | 163 | Yamashita, Koichi (1536) | Lost 1-2 | -191583 |
| 6sealed | 214 | Hasegawa, Minoru (1519) | Won 2-1 | +171600 |
| 7sealed | 98 | Jeong, Ki Myoung (1762) | Lost 0-2 | -151585 |
| top | average opponent: 1569record: 4-3 | new rating: 1585 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1606 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 136 | Koshiishi, Tadahito (1496) | Won 2-1 | +161622 |
| 2standard | 144 | Shimoda, Ryousuke (1525) | Lost 0-2 | -201602 |
| 3standard | 414 | Banba, Taiki (1438) | Lost 1-2 | -211581 |
| 4standard | 439 | Kamiya, Kazuhiro (1345) | Lost 1-2 | -221559 |
| 5standard | 515 | Kawabata, Yuu (1462) | Won 2-0 | +161575 |
| 6standard | 403 | Shibue, Takahiro (1392) | Won 2-1 | +151590 |
| 7standard | 353 | Satou, Fumihiko (1408) | Lost 0-2 | -211569 |
| top | average opponent: 1438record: 3-4 | new rating: 1569 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1658 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 52 | Arita, Kento (1659) | Lost 1-2 | -181640 |
| 5standard | 283 | Hirooka, Toshiki (1537) | Lost 0-2 | -201620 |
| 6standard | 416 | Takagi, Takeshi (1825) | Lost 0-2 | -141606 |
| top | average opponent: 1674record: 0-3 | new rating: 1606 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1601 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 275 | Koyama, Mitsuru (1482) | Lost 1-2 | -201581 |
| 3modern | 316 | Tabuchi, Youichi (1456) | Won 2-1 | +151596 |
| 4modern | 201 | Uchikawa, Tomoaki (1502) | Won 2-0 | +171613 |
| 5modern | 138 | Konagai, Ryota (1507) | Won 2-0 | +161629 |
| 6modern | 65 | Ishida, Ryuichiro (1447) | Won 2-0 | +151644 |
| 7modern | 75 | Suzuki, Akiyoshi (1491) | Won 2-1 | +151659 |
| 8modern | 21 | Oosaka, Yuusuke (1801) | Won 2-1 | +201679 |
| 9modern | 40 | Satou, Tsubasa (1509) | Lost 1-2 | -211658 |
| top | average opponent: 1524record: 6-2 | new rating: 1658 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 268 | Abe, Tooru (1470) | Won 2-0 | +161612 |
| 2sealed | 190 | Ootake, Takafumi (1544) | Lost 1-2 | -191593 |
| 3sealed | 336 | Furugen, Takeji (1458) | Lost 0-2 | -211572 |
| 4sealed | 417 | Matsumoto, Yoshifumi (1498) | Won 2-1 | +171589 |
| 5sealed | 364 | Masaki T., (1499) | Won 2-0 | +161605 |
| 6sealed | 281 | Kobori, Tetsuya (1505) | Won 2-1 | +171622 |
| 7sealed | 218 | Yamazaki, Hiroyuki (1477) | Lost 0-2 | -211601 |
| top | average opponent: 1493record: 4-3 | new rating: 1601 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 317 | Speed, Erek (1484) | Won 2-1 | +171553 |
| 2standard | 156 | SNYDER, DANIEL C (1519) | Won 2-1 | +181571 |
| 3standard | 107 | Kazahari, Masaru (1534) | Won 2-1 | +171588 |
| 4standard | 31 | Ishikawa, Masami (1550) | Won 2-1 | +171605 |
| 5standard | 58 | Blackman, Brett (1911) | Lost 1-2 | -121593 |
| 6standard | 88 | Yoshikawa, Yuta (1572) | Lost 0-2 | -191574 |
| 7standard | 188 | Kurakami, Shun (1641) | Won 2-1 | +201594 |
| 8standard | 60 | Shiota, Fumihiko (1657) | Won 2-1 | +191613 |
| 9standard | 57 | Marr, Mat (1696) | Lost 0-2 | -171596 |
| top | average opponent: 1618record: 6-3 | new rating: 1596 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 408 | Miyashita, Kazuki (1502) | Lost 1-2 | -181500 |
| 2extended | 331 | Kakinuma, Shouta (1482) | Won 2-1 | +171517 |
| 3extended | 294 | Saiki, Keisuke (1526) | Won 2-1 | +191536 |
| 4extended | 262 | Iwase, Akira (1549) | Lost 0-2 | -181518 |
| 5extended | 320 | Wen, Yuning (1544) | Won 2-1 | +181536 |
| top | average opponent: 1521record: 3-2 | new rating: 1536 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 275 | Sasaki, Daisuke (1461) | Won 2-0 | +181509 |
| 2standard | 192 | Kuwayama, Yuusuke (1518) | Won 2-1 | +181527 |
| 3standard | 24 | Fukui, Shunsuke (1534) | Won 2-1 | +181545 |
| 4standard | 27 | Takahashi, Tomoyuki (1539) | Lost 1-2 | -181527 |
| 5standard | 114 | Nakatani, Hiroshi (1620) | Lost 1-2 | -171510 |
| 6standard | 129 | Yotsumoto, Yuki (1613) | Lost 0-2 | -161494 |
| 7standard | 75 | Tsai, Chih-Chun (1575) | Won 2-0 | +201514 |
| 8standard | 90 | Nishimoto, Takuya (1465) | Won 2-0 | +171531 |
| 9standard | 28 | Kuroda, Masashiro (1824) | Lost 0-2 | -131518 |
| top | average opponent: 1572record: 5-4 | new rating: 1518 | ||
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 96 | Hamada, Masaki (1446) | Draw 1-1 | 01455 |
| 2sealed | 84 | Ueyama, Yuji (1476) | Won 2-0 | +181473 |
| 3sealed | 54 | Wen, Yuning (1521) | Won 2-0 | +191492 |
| 4sealed | 56 | Ikawa, Yoshihiko (1639) | Won 2-0 | +211513 |
| 5sealed | 28 | Nakano, Yoshitaka (1766) | Won 2-0 | +221535 |
| 6sealed | 13 | Nakamura, Shuhei (1904) | Lost 0-2 | -121523 |
| 7sealed | 20 | Takahashi, Jun ya (1691) | Lost 1-2 | -141509 |
| 8sealed | 23 | Nakahara, Yasuhiro (1541) | Lost 0-2 | -181491 |
| top | average opponent: 1623record: 4-3-1 | new rating: 1491 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 29 | Tsukamoto, Tatsushi (1500) | Lost 1-2 | -181489 |
| 2standard | 278 | Miyazaki, Rintarou (1534) | Lost 1-2 | -171472 |
| 3standard | 322 | Ono, Ippei (1530) | Lost 1-2 | -171455 |
| top | average opponent: 1521record: 0-3 | new rating: 1455 | ||
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 55 | Yamanaka, Shigeharu (1452) | Won 2-0 | +171512 |
| 2sealed | 84 | Nakamura, Hirobumi (1466) | Won 2-1 | +171529 |
| 3sealed | 9 | Nakaya, Ramuji (1517) | Won 2-0 | +181547 |
| 4sealed | 52 | Komuro, Shuu (1807) | Lost 0-2 | -141533 |
| 5sealed | 53 | Matsumoto, Masataka (1555) | Won 2-0 | +191552 |
| 6sealed | 24 | Spillo, Stefano (1538) | Lost 1-2 | -181534 |
| 7sealed | 45 | Nakamura, Shuhei (2111) | Lost 0-2 | -91525 |
| 8sealed | 63 | Kitamoto, Hiroki (1525) | Lost 0-2 | -181507 |
| top | average opponent: 1621record: 4-4 | new rating: 1507 | ||
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 8 | Tsuzaki, Tatsuya (1481) | Lost 1-2 | -171452 |
| 2extended | 79 | Kishishita, Kunihiko (1480) | Won 2-0 | +181470 |
| 3extended | 88 | Mera, Kenichi (1496) | Won 2-0 | +191489 |
| 4extended | 69 | Toochika, Takayuki (1668) | Lost 0-2 | -151474 |
| 5extended | 78 | Honda, Masaya (1498) | Won 2-1 | +181492 |
| 6extended | 58 | Shimada, Hiroya (1515) | Won 2-0 | +191511 |
| 7extended | 55 | Shimoji, Ai (1610) | Lost 0-2 | -161495 |
| top | average opponent: 1535record: 4-3 | new rating: 1495 | ||
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1413 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 88 | Hatta, Shinichirou (1560) | Won 2-1 | +211434 |
| 2sealed | 68 | Ooura, Shotaro (1576) | Won 2-0 | +211455 |
| 3sealed | 8 | Kataoka, Asami (1668) | Won 2-1 | +211476 |
| 4sealed | 20 | Iizuka, Shun (1675) | Lost 0-2 | -141462 |
| 5sealed | 86 | Toyama, Kazuaki (1497) | Won 2-1 | +191481 |
| 6sealed | 32 | Yano, Kunihiro (1540) | Lost 1-2 | -171464 |
| 7sealed | 65 | Minami, Masashi (1640) | Lost 0-2 | -151449 |
| 8sealed | 66 | Yonaha, Masatomo (1588) | Won 2-0 | +201469 |
| top | average opponent: 1593record: 5-3 | new rating: 1469 | ||
| Grand Prix Singapore 2005 (extended) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 58 | Tan, Gary Gui Ping (1694) | Lost 0-2 | -151480 |
| 5extended | 78 | Kang, Gabriel (1503) | Lost 1-2 | -171463 |
| 6extended | 85 | Dayag, Jean Henri (1522) | Lost 1-2 | -171446 |
| 7extended | 107 | Soh, Chia Xiong (1504) | Lost 1-2 | -171429 |
| 8extended | 110 | Loh, Chuan Han (1578) | Lost 0-2 | -161413 |
| top | average opponent: 1560record: 0-5 | new rating: 1413 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 138 | Kashiwa, Tatsuya (1466) | Won 2-0 | +171514 |
| 3standard | 74 | Itou, Yusuke (1539) | Lost 0-2 | -171497 |
| 4standard | 183 | Amao, Hiroshi (1427) | Lost 1-2 | -201477 |
| 5standard | 314 | Mitsui, Hideo (1460) | Won 2-0 | +181495 |
| 6standard | 158 | Tsujimura, Hiroyuki (1501) | Won 2-1 | +181513 |
| 7standard | 134 | Okada, Wataru (1509) | Lost 0-2 | -181495 |
| 8standard | 193 | Terada, Tadashi (1518) | Lost 1-2 | -181477 |
| 9standard | 184 | Yamada, Uchu (1433) | Won 2-1 | +181495 |
| top | average opponent: 1482record: 4-4 | new rating: 1495 | ||
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 41 | Itou, Masayoshi (1511) | Won 2-1 | +191512 |
| 2sealed | 9 | Usuki, Ken (1518) | Lost 0-2 | -181494 |
| 3sealed | 185 | Shishido, Toshinori (1498) | Won 2-1 | +181512 |
| 4sealed | 85 | Takahashi, Kazunari (1519) | Won 2-1 | +181530 |
| 5sealed | 64 | Sasaki, Yusuke (Tokyo) (1597) | Lost 0-2 | -171513 |
| 6sealed | 92 | Murayama, Yoshiyuki (1581) | Lost 1-2 | -171496 |
| 7sealed | 118 | Kohata, Daisuke (1500) | Lost 0-2 | -171479 |
| 8sealed | 103 | Umi, Hirokazu (1484) | Won 2-0 | +181497 |
| top | average opponent: 1526record: 4-4 | new rating: 1497 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 75 | Yagi, Wataru (1501) | Won 2-0 | +181502 |
| 2sealed | 23 | Aridome, Tomohiro (1613) | Lost 1-2 | -161486 |
| 3sealed | 166 | Ando, Hiroaki (1548) | Won 2-1 | +201506 |
| 4sealed | 93 | Natsume, Takuya (1576) | Won 2-0 | +191525 |
| 5sealed | 114 | Ikeda, Akio (1567) | Won 2-1 | +191544 |
| 6sealed | 67 | Kitano, Tetsuya (1606) | Lost 1-2 | -171527 |
| 7sealed | 79 | Ota, Yusuke (1626) | Lost 0-2 | -161511 |
| 8sealed | 95 | Mori, Junpei (1553) | Lost 0-2 | -181493 |
| top | average opponent: 1574record: 4-4 | new rating: 1493 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 74 | Nagano, Munehisa (1431) | Won 2-0 | +171517 |
| 3block | 74 | Ishihara, Takashi (1607) | Won 2-1 | +191536 |
| 4block | 84 | Osaka, Yusuke (1527) | Lost 0-2 | -181518 |
| 5block | 61 | Kubouchi, Naoki (1609) | Lost 1-2 | -161502 |
| 6block | 214 | Sato, Ken (1518) | Lost 0-2 | -181484 |
| top | average opponent: 1539record: 2-3 | new rating: 1484 | ||