Ozawa, Takahiro
Current rating: 1671
Record: 67-51-4
Grand Prix Utsunomiya 2002Grand Prix Sendai 2004Grand Prix Yokohama 2004Grand Prix Niigata 2005Grand Prix Yamagata 2006Grand Prix Shizuoka 2008Grand Prix Niigata 2009Grand Prix Yokohama 2010Grand Prix Sendai 2010Grand Prix Yokohama 2012Grand Prix Yokohama 2013Grand Prix Shizuoka 2013Grand Prix Tokyo 2016Grand Prix Kyoto 2017Grand Prix Chiba 2018
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1666 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 277 | Haraguchi, Fernando (1500) | Won 2-1 | +151681 |
| 2sealed | 490 | Sasaki, Yusuke 1421 (1576) | Lost 1-2 | -201661 |
| 3sealed | 674 | Ogawa, Masafumi (1633) | Lost 1-2 | -181643 |
| 4sealed | 970 | Kanda, Shigeru (1409) | Won 2-0 | +131656 |
| 5sealed | 791 | Kusakabe, Yu (1501) | Won 2-1 | +161672 |
| 6sealed | 525 | Tsuzuki, Makoto (1523) | Won 2-1 | +151687 |
| 7sealed | 242 | Hosokawa, Yuya (1810) | Lost 0-2 | -161671 |
| top | average opponent: 1565record: 4-3 | new rating: 1671 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1668 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 51 | Hashimoto, Ryunosuke (1515) | Won 2-0 | +161684 |
| 2sealed | 223 | Mizutani, Yoshinobu (1467) | Won 2-0 | +141698 |
| 3sealed | 305 | Nakamura, Yuuki (1652) | Won 2-0 | +171715 |
| 4sealed | 92 | Kanegawa, Toshiya (1858) | Lost 1-2 | -161699 |
| 5sealed | 417 | Lantto, Magnus (1906) | Lost 1-2 | -141685 |
| 6sealed | 540 | Samejima, Ippei (1621) | Lost 0-2 | -191666 |
| top | average opponent: 1670record: 3-3 | new rating: 1666 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1674 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 857 | Ozaki, Takuya (1500) | Won 2-1 | +151689 |
| 2standard | 729 | Suzuki, Keisuke (1468) | Won 2-1 | +141703 |
| 3standard | 191 | Yamasaki, Takumi (1561) | Lost 0-2 | -201683 |
| 4standard | 487 | Hatta, Tetsuya (1491) | Won 2-0 | +141697 |
| 5standard | 575 | Yoshii, Takayuki (1669) | Draw 1-1 | 01697 |
| 6standard | 487 | Fujimoto, Koji (1522) | Draw 1-1 | -41693 |
| 7standard | 694 | Hagihara, Masahiro (1536) | Lost 1-2 | -201673 |
| 8standard | 885 | Yanagisawa, Tadahiro (1542) | Won 2-0 | +151688 |
| 9standard | 664 | Sei, Makoto (1580) | Lost 1-2 | -201668 |
| top | average opponent: 1541record: 4-3-2 | new rating: 1668 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1691 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 112 | Uedaira, Takumi (1500) | Won 2-0 | +151706 |
| 2standard | 142 | Okada, Wataru (1687) | Lost 0-2 | -191687 |
| 3standard | 219 | Satou, Masaya (1470) | Won 2-0 | +141701 |
| 4standard | 153 | Kozaki, Yosuke (1464) | Won 2-1 | +141715 |
| 5standard | 136 | Nose, Shunsuke (1495) | Lost 1-2 | -221693 |
| 6standard | 186 | Hirose, Yuuki (1643) | Lost 1-2 | -191674 |
| top | average opponent: 1543record: 3-3 | new rating: 1674 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1653 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 911 | Obata, Koji (1438) | Won 2-1 | +141667 |
| 2sealed | 931 | Yokoyama, Kento (1386) | Won 2-0 | +131680 |
| 3sealed | 823 | Higashimura, Kazuya (1410) | Won 2-0 | +131693 |
| 4sealed | 756 | Sasaki, Yuusuke (1784) | Won 2-0 | +201713 |
| 5sealed | 704 | Huang, Hao-Shan (1881) | Won 2-0 | +211734 |
| 6sealed | 674 | Murase, Hiroshi (1864) | Lost 1-2 | -161718 |
| 7sealed | 694 | Yasuda, Seita (1537) | Lost 1-2 | -211697 |
| 8sealed | 917 | Mino, Tetsuya (1523) | Won 2-0 | +151712 |
| 9sealed | 902 | Yao, Chris (1577) | Lost 1-2 | -211691 |
| top | average opponent: 1600record: 6-3 | new rating: 1691 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1677 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 156 | Yamagishi, Kenta (1517) | Won 2-1 | +151692 |
| 3modern | 100 | Hirayama, Souta (1537) | Won 2-0 | +151707 |
| 4modern | 59 | Onizuka, Makoto (1499) | Won 2-1 | +141721 |
| 5modern | 40 | Inoue, Hiroyuki (1550) | Lost 0-2 | -211700 |
| 6modern | 123 | Hokumura, Tatsuro (1549) | Lost 0-2 | -211679 |
| 7modern | 262 | Hata, Hideaki (1525) | Lost 1-2 | -201659 |
| 8modern | 289 | Terada, Tadashi (1481) | Lost 0-2 | -221637 |
| 9modern | 262 | Kiyonaga, Sho (1479) | Won 2-0 | +161653 |
| top | average opponent: 1517record: 4-4 | new rating: 1653 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1658 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 23 | Akagi, Takaaki (1516) | Won 2-0 | +151673 |
| 3standard | 37 | Okauchi, Yuuta (1497) | Won 2-1 | +151688 |
| 4standard | 100 | Honda, Naoki (1500) | Lost 1-2 | -211667 |
| 5standard | 167 | Swartz, Ben (1516) | Lost 1-2 | -211646 |
| 6standard | 197 | Hori, Keisuke (1454) | Won 2-1 | +151661 |
| 7standard | 123 | Yamaguchi, Teruyuki (1602) | Won 2-1 | +171678 |
| 8standard | 59 | Hayakawa, Ryo (1503) | Lost 0-2 | -221656 |
| 9standard | 131 | Yamamoto, Akimasa (1775) | Won 2-0 | +211677 |
| top | average opponent: 1545record: 5-3 | new rating: 1677 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1691 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 208 | Yamashita, Hidetoshi (1678) | Lost 0-2 | -191672 |
| 3extended | 363 | Suzuki, Mikito (1449) | Won 2-0 | +141686 |
| 4extended | 142 | Moriya, Toshihiko (1597) | Lost 1-2 | -191667 |
| 5extended | 305 | Izumiya, Yoshiaki (1545) | Draw 1-1 | -31664 |
| 6extended | 292 | Yokono, Yuusuke (1488) | Won 2-0 | +151679 |
| 7extended | 208 | Nitta, Yuki (1498) | Lost 1-2 | -211658 |
| top | average opponent: 1542record: 2-3-1 | new rating: 1658 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 203 | Kagami, Gen (1616) | Won 2-1 | +201568 |
| 2sealed | 21 | Kawada, Chihiro (1573) | Won 2-1 | +181586 |
| 3sealed | 76 | Ashikaga, Masatoshi (1535) | Won 2-1 | +171603 |
| 4sealed | 48 | Hosokawa, Yuya (1679) | Won 2-1 | +191622 |
| 5sealed | 4 | Fujimoto, Taichi (1844) | Won 2-0 | +221644 |
| 6sealed | 4 | Satou, Dai (1675) | Won 2-0 | +191663 |
| 7sealed | 5 | Date, Hiroshi (1601) | Won 2-1 | +171680 |
| 8sealed | 6 | Matsumoto, Fumiya (1680) | Won 2-0 | +181698 |
| 9sealed | 2 | Saito, Takaya (1754) | Lost 0-2 | -171681 |
| 10draft | 9 | Kuroda, Masashiro (1937) | Lost 0-2 | -141667 |
| 11draft | 41 | Satou, Dai (1700) | Won 2-1 | +191686 |
| 12draft | 35 | Nakamura, Hajime (1709) | Lost 1-2 | -181668 |
| 13draft | 39 | Sugiki, Takafumi (1815) | Won 2-1 | +211689 |
| 14draft | 7 | Suzuki, Nobuyoshi (1786) | Lost 1-2 | -161673 |
| 15draft | 25 | Tamura, Ryo (1672) | Won 2-1 | +181691 |
| top | average opponent: 1705record: 11-4 | new rating: 1691 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 260 | Nozawa, Tooru (1500) | Lost 0-2 | -191520 |
| 2standard | 340 | Littlefield, James (1482) | Won 2-0 | +171537 |
| 3standard | 275 | Enatsu, Youhei (1502) | Won 2-0 | +181555 |
| 4standard | 178 | Motegi, Kennosuke (1449) | Won 2-0 | +161571 |
| 5standard | 132 | Ogawa, Hiroyuki (1536) | Lost 0-2 | -191552 |
| 6standard | 172 | Ichikawa, Takayoshi (1517) | Lost 1-2 | -191533 |
| 7standard | 251 | Nii, Masanobu (1500) | Won 2-0 | +181551 |
| 8standard | 215 | Motonaga, Hiroaki (1465) | Lost 1-2 | -201531 |
| 9standard | 107 | Kuribayashi, Tatsunori (1482) | Won 2-1 | +171548 |
| top | average opponent: 1492record: 5-4 | new rating: 1548 | ||
| Grand Prix Yamagata 2006 (TSP limited) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 43 | Enomoto, Masae (1500) | Lost 0-2 | -201577 |
| 2sealed | 119 | Yamada, Hiroki (1492) | Lost 0-2 | -201557 |
| 3sealed | 134 | Yagi, Hiroyuki (1515) | Lost 0-2 | -181539 |
| top | average opponent: 1502record: 0-3 | new rating: 1539 | ||
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1607 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 51 | Nogami, Masahiro (1529) | Lost 1-2 | -201587 |
| 3block | 134 | Tsutsumi, Takanobu (1498) | Won 2-0 | +171604 |
| 4block | 154 | Kanazawa, Atsushi (1521) | Draw 1-1 | -21602 |
| 5block | 120 | Ito, Hajime (1454) | Lost 0-2 | -211581 |
| 6block | 143 | Miyasaka, Takeshi (1513) | Won 2-0 | +171598 |
| 7block | 107 | Kabeshita, Yoshito (1533) | Won 2-0 | +171615 |
| 8block | 80 | Tanaka, Yousuke (1598) | Lost 0-2 | -181597 |
| top | average opponent: 1521record: 3-3-1 | new rating: 1597 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 45 | Imaizumi, Takuya (1553) | Won 2-0 | +181588 |
| 2sealed | 75 | Natsume, Seishiro (1478) | Won 2-0 | +161604 |
| 3sealed | 69 | Tanaka, Ryota (1519) | Won 2-0 | +161620 |
| 4sealed | 39 | Iwakura, Tatsuro (1607) | Won 2-0 | +181638 |
| 5sealed | 25 | Takeda, Hiroki (1755) | Won 2-1 | +201658 |
| 6sealed | 7 | Morita, Masahiko (1931) | Lost 0-2 | -131645 |
| 7sealed | 18 | Nikkuni, Fumihito (1623) | Lost 1-2 | -191626 |
| 8sealed | 119 | Takagi, Yui (1527) | Lost 0-2 | -191607 |
| top | average opponent: 1624record: 5-3 | new rating: 1607 | ||
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 79 | Muramatsu, Daisuke (1478) | Won 2-1 | +171545 |
| 2sealed | 78 | Nakajima, Chikara (1734) | Won 2-1 | +221567 |
| 3sealed | 78 | Niwa, Kohei (1561) | Won 2-1 | +181585 |
| 4sealed | 39 | Sasagawa, Tomohide (1687) | Lost 1-2 | -161569 |
| 5sealed | 97 | Suganuma, Takeshi (1551) | Won 2-0 | +171586 |
| 6sealed | 33 | Watanabe, Hiroto (1583) | Lost 0-2 | -181568 |
| 7sealed | 96 | Komiyama, Hideki (1584) | Won 2-0 | +181586 |
| 8sealed | 56 | Miyajima, Yoshitaka (1665) | Lost 1-2 | -161570 |
| top | average opponent: 1605record: 5-3 | new rating: 1570 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 182 | Yanagihara, Takashi (1500) | Won 2-1 | +181518 |
| 2sealed | 95 | Morishige, Koji (1518) | Won 2-0 | +181536 |
| 3sealed | 51 | Sakurai, Yuu (1484) | Won 2-0 | +171553 |
| 4sealed | 20 | Nagayama, Hiroyuki (1501) | Won 2-0 | +171570 |
| 5sealed | 14 | Okamoto, Jin (1892) | Lost 0-2 | -121558 |
| 6sealed | 54 | Mitsuya, Kazuhiko (1805) | Won 2-0 | +221580 |
| 7sealed | 28 | Sasaki, Yusuke (1509) | Won 2-1 | +171597 |
| 8sealed | 24 | Tanaka, Hisaya (1583) | Lost 0-2 | -181579 |
| 9rochester | 24 | Ishihara, Takashi (1575) | Won 2-0 | +181597 |
| 10rochester | 19 | Asahara, Akira (1805) | Lost 1-2 | -151582 |
| 11rochester | 22 | Suga, Takeichi (1564) | Lost 0-2 | -181564 |
| 12rochester | 29 | Chijimi, Keiichi (1571) | Lost 0-2 | -181546 |
| 13rochester | 30 | Mukuno, Yuuji (1558) | Lost 0-2 | -181528 |
| top | average opponent: 1605record: 7-6 | new rating: 1528 | ||