Mizutani, Naoto
Current rating: 1703 (#6306)
Record: 60-45-1
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1684 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 65 | Hagiwara, Yuichi (1498) | Won 2-1 | +141698 |
| 2pioneer | 284 | Esuga, Yuuki (1354) | Won 2-1 | +121710 |
| 3pioneer | 103 | Fusegi, Takanori (1406) | Won 2-1 | +131723 |
| 4pioneer | 186 | Karasawa, Ryuichi (1846) | Lost 0-2 | -161707 |
| 5pioneer | 325 | Okumura, Takaaki (1520) | Lost 0-2 | -211686 |
| 6pioneer | 283 | Takeshita, Toru (1732) | Won 2-1 | +191705 |
| 7pioneer | 259 | Yoshihara, Shinji (1435) | Won 2-0 | +131718 |
| 8pioneer | 187 | Nakayama, Satoshi (1510) | Won 2-0 | +141732 |
| 9pioneer | 148 | Hakozaki, Yuta (1495) | Won 2-1 | +141746 |
| 10pioneer | 41 | Maeba, Hideaki (1853) | Won 2-1 | +201766 |
| 11pioneer | 57 | Morimoto, Yutaro (1642) | Won 2-1 | +161782 |
| 12pioneer | 22 | Nakamura, Kouki 3727 (1787) | Lost 1-2 | -181764 |
| 13pioneer | 56 | Masui, Norioki (1641) | Lost 0-2 | -201744 |
| 14pioneer | 55 | Choi, Kiho (1614) | Lost 0-2 | -211723 |
| 15pioneer | 91 | Hirasawa, Daisuke (1620) | Lost 0-2 | -201703 |
| top | average opponent: 1597record: 9-6 | new rating: 1703 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1606 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 534 | Hara, Kazuma (1432) | Won 2-0 | +151621 |
| 2sealed | 123 | Sun, Kuangda (1626) | Lost 1-2 | -181603 |
| 3sealed | 818 | Nakae, Syu (1441) | Won 2-0 | +151618 |
| 4sealed | 459 | Popitukgul, Sutipong (1691) | Lost 1-2 | -161602 |
| 5sealed | 588 | Yoshida, Akinobu (1648) | Won 2-0 | +191621 |
| 6sealed | 637 | Kim, Ho-Yeon (1498) | Won 2-0 | +151636 |
| 7sealed | 300 | Shimizu, Ryouta (1600) | Won 2-0 | +181654 |
| 8sealed | 351 | Ikeda, Ippei (1609) | Won 2-1 | +171671 |
| 9sealed | 88 | Kuroiwa, Hiroki (1555) | Lost 0-2 | -201651 |
| 10draft | 74 | Nanjo, Masashi (1903) | Won 2-0 | +221673 |
| 11draft | 321 | Sugaya, Hironobu (1900) | Won 2-0 | +221695 |
| 12draft | 206 | Takeshita, Toru (1747) | Won 2-0 | +191714 |
| 13draft | 180 | Hayashi, Shinsuke (1870) | Lost 0-2 | -151699 |
| 14draft | 156 | Han, Chin Yao (1850) | Lost 0-2 | -151684 |
| top | average opponent: 1669record: 9-5 | new rating: 1684 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 396 | Nekomiya, Kagenaga (1500) | Lost 0-2 | -201538 |
| 2modern | 817 | Sakuragi, Yosuke (1480) | Won 2-0 | +171555 |
| 3modern | 849 | Terasawa, Yu (1515) | Won 2-1 | +181573 |
| 4modern | 628 | Hasegawa, Atusi (1404) | Won 2-0 | +151588 |
| 5modern | 250 | Imazawa, Junpei (1538) | Won 2-0 | +171605 |
| 6modern | 102 | Yokono, Yuusuke (1550) | Won 2-1 | +171622 |
| 7modern | 71 | Satou, Tsubasa (1743) | Lost 1-2 | -161606 |
| 8modern | 369 | Nakadai, Keisuke (1505) | Won 2-0 | +161622 |
| 9modern | 219 | Hashizume, Tomohiro (1560) | Won 2-0 | +171639 |
| 10modern | 72 | Nakao, Motohiko (1592) | Won 2-1 | +171656 |
| 11modern | 55 | Lee, Anthony (1890) | Lost 0-2 | -141642 |
| 12modern | 180 | Watanabe, Yuta (1720) | Won 2-1 | +201662 |
| 13modern | 90 | Hasebe, Shunichi (1612) | Lost 1-2 | -191643 |
| 14modern | 147 | Ootachi, Makoto (1548) | Lost 1-2 | -201623 |
| 15modern | 179 | Chan, Andy (1693) | Lost 0-2 | -171606 |
| top | average opponent: 1590record: 9-6 | new rating: 1606 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 369 | Kaneko, Takuto (1500) | Won 2-0 | +171569 |
| 2standard | 270 | Matsuya, Takahiro (1339) | Won 2-1 | +141583 |
| 3standard | 460 | Hayata, Akira (1764) | Won 2-0 | +211604 |
| 4standard | 326 | Myoga, Toshiki (1519) | Lost 1-2 | -201584 |
| 5standard | 254 | Wakizaka, Hironari (1503) | Won 2-1 | +171601 |
| 6standard | 328 | Hanano, Tetsuaki (1367) | Won 2-1 | +141615 |
| 7standard | 119 | Masui, Yuusuke (1560) | Lost 1-2 | -191596 |
| 8standard | 294 | Terada, Shuuhei (1625) | Lost 0-2 | -181578 |
| 9standard | 564 | Kajita, Hiroki (1424) | Lost 0-2 | -201558 |
| top | average opponent: 1511record: 5-4 | new rating: 1558 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 7 | Ishikawa, Yasuhiro (1500) | Won 2-1 | +171556 |
| 2standard | 151 | Kise, Masato (1544) | Lost 0-2 | -181538 |
| 3standard | 464 | Hatta, Tetsuya (1520) | Won 2-1 | +181556 |
| 4standard | 241 | Kawano, Yuuta (1499) | Lost 1-2 | -191537 |
| 5standard | 470 | Nakata, Yusuke (1526) | Lost 1-2 | -191518 |
| 6standard | 547 | Ishizuka, Shinji (1472) | Won 2-1 | +181536 |
| 7standard | 465 | Nishikawa, Masayuki (1488) | Won 2-0 | +171553 |
| 8standard | 353 | U, Kashin (1496) | Lost 0-2 | -191534 |
| 9standard | 313 | Matsumura, Toshikazu (1539) | Won 2-0 | +181552 |
| top | average opponent: 1509record: 5-4 | new rating: 1552 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 244 | Enomoto, Yuuji (1500) | Won 2-1 | +171563 |
| 2modern | 199 | Ando, Koyo (1560) | Lost 0-2 | -181545 |
| 3modern | 315 | Yamada, Daiki (1425) | Lost 1-2 | -201525 |
| 4modern | 601 | Yoshida, Satoshi (1541) | Lost 1-2 | -181507 |
| 5modern | 629 | Saito, Yuta (1445) | Won 2-0 | +171524 |
| 6modern | 467 | Murata, Ryousuke (1467) | Lost 1-2 | -191505 |
| 7modern | 461 | Horie, Youhei (1466) | Won 2-0 | +181523 |
| 8modern | 326 | Higuchi, Kazuya (1434) | Won 2-1 | +161539 |
| top | average opponent: 1480record: 4-4 | new rating: 1539 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 77 | Saito, Shigeru (1494) | Lost 0-2 | -191529 |
| 2standard | 363 | Sato, Akimi (1482) | Won 2-0 | +171546 |
| 3standard | 259 | Washimi, Kazuo (1441) | Won 2-0 | +161562 |
| 4standard | 161 | Suzuki, Gou (1504) | Won 2-1 | +171579 |
| 5standard | 105 | Kawashima, Hajime (1600) | Lost 0-2 | -181561 |
| 6standard | 178 | Takebayashi, Tomo (1729) | Lost 1-2 | -151546 |
| top | average opponent: 1542record: 3-3 | new rating: 1546 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 4 | Ooshima, Shun (1500) | Lost 1-2 | -181512 |
| 2extended | 414 | Kashima, Akihiro (1677) | Won 2-1 | +211533 |
| 3extended | 308 | Kabe, Kazuki (1498) | Won 2-0 | +171550 |
| 4extended | 238 | Saeki, Tomoya (1531) | Won 2-0 | +181568 |
| 5extended | 85 | Ushikubo, Kenichi (1476) | Won 2-0 | +161584 |
| 6extended | 108 | Kitamura, Kazuhide (1550) | Lost 1-2 | -191565 |
| 7extended | 185 | Kimura, Takuto (1573) | Lost 1-2 | -171548 |
| top | average opponent: 1544record: 4-3 | new rating: 1548 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 66 | Kabeshita, Yoshito (1542) | Won 2-1 | +181555 |
| 2extended | 109 | Kobayashi, Takahito (1465) | Lost 0-2 | -201535 |
| 3extended | 119 | Hiraga, Masahiro (1401) | Lost 0-2 | -201515 |
| 4extended | 212 | Inanaga, Nobuyuki (1545) | Won 2-0 | +181533 |
| 5extended | 181 | Sakai, Yuuto (1504) | Won 2-0 | +181551 |
| 6extended | 149 | Fujii, Toshikazu (1447) | Won 2-1 | +161567 |
| 7extended | 129 | Kawachi, Yusuke (1474) | Lost 1-2 | -201547 |
| 8extended | 78 | Sumita, Masanobu (1605) | Lost 0-2 | -171530 |
| top | average opponent: 1498record: 4-4 | new rating: 1530 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 187 | Komaki, Naoki (1526) | Won 0-0 | +181537 |
| 2sealed | 94 | Nakamura, Yusuke (1591) | Won 2-1 | +191556 |
| 3sealed | 45 | Takakuwa, Akihiro (1767) | Lost 0-2 | -141542 |
| 4sealed | 159 | Azuma, Nobuaki (1532) | Lost 0-2 | -181524 |
| 5sealed | 160 | Aoki, Yoshitsugu (1526) | Won 2-0 | +181542 |
| 6sealed | 123 | Nishimura, Masaaki (1360) | Lost 0-2 | -211521 |
| 7sealed | 78 | Yamashita, Kohji (1425) | Won 2-0 | +161537 |
| top | average opponent: 1532record: 4-3 | new rating: 1537 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 222 | Kamei, Toru (1333) | Won 2-0 | +151515 |
| 3block | 36 | Hosono, Yasutaka (1518) | Won 2-1 | +181533 |
| 4block | 40 | Tamai, Katsuyoshi (1577) | Won 2-1 | +191552 |
| 5block | 32 | Kubouchi, Naoki (1688) | Won 2-1 | +201572 |
| 6block | 5 | Sakaguchi, Naoki (1602) | Lost 1-2 | -171555 |
| 7block | 18 | Hashizume, Yuuya (1573) | Lost 0-2 | -181537 |
| 8block | 68 | Jinbu, Yousuke (1509) | Draw 0-0 | 01537 |
| 9block | 74 | Botin, Arvin (1560) | Lost 1-2 | -181519 |
| top | average opponent: 1545record: 4-3-1 | new rating: 1519 | ||