Yoshizawa, Kohei
Current rating: 1514
Record: 74-73-5
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
- 2023
| Regional Championships Chiba 2023 (pioneer) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 1 | Nakajima, Chikara (1726) | Won 2-1 | +211580 |
| 2pioneer | 46 | Matsuura, Takumi (1996) | Lost 0-2 | -111569 |
| 3pioneer | 52 | Ishikawa, Hikaru (1545) | Lost 1-2 | -181551 |
| 4pioneer | 85 | Nishimura, Hiroshi (1491) | Lost 1-2 | -191532 |
| 5pioneer | 88 | Kabashima, Takuya (1556) | Won 2-1 | +181550 |
| 6pioneer | 65 | asano, shun (1433) | Lost 0-2 | -201530 |
| 7pioneer | 71 | Yoshida, Shintarou (1640) | Lost 0-2 | -161514 |
| top | average opponent: 1627record: 2-5 | new rating: 1514 | ||
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 179 | Urata, Jun (1486) | Won 2-1 | +171575 |
| 3pioneer | 13 | Dadyko, Alexander (1715) | Lost 0-2 | -161559 |
| 4pioneer | 254 | Koshi, Hiroto (1582) | Won 2-1 | +191578 |
| 5pioneer | 278 | Kondou, Masaki (1595) | Won 2-1 | +181596 |
| 6pioneer | 58 | Komada, Shun (1650) | Lost 0-2 | -171579 |
| 7pioneer | 254 | Nakahashi, Huuma (1474) | Lost 0-2 | -201559 |
| top | average opponent: 1584record: 3-3 | new rating: 1559 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1582 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 16 | Gokan, Yuta (1349) | Lost 1-2 | -221560 |
| 3sealed | 819 | Hieda, Yosuke (1490) | Won 2-1 | +171577 |
| 4sealed | 396 | Motooka, Takahiro (1645) | Lost 1-2 | -171560 |
| 5sealed | 606 | Kuramoto, Hiroki (1547) | Won 2-0 | +181578 |
| 6sealed | 626 | Asano, Tatsuro (1552) | Won 2-0 | +171595 |
| 7sealed | 289 | Shiraishi, Masaharu (1628) | Lost 0-2 | -171578 |
| 8sealed | 371 | Watanabe, Ryohei (1486) | Lost 0-2 | -201558 |
| top | average opponent: 1528record: 3-4 | new rating: 1558 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1624 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 343 | Takano, Masahiro (1675) | Lost 1-2 | -171607 |
| 4modern | 398 | Shiura, Takefumi (1496) | Lost 1-2 | -201587 |
| 5modern | 803 | Kimoto, Keiya (1436) | Lost 1-2 | -201567 |
| 6modern | 876 | Nagase, Yoshinobu (1483) | Won 2-0 | +161583 |
| 7modern | 612 | Yamane, Naoto (1569) | Lost 1-2 | -181565 |
| 8modern | 599 | Nagata, Kotaro (1523) | Won 2-1 | +171582 |
| top | average opponent: 1530record: 2-4 | new rating: 1582 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1635 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 397 | Song, Xiangxue (1671) | Won 2-1 | +181653 |
| 4standard | 22 | Miyagawa, Yoshihiro (1556) | Lost 1-2 | -191634 |
| 5standard | 334 | Suzuki, Kento (1422) | Lost 0-2 | -221612 |
| 6standard | 484 | Takahashi, Toshirou (1390) | Won 2-0 | +141626 |
| 7standard | 391 | Xu, Shiwei (1672) | Lost 0-2 | -171609 |
| 8standard | 456 | Kawasaki, Masatsugu (1483) | Won 2-1 | +151624 |
| top | average opponent: 1533record: 3-3 | new rating: 1624 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 89 | Satou, Shouichi (1552) | Won 2-0 | +181519 |
| 4legacy | 23 | Mendoza, Paul (1677) | Won 2-0 | +211540 |
| 5legacy | 20 | Ida, Yuuji (1562) | Draw 1-1 | +11541 |
| 6legacy | 40 | Lee, Joon Soo (1826) | Won 2-1 | +231564 |
| 7legacy | 18 | Yamashita, Yoshiki (1483) | Won 2-0 | +161580 |
| 8legacy | 10 | Arita, Kazuhiro (1687) | Won 2-1 | +201600 |
| 9legacy | 5 | Fukaya, Yuta (1552) | Won 2-1 | +171617 |
| 10legacy | 3 | Tomizawa, Shin (1855) | Won 2-0 | +231640 |
| 11legacy | 2 | Anan, Kazuyoshi (1713) | Won 2-0 | +191659 |
| 12legacy | 1 | Hirosawa, Yuuta (2040) | Won 2-1 | +251684 |
| 13legacy | 1 | Shinohara, Gen 8933 (1657) | Lost 1-2 | -191665 |
| 14legacy | 2 | Yanagisawa, Yuta (1660) | Lost 0-2 | -181647 |
| 15legacy | 7 | Kobayashi, Tatsuumi (1969) | Lost 1-2 | -121635 |
| top | average opponent: 1710record: 9-3-1 | new rating: 1635 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 18 | Hayakawa, Naoki (1667) | Lost 1-2 | -161536 |
| 4sealed | 335 | Yoshida, Kenji (1433) | Lost 0-2 | -201516 |
| 5sealed | 847 | Yoshida, Akinobu (1632) | Lost 1-2 | -151501 |
| top | average opponent: 1577record: 0-3 | new rating: 1501 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1608 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 119 | Nakamura, Yusuke (1816) | Lost 0-2 | -141594 |
| 4sealed | 752 | Morita, Yukio (1518) | Lost 0-2 | -201574 |
| 5sealed | 645 | Iwata, Ayumu (1501) | Won 2-1 | +171591 |
| 6sealed | 491 | Takata, Takumi (1404) | Lost 0-2 | -211570 |
| 7sealed | 609 | Itou, Tomoya (1607) | Lost 1-2 | -181552 |
| top | average opponent: 1569record: 1-4 | new rating: 1552 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1680 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 558 | Bose, Timur (1450) | Lost 1-2 | -221658 |
| 4modern | 1024 | Marincic, David (1488) | Won 2-0 | +151673 |
| 5modern | 321 | Kennedy, Tyler (1442) | Won 2-0 | +141687 |
| 6modern | 193 | Eickmann, Andrew (1541) | Lost 1-2 | -211666 |
| 7modern | 378 | Bauer, John (1639) | Lost 0-2 | -181648 |
| 8modern | 723 | Paine, Linden (1541) | Lost 0-2 | -201628 |
| 9modern | 730 | Morford, Harrison (1510) | Lost 1-2 | -201608 |
| top | average opponent: 1516record: 2-5 | new rating: 1608 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1640 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 511 | Reynolds, Arthur W (1425) | Won 2-0 | +141654 |
| 4legacy | 72 | Lee, Jeffrey (1478) | Won 2-1 | +151669 |
| 5legacy | 11 | Ratajczak, Matthew (1645) | Lost 1-2 | -181651 |
| 6legacy | 337 | Chism, Aaron (1544) | Won 2-0 | +161667 |
| 7legacy | 119 | Paul, Corey (1675) | Won 2-1 | +181685 |
| 8legacy | 89 | Noonan, Christopher (1607) | Lost 0-2 | -191666 |
| 9legacy | 186 | Luebbert, Ryan (1534) | Won 2-0 | +151681 |
| 10legacy | 75 | McCarroll, John (1565) | Won 2-1 | +161697 |
| 11legacy | 52 | Lefkof, Michael (1601) | Won 2-0 | +161713 |
| 12legacy | 25 | Naide, Kazutaka (1801) | Lost 0-2 | -161697 |
| 13legacy | 113 | Riegel, David (1615) | Lost 1-2 | -191678 |
| 14legacy | 103 | Knab, Julian (1690) | Won 2-0 | +181696 |
| 15legacy | 85 | Ellingsen, Mats (1846) | Lost 0-2 | -161680 |
| top | average opponent: 1617record: 8-5 | new rating: 1680 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 257 | Kawahara, Daichi (1505) | Draw 1-1 | -11559 |
| 4modern | 362 | Tobaru, Ikuya (1535) | Won 2-1 | +171576 |
| 5modern | 181 | Koshimura, Takeshi (1676) | Lost 0-2 | -161560 |
| 6modern | 418 | Asada, Hiromasa (1490) | Won 2-0 | +171577 |
| 7modern | 253 | Hasegawa, Kazunari (1670) | Won 2-0 | +191596 |
| 8modern | 146 | Amayasu, Kazunori (1608) | Won 2-0 | +191615 |
| 9modern | 88 | Yamagata, Hiroki (1611) | Lost 0-2 | -181597 |
| 10modern | 194 | Yamamoto, Tetsuji (1715) | Won 2-0 | +201617 |
| 11modern | 112 | Nakashima, Takumi (1624) | Lost 0-2 | -181599 |
| 12modern | 209 | Takamiya, Issei (1534) | Won 2-0 | +171616 |
| 13modern | 138 | Iwasawa, Fumiya (1864) | Lost 0-2 | -141602 |
| 14modern | 186 | Locsin, John Gilbert (1611) | Won 2-1 | +181620 |
| 15modern | 135 | Kawaguchi, Takashi (1738) | Won 2-1 | +201640 |
| top | average opponent: 1629record: 8-4-1 | new rating: 1640 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 222 | Kakinoki, Junichi (1652) | Won 2-0 | +201525 |
| 4standard | 48 | Kaga, Noriya (1712) | Lost 1-2 | -141511 |
| 5standard | 421 | Suga, Junichi (1537) | Won 2-0 | +181529 |
| 6standard | 135 | Imai, Masakatsu (1559) | Won 2-1 | +191548 |
| 7standard | 224 | Watanabe, Yuuya (2100) | Lost 1-2 | -91539 |
| 8standard | 249 | Seki, Kentaro (1548) | Lost 1-2 | -181521 |
| 9standard | 377 | Miyawaki, Yuto (1488) | Won 2-1 | +171538 |
| 10standard | 282 | Mukasa, Yoshiya (1550) | Lost 0-2 | -171521 |
| 11standard | 370 | Kondo, Shogo (1529) | Won 2-1 | +181539 |
| 12standard | 286 | Ushikubo, Kenichi (1568) | Won 2-1 | +181557 |
| 13standard | 150 | Liu, Xuan (1621) | Won 2-1 | +201577 |
| 14standard | 159 | Saitou, Yuusuke (1579) | Draw 1-1 | 01577 |
| 15standard | 139 | Oono, Seita (1627) | Lost 1-2 | -171560 |
| top | average opponent: 1621record: 7-5-1 | new rating: 1560 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 48 | Wang, Guanyi (1603) | Lost 0-2 | -161506 |
| 4legacy | 500 | Yamamura, Mitsutoshi (1232) | Lost 0-2 | -231483 |
| 5legacy | 610 | Chan, Andy (1709) | Won 2-0 | +221505 |
| 6legacy | 658 | Akase, Daisuke (1441) | Lost 1-2 | -191486 |
| 7legacy | 852 | Ohasi, Masaki (1429) | Won 2-0 | +171503 |
| 8legacy | 431 | Ishiguro, Youhei (1611) | Lost 0-2 | -161487 |
| 9legacy | 611 | Nomura, Soichiro (1480) | Won 2-1 | +181505 |
| top | average opponent: 1501record: 3-4 | new rating: 1505 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1582 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 270 | Okamoto, Keita (1648) | Lost 0-2 | -171565 |
| 4standard | 962 | Yoshihara, Shinji (1475) | Lost 0-2 | -201545 |
| 5standard | 1255 | Horikawa, Shota (1516) | Lost 0-2 | -181527 |
| 6standard | 1314 | Furihara, Kazuki (1307) | Won 2-0 | +141541 |
| 7standard | 861 | Kinoshita, Yuhei (1513) | Lost 1-2 | -191522 |
| top | average opponent: 1492record: 1-4 | new rating: 1522 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1647 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 492 | Goto, Satoshi (1518) | Lost 0-2 | -201627 |
| 4sealed | 410 | Omori, Ken'ichirou (1830) | Lost 1-2 | -141613 |
| 5sealed | 784 | Kurikage, Kazuya (1378) | Won 2-1 | +141627 |
| 6sealed | 520 | Kitamura, Gaku (1490) | Won 2-1 | +151642 |
| 7sealed | 246 | Wen, Yuning (1591) | Lost 1-2 | -191623 |
| 8sealed | 590 | Amano, Makoto (1432) | Lost 0-2 | -211602 |
| 9sealed | 570 | Masato, Iizuka (1505) | Lost 1-2 | -201582 |
| top | average opponent: 1535record: 2-5 | new rating: 1582 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1606 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 484 | Watanabe, Masayuki (1499) | Won 2-0 | +161622 |
| 3standard | 569 | Oda, Keigo (1535) | Won 2-1 | +161638 |
| 4standard | 125 | Saito, Ryoichiro (1554) | Won 2-1 | +171655 |
| 5standard | 126 | Kondou, Masaki (1448) | Won 2-1 | +141669 |
| 6standard | 45 | Sou, Soy (1556) | Draw 1-1 | -21667 |
| 7standard | 35 | Miyawaki, Wataru (1618) | Won 2-0 | +171684 |
| 8standard | 20 | Takagishi, Hidefumi (1561) | Lost 0-2 | -201664 |
| 9standard | 75 | Yoshinaga, Mitsuteru (1743) | Lost 1-2 | -171647 |
| top | average opponent: 1564record: 5-2-1 | new rating: 1647 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 30 | Unknown(saitama), Unkn (1520) | Won 2-0 | +181570 |
| 3legacy | 17 | Noine, Kazuhiro (1442) | Won 2-0 | +151585 |
| 4legacy | 52 | Ozawa, Takeshi (1794) | Lost 0-2 | -141571 |
| 5legacy | 196 | Imai, Masakatsu (1511) | Draw 1-1 | -11570 |
| 6legacy | 131 | Sasaki, Ryou (1533) | Won 2-1 | +171587 |
| 7legacy | 85 | Nakaso, Kouji (1645) | Won 2-1 | +191606 |
| 8legacy | 47 | Wakabayashi, Taichi (1577) | Lost 1-2 | -181588 |
| 9legacy | 93 | Maruyama, Yuichiro (1586) | Won 2-1 | +181606 |
| top | average opponent: 1576record: 5-2-1 | new rating: 1606 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 721 | Suzuki, Shouta (1500) | Won 2-0 | +191499 |
| 2sealed | 821 | Koizumi, Junichi (1518) | Won 2-1 | +181517 |
| 3sealed | 645 | Fukaya, Yuta (1447) | Won 2-0 | +171534 |
| 4sealed | 623 | Yokoya, Hajime (1544) | Lost 1-2 | -181516 |
| 5sealed | 700 | Taniguchi, Hiroaki (1751) | Won 2-0 | +221538 |
| 6sealed | 716 | Asahara, Akira (1961) | Won 2-0 | +251563 |
| 7sealed | 648 | Matsuyama, Satoshi (1679) | Won 2-0 | +211584 |
| 8sealed | 616 | Kubuta, Hiroshi (1550) | Lost 0-2 | -191565 |
| 9sealed | 681 | Calcano, Christian (1874) | Lost 0-2 | -131552 |
| top | average opponent: 1647record: 6-3 | new rating: 1552 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1080 | Ushima, Kousuke (1391) | Lost 1-2 | -201480 |
| 2modern | 1047 | Kawata, Yoshiaki (1483) | Won 2-0 | +181498 |
| 3modern | 988 | Yamasaki, Rintarou (1556) | Lost 0-2 | -171481 |
| 4modern | 1208 | Kanagawa, Sinnya (1484) | Lost 1-2 | -181463 |
| 5modern | 1160 | Nakamura, Ryouta5022 (1500) | Won 2-1 | +191482 |
| 6modern | 1080 | Kamei, Hidenori (1376) | Lost 1-2 | -201462 |
| 7modern | 1036 | Yamazaki, Jun (1490) | Won 2-1 | +181480 |
| 8modern | 945 | Sasaki, Takahiro (1479) | Lost 0-2 | -181462 |
| 9modern | 938 | Koba, Kenichiro (1458) | Won 2-0 | +181480 |
| top | average opponent: 1469record: 4-5 | new rating: 1480 | ||