Nakamura, Junpei
Current rating: 1671
Record: 48-39-1
| Regional Championships Aichi 2023 (pioneer) | starting rating: 1660 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 47 | Homma, Akira (1556) | Won 2-0 | +161676 |
| 2pioneer | 35 | Yada, Kazuki (1883) | Won 2-1 | +221698 |
| 3pioneer | 27 | Atsuji, Makoto (1580) | Lost 1-2 | -201678 |
| 4pioneer | 22 | Kamo, Riki (1854) | Lost 1-2 | -151663 |
| 5pioneer | 44 | Shimizu, Takuma (1457) | Won 2-0 | +141677 |
| 6pioneer | 36 | Ishikawa, Hikaru (1560) | Lost 0-2 | -201657 |
| 7pioneer | 62 | Seno, Akira (1453) | Won 2-1 | +141671 |
| top | average opponent: 1620record: 4-3 | new rating: 1671 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1701 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 247 | Tanakajima, Tatsuki (1534) | Won 2-0 | +151716 |
| 2standard | 118 | Kimura, Tatsuhiro (1498) | Lost 0-2 | -221694 |
| 3standard | 744 | Takagi, Kenji (1400) | Lost 0-2 | -231671 |
| 4standard | 689 | Morita, Yo (1612) | Lost 1-2 | -191652 |
| 5standard | 749 | Tada, Shiori (1462) | Won 2-1 | +151667 |
| 6standard | 611 | Ebe, Tsuyoshi (1477) | Won 2-0 | +141681 |
| 7standard | 446 | Meguri, Koudai (1503) | Lost 1-2 | -211660 |
| top | average opponent: 1498record: 3-4 | new rating: 1660 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 471 | Freyre, Ignacio (1570) | Won 2-0 | +191582 |
| 2sealed | 409 | Li, Jinyi (1503) | Won 2-0 | +161598 |
| 3sealed | 434 | Meulders, Bram (1583) | Won 2-1 | +181616 |
| 4sealed | 74 | Je, Sungeun (1951) | Lost 1-2 | -121604 |
| 5sealed | 374 | Mimido, Ryuji (1563) | Won 2-0 | +171621 |
| 6sealed | 270 | Venturi, Matteo (1488) | Lost 1-2 | -201601 |
| 7sealed | 286 | Katagiri, Keisuke (1549) | Won 2-0 | +171618 |
| 8sealed | 167 | Uchida, Kensuke (1663) | Won 2-0 | +181636 |
| 9sealed | 238 | Tao, Jiachen (2001) | Lost 1-2 | -111625 |
| 10draft | 63 | Otahara, Sho (1639) | Won 2-0 | +181643 |
| 11draft | 63 | Inuzuka, Satoshi (1642) | Won 2-0 | +181661 |
| 12draft | 61 | Yasuda, Masayuki (1866) | Won 2-1 | +221683 |
| 13draft | 25 | Ogawa, Shota (1639) | Won 2-1 | +171700 |
| 14draft | 92 | Boku, Takashi (1811) | Won 2-0 | +201720 |
| 15draft | 125 | Terasawa, Yu (1680) | Lost 0-2 | -191701 |
| top | average opponent: 1676record: 11-4 | new rating: 1701 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1583 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 578 | Sakou, Yuuta (1513) | Lost 0-2 | -201563 |
| top | record: 0-1 | new rating: 1563 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1606 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 440 | Matsuda, Taku (1500) | Won 2-0 | +161622 |
| 2sealed | 262 | Tani, Chiharu (1565) | Won 2-1 | +171639 |
| 3sealed | 232 | Nakamura, Keisuke (1634) | Lost 1-2 | -181621 |
| 4sealed | 159 | Umeki, Ryo (1537) | Lost 0-2 | -201601 |
| 5sealed | 265 | Kajita, Yuuki (1564) | Lost 1-2 | -181583 |
| top | average opponent: 1560record: 2-3 | new rating: 1583 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 65 | Shinkawa, Takuya (1467) | Lost 1-2 | -181446 |
| 2sealed | 290 | Hayashi, Katsuji (1555) | Won 2-0 | +201466 |
| 3sealed | 290 | Hattori, Takesi (1525) | Lost 1-2 | -171449 |
| 4sealed | 380 | Ozawa, Yoshimasa (1485) | Won 2-1 | +191468 |
| 5sealed | 353 | Yamagishi, Tetsuya (1530) | Won 2-0 | +191487 |
| 6sealed | 169 | Yanaka, Taketo (1452) | Won 2-0 | +171504 |
| 7sealed | 190 | Yasufuku, Akihiro (1664) | Won 2-0 | +211525 |
| 8sealed | 73 | Kim, Han-yong (1555) | Won 2-0 | +191544 |
| 9sealed | 93 | Tutumi, Kento (1594) | Won 2-1 | +191563 |
| 10draft | 52 | Yang, Jun-mo (1612) | Won 2-0 | +181581 |
| 11draft | 84 | Arahori, Kazuaki (1657) | Lost 1-2 | -161565 |
| 12draft | 15 | Yamada, Ryuichiro (1692) | Won 2-0 | +201585 |
| 13draft | 19 | Sugiyama, Syun (1550) | Won 2-1 | +171602 |
| 14draft | 89 | Kanegawa, Toshiya (1859) | Lost 1-2 | -131589 |
| 15draft | 60 | Yoshimura, Naoto (1525) | Won 2-0 | +171606 |
| top | average opponent: 1581record: 11-4 | new rating: 1606 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 95 | Horiuchi, Taisuke (1451) | Lost 0-2 | -191482 |
| 2modern | 480 | Shirakawa, Hiroaki (1481) | Won 2-0 | +181500 |
| 3modern | 366 | Tazuke, Naoya (1500) | Lost 0-2 | -181482 |
| 4modern | 446 | Masutani, Kazuhiro (1480) | Lost 1-2 | -181464 |
| top | average opponent: 1478record: 1-3 | new rating: 1464 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 273 | Fujino, Mai (1500) | Won 2-0 | +171551 |
| 2standard | 39 | Sasaki, Yuusuke H (1500) | Lost 1-2 | -191532 |
| 3standard | 438 | Kitayama, Masaya (1933) | Lost 0-2 | -111521 |
| 4standard | 444 | Okumura, Ayako (1485) | Lost 1-2 | -191502 |
| 5standard | 474 | Kita, Takuya (1469) | Won 2-1 | +181520 |
| 6standard | 425 | Lee, Wonchang (1478) | Lost 0-2 | -191501 |
| top | average opponent: 1561record: 2-4 | new rating: 1501 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 129 | Imi, Tadakatsu (1446) | Won 2-1 | +161551 |
| 2sealed | 12 | Katayama, Hidenori (1596) | Lost 0-2 | -171534 |
| 3sealed | 175 | Shitakubo, Hiroyuki (1500) | Won 2-1 | +171551 |
| 4sealed | 156 | Kou, Changsu (1612) | Won 2-1 | +201571 |
| 5sealed | 88 | Kiyatake, Morishi (1489) | Lost 0-2 | -201551 |
| 6sealed | 81 | Nagata, Shigeki (1576) | Lost 0-2 | -171534 |
| top | average opponent: 1537record: 3-3 | new rating: 1534 | ||
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 20 | Taura, Ryuji (1453) | Won 2-1 | +161575 |
| 2sealed | 12 | Fukuta, Shingo (1485) | Lost 1-2 | -201555 |
| 3sealed | 85 | Toyonaga, Yasuhiro (1504) | Won 2-1 | +171572 |
| 4sealed | 88 | Nakayama, Shirou (1527) | Won 2-1 | +171589 |
| 5sealed | 66 | Kadooka, Toshiyuki (1664) | Lost 0-2 | -161573 |
| 6sealed | 96 | Takasugi, Ryouta (1527) | Lost 0-2 | -191554 |
| 7sealed | 55 | Kim, Inhwan (1502) | Lost 0-2 | -191535 |
| top | average opponent: 1523record: 3-4 | new rating: 1535 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 265 | Seki, Keita (1511) | Won 2-1 | +181541 |
| 2standard | 148 | Suezawa, Hiroshi (1518) | Won 2-0 | +171558 |
| 3standard | 2 | Yasutomi, Hiroto (1794) | Lost 1-2 | -131545 |
| 4standard | 213 | Michiwaki, Teruyoshi (1495) | Lost 0-2 | -191526 |
| 5standard | 230 | Gokan, Masaki (1501) | Won 2-0 | +171543 |
| 6standard | 204 | Shimada, Hiroya (1552) | Won 2-0 | +181561 |
| 7standard | 126 | Kurashima, Kazuki (1461) | Draw 1-1 | -11560 |
| 8standard | 114 | Moriya, Jun (1558) | Won 2-1 | +171577 |
| 9standard | 77 | Tanaka, Yu (1529) | Lost 0-2 | -181559 |
| top | average opponent: 1547record: 5-3-1 | new rating: 1559 | ||
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 19 | Kamei, Kazuhiko (1524) | Won 2-0 | +181518 |
| 3extended | 4 | Sugama, Hideichi (1565) | Won 2-0 | +191537 |
| 4extended | 35 | Sasagawa, Tomohide (1769) | Won 2-1 | +221559 |
| 5extended | 3 | Morita, Masahiko (2057) | Lost 0-2 | -91550 |
| 6extended | 37 | Fujita, Tsuyoshi (2087) | Lost 1-2 | -91541 |
| 7extended | 39 | Ishida, Naoyuki (1550) | Lost 1-2 | -181523 |
| top | average opponent: 1759record: 3-3 | new rating: 1523 | ||