Jen, Chien-Ming
Current rating: 1705 (#6222)
Record: 58-44-1 (GP) / 10-7-1 (professional)
2001 World ChampionshipGrand Prix Taipei 2002Grand Prix Singapore 2005Grand Prix Taipei 2005Grand Prix Hiroshima 2011Grand Prix Kobe 2012Grand Prix Kuala Lumpur 2012Grand Prix Manila 2012Grand Prix Nagoya 2012Grand Prix Kitakyushu 2013Grand Prix Kuala Lumpur 2014Grand Prix Beijing 2014Grand Prix Nagoya 2014
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1713 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 152 | Kamikawa, Takuya (1518) | Won 2-1 | +141727 |
| 3sealed | 170 | Tomikawa, Akihisa (1443) | Won 2-1 | +131740 |
| 4sealed | 80 | Inoue, Toru (1575) | Lost 1-2 | -211719 |
| 5sealed | 54 | Uehara, Jin (1477) | Won 2-1 | +141733 |
| 6sealed | 90 | Sakai, Yoshiki (1490) | Lost 1-2 | -221711 |
| 7sealed | 105 | Ikeda, Takumi (1547) | Won 2-1 | +151726 |
| 8sealed | 66 | Takahira, Shunsuke (1550) | Lost 1-2 | -211705 |
| top | average opponent: 1514record: 4-3 | new rating: 1705 | ||
| Grand Prix Beijing 2014 (BNG standard) | starting rating: 1712 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 129 | Mok, Chris (1505) | Won 2-1 | +141726 |
| 4standard | 108 | Milosevic, David (1555) | Won 2-1 | +151741 |
| 5standard | 46 | Nakamura, Shuhei (1962) | Won 2-1 | +221763 |
| 6standard | 1 | Yan, Tao (1565) | Lost 0-2 | -221741 |
| 7standard | 61 | Zhao, Dayi (1573) | Lost 1-2 | -211720 |
| 8standard | 136 | Xu, Wenjun (1522) | Won 2-1 | +151735 |
| 9standard | 47 | Feng, Qianxin (1519) | Lost 0-2 | -221713 |
| top | average opponent: 1600record: 4-3 | new rating: 1713 | ||
| Grand Prix Kuala Lumpur 2014 (THS limited) | starting rating: 1698 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 295 | Wang, Terrance Chi Wai (1500) | Won 2-0 | +141712 |
| 2sealed | 180 | Neo, Alvin (1659) | Lost 1-2 | -191693 |
| 3sealed | 341 | Fadzrun, Ahmad (1504) | Won 2-0 | +151708 |
| 4sealed | 277 | Leow, Chin Yew (1516) | Won 2-0 | +141722 |
| 5sealed | 107 | Francisco, Joseph (1534) | Won 2-1 | +151737 |
| 6sealed | 66 | Yeo, Eric (1551) | Won 2-0 | +151752 |
| 7sealed | 60 | Lim, Edwin Voon Fei (1686) | Won 2-0 | +161768 |
| 8sealed | 42 | Lee, Rick Hup Beng (1853) | Lost 1-2 | -161752 |
| 9sealed | 46 | Chia, Peng Chwan Dave (1658) | Won 2-1 | +161768 |
| 10draft | 14 | Ong, Desmond Wei Liang (1727) | Lost 1-2 | -191749 |
| 11draft | 22 | Mohd Yusoffi, Muhd Aqa (1609) | Lost 1-2 | -201729 |
| 13draft | 14 | Yii, Terh Kuen (1691) | Won 2-0 | +171746 |
| 14draft | 41 | Chen, Liang (1803) | Lost 0-2 | -171729 |
| 15draft | 51 | Ng, Soon Lye (1760) | Lost 1-2 | -171712 |
| top | average opponent: 1647record: 8-6 | new rating: 1712 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1762 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 92 | Schwenk, Ryan (1401) | Lost 1-2 | -251737 |
| 4standard | 276 | Shigehara, Toshinori (1734) | Lost 0-2 | -181719 |
| 5standard | 350 | Yohara, Tosho (1516) | Lost 1-2 | -211698 |
| top | average opponent: 1550record: 0-3 | new rating: 1698 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1727 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 54 | Yao, Chris (1520) | Won 2-1 | +151742 |
| 5standard | 102 | Yoshimura, Genki (1519) | Won 2-0 | +141756 |
| 6standard | 54 | Cortese, Alessandro (1533) | Lost 0-2 | -221734 |
| 7standard | 146 | Taniguchi, Hiroaki (1735) | Won 2-1 | +181752 |
| 8standard | 44 | Matsubara, Tohru (1568) | Won 2-0 | +141766 |
| 9standard | 18 | Kagami, Gen (1694) | Lost 1-2 | -191747 |
| 10standard | 60 | Yamagami, Yudai (1666) | Lost 1-2 | -191728 |
| 11standard | 94 | Kurokawa, Yuusuke (1578) | Won 2-0 | +151743 |
| 12standard | 66 | Ushijima, Masaki (1829) | Won 2-0 | +201763 |
| 13standard | 55 | Katsubayashi, Nobuhisa (1667) | Won 0-0 | +161779 |
| 14standard | 39 | Chiba, Akio (1988) | Lost 0-2 | -141765 |
| 15standard | 37 | Yang, Ting Hui (1622) | Lost 1-2 | -211744 |
| 16standard | 51 | Kimura, Kazuki (1733) | Won 2-1 | +181762 |
| top | average opponent: 1666record: 8-5 | new rating: 1762 | ||
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1681 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 114 | Barron, Alex V (1516) | Won 2-1 | +151696 |
| 4standard | 25 | Zainuddin, Zulkarnain (1509) | Won 2-0 | +141710 |
| 5standard | 22 | David, Herbert (1558) | Won 2-1 | +161726 |
| 6standard | 8 | Tan, Richmond (1592) | Lost 1-2 | -211705 |
| 7standard | 49 | Mendoza, Paul (1626) | Won 2-1 | +171722 |
| 8standard | 30 | Pangan, Jayson (1596) | Draw 1-1 | -21720 |
| 9standard | 29 | Cantillana, Andrew (1750) | Won 2-0 | +181738 |
| 10standard | 14 | Bausa, Patrick A (1614) | Lost 0-2 | -201718 |
| 11standard | 34 | Abella, Reynald (1663) | Lost 0-2 | -191699 |
| 12standard | 52 | Cirujales, Earl (1626) | Won 2-1 | +161715 |
| 13standard | 34 | Manalo, Aristotle (1592) | Lost 0-2 | -201695 |
| 14standard | 44 | Pangasinan, Jay (1604) | Won 2-1 | +171712 |
| 15standard | 36 | Valenzuela, Ephraim (1594) | Won 2-0 | +151727 |
| top | average opponent: 1603record: 8-4-1 | new rating: 1727 | ||
| Grand Prix Kuala Lumpur 2012 (DKA standard) | starting rating: 1693 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 72 | Lu, Liguo (1620) | Lost 0-2 | -191674 |
| 5standard | 105 | Ng, Vincent (1590) | Lost 1-2 | -201654 |
| 6standard | 122 | Triphonratana, Boonyarit (1424) | Lost 1-2 | -221632 |
| 7standard | 167 | Layfield, JJ (1496) | Won 2-0 | +151647 |
| 8standard | 113 | Lee, Benedict (1505) | Won 2-0 | +161663 |
| 9standard | 104 | Gonzalez, Marco G (1660) | Won 2-1 | +181681 |
| top | average opponent: 1549record: 3-3 | new rating: 1681 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1703 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 49 | Suzuki, Masatsuna (1673) | Lost 1-2 | -181685 |
| 5sealed | 141 | Ishigaki, Ryousuke (1552) | Lost 1-2 | -211664 |
| 6sealed | 225 | Nakada, Naoki (1769) | Won 2-0 | +201684 |
| 7sealed | 203 | Miyasita, Naoyuki (1503) | Won 2-1 | +151699 |
| 8sealed | 127 | Satake, Yukihiro (1505) | Lost 1-2 | -221677 |
| 9sealed | 140 | Kawanobe, Tomoaki (1532) | Won 2-0 | +161693 |
| top | average opponent: 1589record: 3-3 | new rating: 1693 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 138 | Yusuke N., (1500) | Won 2-0 | +171570 |
| 3standard | 15 | Yamamoto, Kentaro (1816) | Lost 0-2 | -141556 |
| 4standard | 136 | Takano, Kouhei (1517) | Won 2-1 | +181574 |
| 5standard | 142 | Higashimura, Kazuya (1436) | Won 2-0 | +151589 |
| 6standard | 50 | Anan, Kazuyoshi (1493) | Won 2-1 | +171606 |
| 7standard | 51 | Senba, Kotaro (1651) | Won 2-0 | +181624 |
| 8standard | 29 | Omori, Ken'ichirou (1675) | Won 2-0 | +191643 |
| 9standard | 18 | Naitou, Takashi (1613) | Won 2-1 | +181661 |
| 10standard | 3 | Sunaga, Masahiro (1635) | Won 2-1 | +171678 |
| 11standard | 4 | Morofuji, Takuma (1751) | Won 2-0 | +201698 |
| 12standard | 5 | Asahara, Akira (1974) | Lost 1-2 | -141684 |
| 13standard | 9 | Hiraga, Masahiro (1536) | Won 2-0 | +161700 |
| 14standard | 7 | Satou, Rin (1738) | Lost 1-2 | -181682 |
| 15standard | 10 | Ikawa, Yoshihiko (1838) | Won 2-1 | +211703 |
| top | average opponent: 1655record: 11-3 | new rating: 1703 | ||
| Grand Prix Taipei 2005 (Kamigawa block) | starting rating: 1569 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 25 | Murakami, Yuuki (Miyagi) (1721) | Lost 0-2 | -151554 |
| 3block | 41 | Yoo, Ki-hyun (1510) | Won 2-0 | +171571 |
| 4block | 78 | Wu, Jia Lin (1517) | Won 2-0 | +171588 |
| 5block | 33 | Hsieh, Xiao Zen (1469) | Lost 0-2 | -201568 |
| 6block | 75 | Law, Albertus Hui Chin (1760) | Lost 1-2 | -151553 |
| top | average opponent: 1595record: 2-3 | new rating: 1553 | ||
| Grand Prix Singapore 2005 (extended) | starting rating: 1646 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 31 | Ong, Kok Seng (1702) | Lost 0-2 | -171629 |
| 5extended | 66 | Huang, Wen-Liang (1482) | Lost 0-2 | -211608 |
| 6extended | 97 | Chia, Bing Hong (1515) | Lost 0-2 | -201588 |
| 7extended | 100 | Pong, Robin Hee Tee (1509) | Lost 1-2 | -191569 |
| top | average opponent: 1552record: 0-4 | new rating: 1569 | ||
| Grand Prix Taipei 2002 (JUD standard) | starting rating: 1600 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 23 | Sun, Lucifar (1497) | Won 2-0 | +161616 |
| 4standard | 3 | Weng, Yi-Hua (1500) | Lost 1-2 | -201596 |
| 5standard | 31 | Mori, Katsuhiro (1898) | Won 2-1 | +231619 |
| 6standard | 12 | Li, Partick (1556) | Won 2-0 | +171636 |
| 7standard | 7 | Huang, Alex (1572) | Won 2-1 | +171653 |
| 8standard | 7 | Tsai, Homg-Gi (1543) | Won 2-0 | +161669 |
| 9standard | 4 | Chiang, Kang Nien (1683) | Lost 1-2 | -181651 |
| 10standard | 7 | Ho, Jong-Yi (1589) | Won 2-0 | +171668 |
| 11standard | 5 | Wang, Joe Yi Xiang (1610) | Lost 1-2 | -191649 |
| 12standard | 10 | Liu, Marco Kwang-Ju (1551) | Lost 0-2 | -201629 |
| 13standard | 13 | Yang, Fu Yun (1542) | Won 2-0 | +171646 |
| top | average opponent: 1595record: 7-4 | new rating: 1646 | ||
| 2001 World Championship (mixed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 25 | Opalka, Jason (1607) | Lost 0-2 | -161484 |
| 2standard | 141 | Ekebom, Erno (1741) | Won 2-1 | +231507 |
| 3standard | 107 | Villanova, Guzman (1504) | Won 2-1 | +171524 |
| 4standard | 36 | Nishioka, Andrew (1652) | Won 2-0 | +211545 |
| 5standard | 36 | Joebstl, Markus (1885) | Lost 0-2 | -121533 |
| 6standard | 63 | Lau, Sam Lei Kang (1629) | Won 2-0 | +201553 |
| 7rochester | 98 | Weber, Joe (1649) | Won 2-0 | +191572 |
| 8rochester | 39 | Jensen, Niels Sanders (1770) | Lost 0-2 | -141558 |
| 9rochester | 49 | Ranque, Wilfried (1778) | Won 2-0 | +221580 |
| 10rochester | 105 | Hegstad, Brian (1782) | Lost 0-2 | -151565 |
| 11rochester | 121 | Matsuo, Goro (1565) | Lost 1-2 | -181547 |
| 12rochester | 51 | Ostrovich, Diego (1599) | Lost 1-2 | -171530 |
| 13extended | 73 | O'Mahoney-Schwartz, Steven (1763) | Lost 1-2 | -131517 |
| 14extended | 84 | Delvaux, Charles (1470) | Won 2-0 | +171534 |
| 15extended | 67 | Ruel, Olivier (1740) | Won 2-0 | +211555 |
| 16extended | 65 | Kibler, Brian (1769) | Won 2-0 | +221577 |
| 17extended | 45 | Cunningham, Jeff (1763) | Draw 1-1 | +41581 |
| 18extended | 45 | Lau, Sam Lei Kang (1645) | Won 2-1 | +191600 |
| top | average opponent: 1684record: 10-7-1 | new rating: 1600 | ||