An, Youcheng
Current rating: 1766 (#3222)
Record: 54-40-3 (GP) / 6-10 (professional)
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1811 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 95 | Zhao, Yuan (1556) | Lost 0-2 | -221789 |
| 2standard | 280 | Su, Shin-Kai (1480) | Won 2-0 | +121801 |
| 3standard | 443 | Teoh, Alexander (1467) | Won 2-1 | +121813 |
| 4standard | 301 | Miyagishi, Kohei (1561) | Lost 0-2 | -221791 |
| 5standard | 387 | Furusato, Hiroshi (1408) | Lost 1-2 | -251766 |
| top | average opponent: 1494record: 2-3 | new rating: 1766 | ||
| Grand Prix Beijing 2018 (DOM limited) | starting rating: 1691 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 74 | Shen, Shiyang (1523) | Won 2-0 | +151706 |
| 3sealed | 66 | Ellis, Alexander (1548) | Won 2-0 | +151721 |
| 4sealed | 14 | Lim, Zhong Yi (2098) | Won 2-0 | +241745 |
| 5sealed | 37 | Wong, Ling Wai (1674) | Won 2-1 | +171762 |
| 6sealed | 4 | Tsutsui, Yuki (1768) | Lost 1-2 | -181744 |
| 7sealed | 16 | Liang, Xiaohu (1595) | Won 2-0 | +161760 |
| 8sealed | 26 | Lee, Shi Tian (2047) | Won 2-1 | +231783 |
| 9sealed | 21 | Mao, Dun (1789) | Lost 0-2 | -181765 |
| 10draft | 5 | Liu, Yuchen (2181) | Won 2-0 | +251790 |
| 11draft | 27 | Kumagai, Riku (1902) | Lost 1-2 | -161774 |
| 12draft | 24 | Tsutsui, Yuki (1771) | Won 2-0 | +181792 |
| 13draft | 25 | Ikawa, Yoshihiko (1992) | Won 2-0 | +221814 |
| 14draft | 56 | Wu, Xuan (1756) | Lost 1-2 | -201794 |
| 15draft | 55 | He, Yue 8578 (1733) | Won 2-1 | +171811 |
| top | average opponent: 1813record: 10-4 | new rating: 1811 | ||
| Pro Tour Rivals of Ixalan (modern) | starting rating: 1752 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 68 | Blake, Shane (1471) | Won 2-1 | +131765 |
| 2draft | 116 | Chew, Kelvin (2221) | Won 2-0 | +251790 |
| 3draft | 114 | Thompson, Gerry (1899) | Won 2-1 | +201810 |
| 4modern | 13 | Duke, Reid (2265) | Lost 1-2 | -101800 |
| 5modern | 71 | Dagen, Pierre (1981) | Lost 0-2 | -151785 |
| 6modern | 96 | Rodriguez, Matias (1627) | Lost 1-2 | -211764 |
| 7modern | 105 | Kountouris, Ioannis (1657) | Won 2-0 | +171781 |
| 8modern | 83 | Jacobson, Mark (2008) | Lost 1-2 | -141767 |
| 9draft | 124 | Lehnert, Heiko (1790) | Won 2-0 | +181785 |
| 10draft | 128 | Krieger, Philipp (1783) | Lost 1-2 | -181767 |
| 11draft | 23 | Nielsen, Simon (1976) | Lost 0-2 | -141753 |
| 12modern | 112 | Gaspar Goncalves, Rafael (1514) | Lost 1-2 | -231730 |
| 13modern | 129 | Kerem, Hannes (1829) | Lost 1-2 | -161714 |
| 14modern | 138 | Faustino, Javier (1556) | Won 2-1 | +151729 |
| 15modern | 125 | Steffe, Sebastian (1800) | Lost 1-2 | -161713 |
| 16modern | 119 | Bishop, Zacharia (1497) | Lost 1-2 | -221691 |
| top | average opponent: 1805record: 6-10 | new rating: 1691 | ||
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1616 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 146 | Bergeron, Shawn (1518) | Won 2-1 | +161632 |
| 3sealed | 226 | Prychitka, Aaron (1500) | Draw 1-1 | -21630 |
| 4sealed | 153 | Earnshaw, Michael (1616) | Lost 1-2 | -181612 |
| 5sealed | 289 | Li, Terrence (1506) | Won 2-1 | +161628 |
| 6sealed | 185 | Carey, Max (1423) | Won 2-0 | +141642 |
| 7sealed | 107 | Wu, Gavin (1681) | Won 2-0 | +191661 |
| 8sealed | 65 | Handsaker, Kaitlyn (1592) | Won 2-0 | +171678 |
| 9sealed | 37 | Stewart, Ryan (1590) | Won 2-1 | +161694 |
| 10draft | 92 | Yang, Zizhuang (1660) | Won 2-0 | +171711 |
| 11draft | 114 | Tumavitch, Matt (2006) | Lost 0-2 | -121699 |
| 12draft | 110 | Whipple, Ethan (1591) | Won 2-0 | +161715 |
| 13draft | 45 | Machado, Fernando (1690) | Won 2-1 | +171732 |
| 14draft | 37 | Thurman, Matt (1600) | Won 2-1 | +161748 |
| 15draft | 34 | Ross-Latour, Jeremie (1851) | Won 2-1 | +201768 |
| Qdraft | Sun, Allen (1870) | Lost 1-2 | -161752 | |
| top | average opponent: 1646record: 11-3-1 | new rating: 1752 | ||
| Grand Prix Beijing 2017 (AKH limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 219 | Kamo, Riki (1720) | Lost 0-2 | -131448 |
| 4sealed | 169 | Wang, Zheng 2068 (1498) | Lost 0-2 | -171431 |
| 5sealed | 340 | Tabata, Yuusuke (1486) | Lost 1-2 | -171414 |
| 6sealed | 348 | Liu, Alex [CHN] (1383) | Won 2-0 | +171431 |
| 7sealed | 262 | Takagi, Takeshi (1656) | Won 2-0 | +221453 |
| 8sealed | 223 | Zhang, Suqi (1576) | Won 2-1 | +201473 |
| 9sealed | 145 | Wojtanek, Pawel (1510) | Won 2-0 | +191492 |
| 10draft | 36 | Liu, Xinchang (1572) | Won 2-0 | +201512 |
| 11draft | 36 | Sun, Su (1589) | Won 2-1 | +191531 |
| 12draft | 36 | Qian, Yu (1763) | Won 2-1 | +221553 |
| 13draft | 143 | Li, Xiang 6648 (1718) | Won 2-1 | +211574 |
| 14draft | 12 | Zhou, Zhengyang (1629) | Won 2-1 | +191593 |
| 15draft | 124 | Brown, Eric (1882) | Won 2-0 | +231616 |
| top | average opponent: 1614record: 10-3 | new rating: 1616 | ||
| Grand Prix Beijing 2016 (SOI limited) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 51 | Tanaka, Akira (1762) | Won 2-0 | +241445 |
| 4sealed | 47 | Zhou, Jiacheng (1502) | Won 1-0 | +191464 |
| 5sealed | 57 | Mihara, Makihito (2025) | Lost 1-2 | -81456 |
| 6sealed | 119 | Qi, Jiazhen (1492) | Lost 1-2 | -181438 |
| 7sealed | 150 | Bu, Yi (1524) | Won 2-0 | +201458 |
| 8sealed | 70 | Zhao, Rong (1615) | Won 2-1 | +211479 |
| 9sealed | 72 | Ru, Yi (1576) | Lost 0-2 | -161463 |
| 10draft | 110 | Xu, Xu Chen (1532) | Won 2-1 | +191482 |
| 11draft | 139 | Qian, Zhengrui (1559) | Lost 0-2 | -171465 |
| 12draft | 106 | Wu, Songwei (1808) | Won 2-1 | +241489 |
| 13draft | 134 | Nitsu, Shunsuke (1754) | Lost 0-2 | -131476 |
| 14draft | 16 | Zhao, Jinhui (1655) | Lost 0-2 | -151461 |
| top | average opponent: 1650record: 6-6 | new rating: 1461 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 450 | Hishida, Tomoya (1392) | Won 2-0 | +151525 |
| 2sealed | 492 | Takasugi, Tomoki (1548) | Won 2-1 | +191544 |
| 3sealed | 484 | Hitomi, Masaaki (1812) | Lost 1-2 | -131531 |
| 4sealed | 348 | Li, Sean (1583) | Lost 0-2 | -171514 |
| 5sealed | 697 | Yamakawa, Akihiro (1434) | Lost 0-2 | -201494 |
| 6sealed | 800 | Kuroda, Yoshirou (1453) | Lost 0-2 | -191475 |
| 7sealed | 891 | Matsushima, Yuki (1529) | Lost 1-2 | -171458 |
| 8sealed | 817 | Kajitani, Akinobu (1504) | Lost 1-2 | -171441 |
| 9sealed | 707 | Ikebata, Yusuke (1342) | Lost 0-2 | -201421 |
| top | average opponent: 1511record: 2-7 | new rating: 1421 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 170 | Matsushima, Kouji (1574) | Draw 1-1 | +21467 |
| 4modern | 137 | Horiuchi, Taisuke (1489) | Won 2-0 | +181485 |
| 5modern | 80 | Aoyama, Katsuhiko (1544) | Lost 1-2 | -171468 |
| 6modern | 186 | Uchida, Yuki (1518) | Lost 0-2 | -171451 |
| 7modern | 282 | Endo, Takuya6807 (1484) | Won 2-0 | +191470 |
| 8modern | 205 | Ohno, Isao (1617) | Won 2-0 | +201490 |
| 9modern | 154 | Asano, Kohei (1558) | Won 2-1 | +201510 |
| top | average opponent: 1541record: 4-2-1 | new rating: 1510 | ||
| Grand Prix Beijing 2013 (DGM limited) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 93 | zhao, penghui (1554) | Won 2-0 | +201494 |
| 5sealed | 24 | Park, Jun Young (1784) | Won 2-0 | +231517 |
| 6sealed | 7 | Li, Xiaodong (1507) | Lost 1-2 | -191498 |
| 7sealed | 39 | liu, xing (1576) | Lost 0-2 | -161482 |
| 8sealed | 89 | Li, Shuo (1522) | Lost 1-2 | -171465 |
| top | average opponent: 1588record: 2-3 | new rating: 1465 | ||
| Grand Prix Shanghai 2012 (M13 limited) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 49 | Wang, Guan (1498) | Lost 0-2 | -181491 |
| 4sealed | 229 | Liu, Nan (1528) | Lost 1-2 | -181473 |
| 5sealed | 187 | Zhang, Yunhao (1505) | Won 2-0 | +191492 |
| 6sealed | 178 | Wong, Wei Quan (1500) | Lost 1-2 | -181474 |
| top | average opponent: 1508record: 1-3 | new rating: 1474 | ||
| Grand Prix Kuala Lumpur 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 88 | Ong, Boon Kiat (1522) | Lost 1-2 | -181482 |
| 5standard | 92 | Lau, Wilfred (1554) | Won 2-0 | +191501 |
| 6standard | 64 | Harnden, Simon (1755) | Lost 1-2 | -131488 |
| 7standard | 80 | Cardenas, Jose Gabriel (1489) | Lost 0-2 | -181470 |
| 8standard | 135 | Natasubrata, Kresna (1578) | Won 2-1 | +201490 |
| 9standard | 79 | Lee, Horace (1550) | Won 2-0 | +191509 |
| top | average opponent: 1575record: 3-3 | new rating: 1509 | ||
| Grand Prix Beijing 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 43 | Liu, Chao (1500) | Draw 1-1 | 01500 |
| 2extended | 27 | Lai, Vilson (1500) | Won 2-0 | +181518 |
| 3extended | 18 | Yuen, Lionel Weng Foong (1491) | Lost 0-2 | -181500 |
| 4extended | 59 | Zheng, Wei (1500) | Lost 1-2 | -181482 |
| 5extended | 67 | Yu, Chao (1482) | Won 2-0 | +181500 |
| 6extended | 57 | Deng, Yihui (1500) | Lost 0-2 | -181482 |
| 7extended | 62 | Yan, Shuai (1482) | Won 2-0 | +181500 |
| top | average opponent: 1493record: 3-3-1 | new rating: 1500 | ||