Wei, Guowei
Current rating: 1422
Record: 45-50-2
Grand Prix Shanghai 2011Grand Prix Shanghai 2012Grand Prix Beijing 2013Grand Prix Hong Kong 2013Grand Prix Beijing 2014Grand Prix Shanghai 2014Grand Prix Shanghai 2015Grand Prix Hong Kong 2015Grand Prix Beijing 2016Grand Prix Hong Kong 2017Grand Prix Shanghai 2017Grand Prix Beijing 2018Grand Prix Singapore 2018Grand Prix Bangkok 2019Regional Championships Shanghai 2023
| Regional Championships Shanghai 2023 (pioneer) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 76 | Wu, Bilun (1549) | Lost 0-2 | -161430 |
| 2pioneer | 65 | Li, Kesong (1615) | Lost 0-2 | -141416 |
| 3pioneer | 86 | Zheng, Xin (1446) | Won 2-0 | +181434 |
| 4pioneer | 74 | Song, Yuxing (1501) | Won 2-1 | +191453 |
| 5pioneer | 62 | Wei, Chengyi (1695) | Lost 1-2 | -131440 |
| 6pioneer | 55 | Yang, Yijiang (1442) | Lost 1-2 | -181422 |
| top | average opponent: 1541record: 2-4 | new rating: 1422 | ||
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 16 | Santiago, Ram (1419) | Won 2-0 | +181463 |
| 2sealed | 159 | Fauzi, Faisal (1564) | Lost 1-2 | -171446 |
| top | average opponent: 1491record: 1-1 | new rating: 1446 | ||
| Grand Prix Singapore 2018 (DOM standard) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 64 | Teoh, Alexander (1427) | Won 2-0 | +171504 |
| 3standard | 18 | Fujii, Hajime (1495) | Lost 1-2 | -181486 |
| 4standard | 113 | Kiwanont, Sukhum (1772) | Lost 0-2 | -131473 |
| 5standard | 199 | Lin, Ruizi (1922) | Lost 1-2 | -111462 |
| 6standard | 253 | Sato, Yusuke (1502) | Lost 0-2 | -171445 |
| top | average opponent: 1624record: 1-4 | new rating: 1445 | ||
| Grand Prix Beijing 2018 (DOM limited) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 75 | Tu, Cheng (1533) | Lost 1-2 | -191558 |
| 4sealed | 222 | Liu, Xiao 5808 (1521) | Lost 1-2 | -191539 |
| 5sealed | 127 | Song, Yihuan (1596) | Lost 0-2 | -171522 |
| 6sealed | 270 | Ren, Mingjun (1673) | Lost 1-2 | -151507 |
| 7sealed | 307 | Liang, Xushuang (1379) | Lost 1-2 | -201487 |
| top | average opponent: 1540record: 0-5 | new rating: 1487 | ||
| Grand Prix Shanghai 2017 (XLN standard) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 205 | Li, Rong (1494) | Lost 0-2 | -191540 |
| 2standard | 188 | Luo, Hao (1482) | Lost 0-2 | -191521 |
| 3standard | 322 | Zhang, Dianru (1445) | Won 2-1 | +161537 |
| 4standard | 239 | Chen, Minwei (1417) | Won 2-0 | +161553 |
| 5standard | 168 | Huang, Guopeng (1575) | Won 2-0 | +191572 |
| 6standard | 162 | Liu, Jian (1663) | Won 2-1 | +191591 |
| 7standard | 69 | Yin, Xin (1807) | Lost 0-2 | -141577 |
| 8standard | 175 | Li, Peng (1485) | Won 2-1 | +171594 |
| 9standard | 91 | Choi, Jae-Joon (1672) | Lost 0-2 | -171577 |
| top | average opponent: 1560record: 5-4 | new rating: 1577 | ||
| Grand Prix Hong Kong 2017 (XLN limited) | starting rating: 1585 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 31 | Mimasu, Kei (1537) | Lost 1-2 | -191566 |
| 2sealed | 155 | Takayama, Kiichiro (1452) | Lost 0-2 | -201546 |
| 3sealed | 321 | Chan, Tsan (1465) | Won 2-1 | +161562 |
| 4sealed | 320 | Ng, Meng Cheong (1687) | Lost 0-2 | -161546 |
| 5sealed | 299 | Brent, Sammy (1601) | Won 2-1 | +191565 |
| 6sealed | 269 | Lam, Wai (1318) | Won 2-0 | +141579 |
| 7sealed | 231 | Lee, Kin Suen (1476) | Lost 1-2 | -201559 |
| top | average opponent: 1505record: 3-4 | new rating: 1559 | ||
| Grand Prix Beijing 2016 (SOI limited) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 135 | Mu, Liuming (1663) | Lost 0-2 | -161536 |
| 2sealed | 283 | Liang, Ke (1551) | Lost 1-2 | -181518 |
| 3sealed | 455 | Li, Jian (1447) | Draw 1-1 | -11517 |
| 4sealed | 465 | Chen, Zhe (1467) | Won 2-0 | +171534 |
| 5sealed | 388 | Shang, Cheng Yan (1474) | Won 2-1 | +171551 |
| 6sealed | 315 | Ni, Nong (1493) | Won 2-0 | +171568 |
| 7sealed | 247 | Zhao, Jian (1567) | Won 2-1 | +181586 |
| 8sealed | 157 | Li, Hanqianq (1539) | Won 2-0 | +171603 |
| 9sealed | 102 | Xiao, Rong (1580) | Lost 1-2 | -181585 |
| top | average opponent: 1531record: 5-3-1 | new rating: 1585 | ||
| Grand Prix Hong Kong 2015 (ORI limited) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 184 | Jiang, Yunfei (1583) | Lost 1-2 | -181538 |
| 2sealed | 180 | Alvarez, Paolo Lorenzo (1482) | Won 2-0 | +171555 |
| 3sealed | 301 | Hong, Sophie (1483) | Won 2-1 | +171572 |
| 4sealed | 204 | Theerachotsupakul, Phuwadach (1440) | Won 2-1 | +151587 |
| 5sealed | 145 | Fujimura, Kazuaki (1809) | Lost 0-2 | -141573 |
| 6sealed | 199 | Renner, Mark (1527) | Lost 0-2 | -191554 |
| 7sealed | 253 | Poh, Solomon (1470) | Won 2-0 | +171571 |
| 8sealed | 141 | Zheng, Peiyuan (1515) | Lost 0-2 | -191552 |
| top | average opponent: 1538record: 4-4 | new rating: 1552 | ||
| Grand Prix Shanghai 2015 (DTK standard) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 48 | Wu, Jerry (1518) | Won 0-0 | +181566 |
| 3standard | 120 | Singh, Devsharan (1608) | Won 2-0 | +181584 |
| 4standard | 67 | Wang, Zhuoyang (1643) | Lost 0-2 | -161568 |
| 5standard | 101 | Wang, Kunrui (1616) | Won 2-1 | +181586 |
| 6standard | 119 | Tsujimoto, Hideki (1706) | Won 2-1 | +211607 |
| 7standard | 63 | Luo, Ryan (1778) | Lost 1-2 | -151592 |
| 8standard | 88 | Yang, Bo Xuan (1571) | Lost 0-2 | -191573 |
| 9standard | 127 | Li, He (1586) | Lost 1-2 | -171556 |
| top | average opponent: 1628record: 4-4 | new rating: 1556 | ||
| Grand Prix Shanghai 2014 (KTK limited) | starting rating: 1611 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 190 | Zhang, Zhichao (1465) | Lost 0-2 | -211590 |
| 3sealed | 309 | Wang, Hao (1361) | Lost 1-2 | -221568 |
| 4sealed | 457 | Zhang, Lijin (1480) | Lost 1-2 | -201548 |
| top | average opponent: 1436record: 0-3 | new rating: 1548 | ||
| Grand Prix Beijing 2014 (BNG standard) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 327 | Liu, Bin (1464) | Won 2-1 | +161578 |
| 2standard | 120 | Kua, Chun Huat (1623) | Lost 0-2 | -171561 |
| 3standard | 418 | Zheng, Min Dong (1500) | Won 2-1 | +171578 |
| 4standard | 276 | Song, Shihan (1499) | Won 2-0 | +161594 |
| 5standard | 187 | Song, Xiangxue (1700) | Won 2-0 | +201614 |
| 6standard | 103 | Pan, Yizhe (1675) | Won 2-1 | +201634 |
| 7standard | 59 | Mao, Dun (1540) | Won 2-0 | +161650 |
| 8standard | 27 | Wan, Nuo (1578) | Lost 1-2 | -201630 |
| 9standard | 69 | Gao, Yuan (1523) | Lost 1-2 | -191611 |
| top | average opponent: 1567record: 6-3 | new rating: 1611 | ||
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 106 | Chang, Ching Ti (1419) | Lost 0-2 | -201485 |
| 3sealed | 269 | Sheykin, Sergey (1394) | Draw 1-1 | -21483 |
| 4sealed | 309 | Wen, Li Hua (1482) | Won 2-1 | +181501 |
| 5sealed | 226 | Cho, Sang ho (1498) | Won 2-1 | +181519 |
| 6sealed | 141 | Luo, Xingbin (1591) | Lost 1-2 | -161503 |
| 7sealed | 219 | Lau Sam, Jia Jie (1518) | Won 2-0 | +181521 |
| 8sealed | 148 | Pelcak, John (1739) | Won 2-0 | +221543 |
| 9sealed | 107 | Tong, Eugene (1606) | Won 2-1 | +191562 |
| top | average opponent: 1531record: 5-2-1 | new rating: 1562 | ||
| Grand Prix Beijing 2013 (DGM limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 338 | Lu, Yanyuzhuo (1500) | Won 2-1 | +181500 |
| 2sealed | 160 | Yoon, Je Yeon (1500) | Lost 0-2 | -181482 |
| 3sealed | 233 | Wang, Pei (1502) | Lost 1-2 | -171465 |
| 4sealed | 282 | Zhao, Yubo (1499) | Lost 1-2 | -181447 |
| 5sealed | 346 | Chen, Bai Ziyu (1468) | Won 2-0 | +191466 |
| 6sealed | 290 | Zheng, Yi (1481) | Won 2-1 | +181484 |
| 7sealed | 202 | Song, Yao (1500) | Lost 0-2 | -181466 |
| 8sealed | 241 | Li, Zhe (1589) | Won 2-0 | +201486 |
| 9sealed | 175 | Yuan, Jinxu (1499) | Won 2-0 | +191505 |
| top | average opponent: 1504record: 5-4 | new rating: 1505 | ||
| Grand Prix Shanghai 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 91 | Wang, Chuntao (1500) | Won 2-0 | +181518 |
| 2sealed | 120 | Liu, Xu (1517) | Lost 0-2 | -181500 |
| 3sealed | 284 | Li, Yimin (1500) | Lost 0-2 | -181482 |
| 4sealed | 257 | Shi, Guodong (1482) | Won 2-0 | +181500 |
| 5sealed | 242 | Ho, Nelson (1494) | Lost 1-2 | -181482 |
| top | average opponent: 1499record: 2-3 | new rating: 1482 | ||
| Grand Prix Shanghai 2011 (M12 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 106 | San, Xing (1500) | Lost 0-2 | -181482 |
| 2sealed | 191 | Niu, XiuYuan (1482) | Won 2-1 | +181500 |
| 3sealed | 151 | Lai, Chi Hang (1500) | Lost 0-2 | -181482 |
| 4sealed | 260 | Liu, Yizhong (1482) | Won 2-1 | +181500 |
| top | average opponent: 1491record: 2-2 | new rating: 1500 | ||