compiled from OIerDb using Devin.AI
75 contestants: the members with an OIerDb record of the 30 top teams of the CHN team index (by GeoMeanRank), sorted by family name
(? marks a likely match, where the handle gave only pinyin or namesakes were told apart by cohort and school).
Hover a name for the Chinese name; a row reached from the team index is shown in yellow and its teammates in orange; (IOI year) links an IOI participant to their page on stats.ioinformatics.org;
team label links to the team index; school is the high school of the latest record, linked to its Wikipedia article (Chinese Wikipedia where no English article exists; hover for the Chinese name).
Each cell gives score / #rank, the OIerDb national rank in that contest, newest year first, 2020–2025 (a NOIP rank of #1 is shared by every full score; NOIP = senior division;
APIO variants are tagged: online round, China division). Hover a cell for the award.
| Contestant | Team | High school | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOI | NOIP | APIO | NOI | NOIP | APIO | NOI | NOIP | APIO | NOI | NOIP | APIO | NOI | NOIP | APIO | NOI | NOIP | APIO | |||
| Jianian Chen | CUHKSZ7 | Shaoxing No. 1 High School | 360 / #240 | 296 / #296 | 200 / #187 | 275 / #550 | 77 / #131 online | 235 / #172 | 135.36 / #121 | |||||||||||
| Mingkai Chen | ZJU9 | Hangzhou No. 2 High School | 400 / #1 | 235 / #75 | 315 / #318 | 162 / #21 online | 151.36 / #60 online | |||||||||||||
| Nuo Chen | THU15 | Hangzhou Xuejun High School (Wenyuan campus) | 581 / #8 | 384 / #72 | 300 / #1 | 400 / #1 | 206 / #58 | 308 / #39 | 173.37 / #26 online | 56 / #254 | 127 / #191 | |||||||||
| Xulei Chen | THU26 | Fuzhou No. 1 High School | 563 / #56 | 371 / #26 | 144 / #140 | 549 / #37 | 400 / #1 | 205 / #108 | 400 / #1 | 238 / #28 | 181 / #20 online | |||||||||
| Zhezhang Chen | PKU13 | Shimen High School, Foshan | 574 / #13 | 400 / #1 | 151 / #145 | 235 / #172 | ||||||||||||||
| Ziyang Chen? | THU20 | Yali Academy High School, Changsha | 388 / #144 | 82 / #147 | 215 / #354 | 134 / #178 | ||||||||||||||
| Siyuan Cheng (IOI 2023) | THU14 | Nanjing Foreign Language School | 595 / #5 | 512 / #3 | 400 / #1 | 260 / #1 | 400 / #1 | |||||||||||||
| Xuanyu Chu? | THU20 | Yali High School, Changsha | 386 / #69 | 324 / #60 | 42 / #343 | 169 / #883 | ||||||||||||||
| Ruijia Dong | SYSU8 | Guangzhou Tieyi High School | 516 / #72 | 300 / #1 | 400 / #1 | 225 / #210 | ||||||||||||||
| Sizhe Fan (IOI 2025) | PKU26 | Hailiang Senior High School, Zhuji | 630 / #5 | 564 / #21 | 400 / #1 | 240 / #57 | 370 / #115 | 201 / #69 | 131.2 / #136 | |||||||||||
| Xintong Fang | PKU7 | Quzhou No. 2 High School | 589 / #5 | 400 / #1 | 300 / #1 | 504 / #57 | 400 / #1 | 283 / #64 | 113 / #228 | |||||||||||
| Zhengwei Feng | THU29 | Bashu Secondary School, Chongqing | 563 / #16 | 365 / #103 | 296 / #148 | |||||||||||||||
| Yongqiao Gong | PKU19 | Changsha No. 1 High School | 616 / #16 | 230 / #446 | 224 / #23 | 464 / #129 | 380 / #74 | 210 / #87 | 400 / #1 | |||||||||||
| Jingyu Gou | PKU24 | Chongqing Nankai Secondary School | 549 / #37 | 205 / #108 | 325 / #280 | |||||||||||||||
| Mile Guo | THU11 | Chongqing No. 1 Secondary School | 400 / #1 | |||||||||||||||||
| Yuhao Guo | THU17 | Bashu Secondary School, Chongqing | 495 / #5 | 500 / #46 | 400 / #1 | 227 / #254 | 148 / #149 | |||||||||||||
| Fanyou He | PKU26 | Chengdu Foreign Languages School | 570 / #18 | 400 / #1 | 400 / #1 | 204 / #67 | ||||||||||||||
| Hao Hu? | THU20 | Yali High School, Changsha | 604 / #10 | 320 / #74 | 561 / #10 | 362 / #8 | 300 / #1 | |||||||||||||
| Jianheng Huang | PKU14 | Guangdong Experimental High School | 581 / #37 | 222 / #34 | 548 / #39 | 400 / #1 | 240 / #57 | 400 / #1 | ||||||||||||
| Chengyou Jiang | PKU7 | Nanjing Foreign Language School | 551 / #35 | 400 / #1 | 300 / #1 | 500 / #68 | 400 / #1 | 169 / #113 | 255 / #121 | |||||||||||
| Qihao Jin | PKU24 | Bashu Secondary School, Chongqing | 615 / #17 | 300 / #133 | 121 / #214 | 456 / #142 | 400 / #1 | 339 / #175 | ||||||||||||
| Zichun Kan | FDU9 | Beijing Fengtai No. 2 High School | 483 / #87 | 154.74 / #58 online | 300 / #127 | |||||||||||||||
| Yijing Ke | PKU18 | No. 2 High School of East China Normal University | 549 / #19 | 400 / #1 | 218 / #35 | 363 / #106 | 320 / #23 | 188.71 / #12 online | 344 / #12 | |||||||||||
| Yisi Ke | PKU18 | No. 2 High School of East China Normal University | 521 / #41 | 400 / #1 | 266 / #1 | 426 / #32 | 400 / #1 | 196 / #8 online | 232 / #469 | |||||||||||
| Derui Kong | SYSU8 | Guangzhou Tieyi High School | 532 / #54 | 240 / #57 | 335 / #191 | 277 / #69 | ||||||||||||||
| Yuxuan Lei | FDU7 | Suzhou High School of Jiangsu Province | 504 / #97 | 85 / #364 | 400 / #1 | 365 / #129 | 171 / #110 | 145.2 / #106 | 46 / #310 | |||||||||||
| Junyi Li | SJTU6 | Hengyang No. 8 High School | 205 / #281 | 128 / #1725 | ||||||||||||||||
| Ningyuan Li | THU11 | Experimental High School Attached to Beijing Normal University | 524 / #36 | 330 / #271 | 209 / #50 | 57 / #251 | ||||||||||||||
| Qingyang Li | THU26 | Experimental High School Attached to Beijing Normal University | 557 / #63 | 101 / #295 | 574 / #13 | 400 / #1 | 300 / #1 | 400 / #1 | 208 / #55 | 172.99 / #27 online | 46 / #310 | |||||||||
| Tiancheng Li | FDU3 | Affiliated High School of Anhui Normal University | 482 / #106 | 348 / #117 | 240 / #57 | 279 / #492 | 140 / #170 | 180 / #340 | ||||||||||||
| Haifeng Liu (IOI 2025) | THU15 | Zhongshan Memorial High School | 579 / #10 | 300 / #1 | 433 / #175 | 400 / #1 | 201 / #69 | 272 / #82 | 51 / #272 | |||||||||||
| Hengxi Liu (IOI 2025) | THU18 | Zhenhai High School, Ningbo | 650 / #1 | 376 / #14 | 610 / #3 | 400 / #1 | 300 / #1 | 400 / #1 | 266 / #1 | 154.96 / #90 | ||||||||||
| Hongqian Liu | PKU15 | High School Affiliated to Renmin University of China | 563 / #56 | 395 / #12 | 169 / #97 | 364 / #87 | 145 / #207 | |||||||||||||
| Jiawei Liu (IOI 2026) | PKU24 | Bashu Secondary School, Chongqing | 583 / #36 | 351 / #40 | 138 / #158 | 505 / #86 | 348 / #117 | 115 / #289 | 400 / #1 | |||||||||||
| Mingren Liu | SYSU8 | Shenzhen Yaohua Experimental School | 335 / #191 | 220 / #221 | 51 / #272 | |||||||||||||||
| Yuxiao Luo | SJTU6 | Qingdao No. 2 High School | 399 / #211 | 136 / #174 | 332 / #159 | 199 / #1387 | 89 / #114 online | |||||||||||||
| Zirui Pan | FDU3 | Zhongshan Memorial High School | 501 / #88 | 205 / #108 | 400 / #1 | 163 / #417 | 51 / #272 | |||||||||||||
| Yichen Peng | PKU15 | High School Affiliated to Renmin University of China | 620 / #11 | 345 / #55 | 224 / #23 | 400 / #1 | 145 / #207 | 144 / #32 online | ||||||||||||
| Langrui Qi (IOI 2023) | THU14 | Weihai Experimental High School | 546 / #1 | 400 / #1 | 189 / #32 | 256 / #304 | 89 / #332 | |||||||||||||
| Zixuan Qiu | THU18 | Nanjing No. 1 High School | 630 / #5 | 400 / #1 | 223 / #30 | 536 / #51 | 348 / #117 | 205 / #108 | 375 / #100 | 245 / #23 | 185.2 / #39 | 70 / #202 | ||||||||
| Baifeng Quan | PKU19 | Zhongshan Memorial High School | 591 / #30 | 325 / #82 | 154 / #121 | 495 / #97 | 348 / #117 | 175 / #204 | 335 / #191 | |||||||||||
| Sheyu Ren | THU17 | Xiamen Shuangshi High School | 439 / #16 | 187.36 / #35 | 324 / #60 | 95 / #125 | 259 / #131 | 46 / #531 | ||||||||||||
| Fulin Shen | FDU7 | Hailiang Senior High School, Zhuji | 332 / #159 | 205 / #108 | 336 / #182 | |||||||||||||||
| Mingyang Su | THU11 | Tsinghua University High School | 460 / #131 | 375 / #100 | 136 / #46 online | 60 / #231 | 67 / #409 | |||||||||||||
| Peixuan Sun? | PKU13 | Zhengzhou No. 1 High School | 557 / #30 | 364 / #87 | 115 / #289 | 484 / #86 | 291 / #428 | 153 / #497 | ||||||||||||
| Xingxun Tang | SJTU6 | Yali High School, Changsha | 220 / #221 | 132 / #1585 | ||||||||||||||||
| Feihong Wang | PKU19 | Nanjing Foreign Language School | 635 / #4 | 375 / #23 | 270 / #1 | 528 / #59 | 352 / #107 | 210 / #87 | 295 / #414 | |||||||||||
| Ruizao Wang | FDU9 | Jinling High School (Hexi campus), Nanjing | 456 / #140 | 300 / #371 | 200 / #82 | 320 / #23 | ||||||||||||||
| Zecheng Wang | CUHKSZ7 | Hangzhou Xuejun High School | 270 / #86 | 174 / #23 online | 332 / #33 | 49 / #289 | 66 / #419 | |||||||||||||
| Zhifang Wang | THU18 | Zhenhai Jiaochuan Academy, Ningbo | 529 / #57 | 272 / #405 | 240 / #57 | 501 / #65 | 400 / #1 | 215 / #36 | 308 / #39 | 106 / #255 | ||||||||||
| Jiaze Wei | THU14 | Nanjing Foreign Language School | 576 / #7 | 193 / #90 | 433 / #22 | 276 / #73 | 214 / #7 | 332 / #33 | ||||||||||||
| Zhonghao Wei? | THU25 | Affiliated High School of Fujian Normal University | 543 / #46 | 400 / #1 | 300 / #1 | 360 / #135 | 108 / #1096 | 91 / #185 online | ||||||||||||
| Chang Wu | THU29 | Beijing National Day School | 574 / #8 | 263 / #2 online | 430 / #28 | 304 / #112 | ||||||||||||||
| Lin Wu | PKU14 | Beijing National Day School | 645 / #2 | 400 / #1 | 167 / #100 | 560 / #26 | 400 / #1 | 300 / #1 | 375 / #100 | 169 / #113 | ||||||||||
| Daien Xiao | PKU26 | Changjun High School, Changsha | 375 / #23 | 565 / #19 | 400 / #1 | 300 / #1 | 400 / #1 | |||||||||||||
| Ziyao Xiao? | THU29 | Yali High School, Changsha | 538 / #25 | 212 / #4 online | 208 / #267 | 121.36 / #117 online | 280 / #200 | |||||||||||||
| Zihan Xie | PKU18 | Affiliated High School of Peking University | 538 / #25 | 360 / #109 | 242 / #421 | 78 / #363 | ||||||||||||||
| Ruiyang Xu | ZJU9 | Jinhua No. 1 High School | 256 / #117 | 204 / #709 | 45 / #334 | 195 / #540 | ||||||||||||||
| Sicheng Xu | PKU28 | Hangzhou No. 2 High School (Qianjiang campus) | 519 / #69 | 320 / #211 | 344 / #159 | |||||||||||||||
| Xiaoyang Xu | THU15 | No. 1 High School Affiliated to Central China Normal University | 551 / #35 | 400 / #1 | 145 / #207 | 404 / #204 | 335 / #191 | 191 / #92 | 255 / #121 | |||||||||||
| Xi Yao? | THU25 | Nanjing Foreign Language School | 558 / #29 | 352 / #107 | 205 / #108 | 461 / #129 | 400 / #1 | 245 / #23 | 260 / #106 | 205.36 / #10 | 93 / #128 | 51 / #493 | ||||||||
| Yi Yao | FDU7 | Jiangsu Changzhou Senior High School | 327 / #274 | 128 / #66 online | 190 / #315 | |||||||||||||||
| Junyou Zhang | PKU28 | Hangzhou No. 2 High School | 620 / #11 | 222 / #34 | 400 / #1 | 300 / #1 | 295 / #414 | |||||||||||||
| Mixuan Zhang | PKU13 | Hangzhou Xuejun High School (Wenyuan campus) | 560 / #26 | 400 / #1 | 300 / #1 | 400 / #1 | 172 / #107 | 170 / #371 | ||||||||||||
| Qishen Zhang | PKU28 | Hangzhou No. 2 High School | 472 / #122 | 171 / #85 | 400 / #1 | 115 / #289 | 400 / #1 | 125 / #71 online | ||||||||||||
| Yifan Zhang | PKU15 | Jiangsu Xishan Senior High School | 542 / #72 | 321 / #86 | 166 / #105 | 336 / #156 | ||||||||||||||
| Chenghao Zhao (IOI 2026) | PKU14 | Jinhua No. 1 High School | 645 / #2 | 376 / #14 | 176 / #81 | 498 / #92 | 400 / #1 | 300 / #1 | 400 / #1 | |||||||||||
| Haikun Zhao | THU26 | Jiangsu Changzhou Senior High School | 484 / #110 | 116 / #226 | 548 / #39 | 400 / #1 | 205 / #108 | 347 / #156 | ||||||||||||
| Jun Zheng | PKU7 | Quzhou No. 2 High School | 584 / #6 | 400 / #1 | 140 / #250 | 385 / #95 | 235 / #172 | |||||||||||||
| Qiheng Zheng | FDU3 | Jinhua No. 1 High School | 287 / #458 | 165 / #124 | 220 / #221 | 39 / #374 | ||||||||||||||
| Xuanye Zheng | THU17 | Yali High School, Changsha | 465 / #8 | 300 / #47 | 228 / #522 | 68 / #212 | 179 / #717 | 83 / #346 | ||||||||||||
| Mofei Zhou | CUHKSZ7 | Hangzhou Xuejun High School (Wenyuan campus) | 205 / #108 | 339 / #175 | 197 / #86 | 210 / #264 | ||||||||||||||
| Tianyu Zhu | ZJU9 | Hangzhou No. 2 High School | 233 / #193 | 159.34 / #82 | 272 / #234 | |||||||||||||||
| Xiangyu Zhu? | FDU9 | Hangzhou Xuejun High School (Wenyuan campus) | 509 / #77 | 140 / #250 | 375 / #100 | 205 / #61 | 132 / #704 | |||||||||||||
| Yifan Zhu? | THU25 | Changjun High School, Changsha | 565 / #19 | 300 / #1 | 515 / #45 | 400 / #1 | 209 / #50 | 352 / #10 | ||||||||||||
Source: OIerDb data (renbaoshuo/OIerDb, result file sha512 9d0b77880d15…, fetched 2026-10-04) and IOI statistics pages. Profiles were matched to the team rosters by Chinese name plus school/graduation year (pinyin-only handles: pinyin plus cohort); see the team index for the roster sources. Teams among the top 30 without members on any scoreboard (EC-only) are not listed.