We are composed of students, faculty and alumni from the Beijing National Day School.

Participated in CTF events

Overall rating place: 10241 with 3.896 pts in 2023

Country place: 391

PlaceEventCTF pointsRating points
313BCACTF 4.0150.00000.970
502HSCTF 10988.00002.495
613TJCTF 202323.00000.211
493BYUCTF 2023200.00000.220

Overall rating place: 4794 with 8.146 pts in 2022

Country place: 260

PlaceEventCTF pointsRating points
319Lexington Informatics Tournament CTF 2022805.00002.179
171WeCTF 202210.00000.251
1154Tenable CTF 2022100.00000.280
371Grey Cat The Flag 202250.00000.178
578HSCTF 9240.00000.720
297n00bzCTF 2022191.00000.261
327BCACTF 3.0425.00001.201
539SEETF 2022200.00000.229
239Security Fest 202235.00000.223
419DEF CON CTF Qualifier 202211.00000.509
321HeroCTF v4250.00000.451
315BYUCTF 2022100.00000.216
283TJCTF 2022778.00002.065

Overall rating place: 4580 with 7.992 pts in 2021

Country place: 276

PlaceEventCTF pointsRating points
1178MetaCTF CyberGames 2021450.00000.740
259TFC CTF 2021200.00001.108
839RaRCTF 202110.00000.044
1257redpwnCTF 2021204.00000.737
466WeCTF 202110.00000.082
300HSCTF 82890.00004.019
317PlaidCTF 20211.00000.331
360HackPack CTF 202151.00000.490
1099ångstromCTF 202155.00000.441

Overall rating place: 2616 with 12.593 pts in 2020

Country place: 221

PlaceEventCTF pointsRating points
412Brixel CTF winter edition133.00000.000
803rgbCTF 2020101.00000.130
789ASIS CTF Quals 202020.00000.351
987redpwnCTF 2020566.00000.614
544Zh3r0 CTF80.00000.117
1126NahamCon CTF365.00001.225
588Really Awesome CTF 2020700.00000.943
3832020 Defenit CTF100.00000.196
360HSCTF 71520.00002.251
348Pwn2Win CTF 202050.00000.836
155TJCTF 2020675.00005.432
706SharkyCTF50.00000.141
516S㎩mAndFlags Uけimate w呎は屸de C㏊mᒆonship Teaser ꕫꕫ - ㎩㏚i㎄ Edition10.00000.085
608De1CTF 202027.00000.097
515Houseplant CTF 2020800.00000.605

Overall rating place: 3898 with 5.530 pts in 2019

Country place: 247

PlaceEventCTF pointsRating points
1319X-MAS CTF 201926.00000.049
867TUCTF 2019201.00000.435
195HSCTF 63711.00005.046

Overall rating place: 13554 with 0.288 pts in 2018

Country place: 329

PlaceEventCTF pointsRating points
653picoCTF 201810710.00000.000
16HSCTF 55825.00000.000
335PlaidCTF 20181.00000.288

Team members

Team writeups

EventTaskAction
PACTF 2018Library of Babel [75]read writeup
PACTF 2018AI [80]read writeup