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tchen

@tepelchen501

AUTHORED CHALLENGES

OPEN DATECHALLENGESOLVES

2026/02/26

Rock Paper Scissors Lizard Spock
Web
83 solves

2026/02/24

127 solves

2026/02/14

107 solves

2026/02/08

194 solves

2026/02/03

226 solves

2026/01/27

122 solves

2026/01/24

155 solves

2026/01/12

249 solves

2025/12/25

149 solves

2025/12/21

211 solves

CTF HISTORY

START DATECTFRANK

2025/05/17

4 / 213

2025/03/23

19 / 95

2025/03/01

11 / 233

2024/12/30

15 / 316

2024/11/30

33 / 458

2024/11/03

45 / 197

2024/10/12

28 / 247

2024/09/15

92 / 239

2024/08/18

58 / 174

WRITEUPS

WRITEUPCREATED AT
Writeup for pyjs
en
pyjs

2 days ago

2 weeks ago

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3 weeks ago

last month

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2 months ago

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last year

SOLVED CHALLENGES

CHALLENGESOLVES

SOLVED AT

pyjs
Daily AlpacaHack

75 solves

2 days ago

Daily AlpacaHack B-SIDE

85 solves

last month

Daily AlpacaHack

149 solves

last month

Daily AlpacaHack

115 solves

last month

Daily AlpacaHack

192 solves

last month

Daily AlpacaHack

215 solves

last month

Daily AlpacaHack

344 solves

2 months ago

AlpacaHack Round 11 (Web)

12 solves

9 months ago

AlpacaHack Round 11 (Web)

159 solves

9 months ago

AlpacaHack Round 10 (Pwn)

66 solves

11 months ago

AlpacaHack Round 10 (Pwn)

125 solves

11 months ago

AlpacaHack Round 8 (Rev)

71 solves

last year

AlpacaHack Round 8 (Rev)

173 solves

last year

AlpacaHack Round 1 (Pwn)

345 solves

last year

AlpacaHack Round 7 (Web)

128 solves

last year

AlpacaHack Round 7 (Web)

266 solves

last year

AlpacaHack Round 6 (Pwn)

204 solves

last year

zer0pts CTF 2022

47 solves

last year

AlpacaHack Round 5 (Crypto)

62 solves

last year

AlpacaHack Round 4 (Rev)

125 solves

last year

AlpacaHack Round 4 (Rev)

26 solves

last year

CakeCTF 2022

3 solves

last year

AlpacaHack Round 2 (Web)

8 solves

last year

AlpacaHack Round 2 (Web)

80 solves

last year

AlpacaHack Round 2 (Web)

586 solves

last year

AlpacaHack Round 2 (Web)

92 solves

last year

RTACTF 2023 Spring

41 solves

last year

RTACTF 2023 Spring

85 solves

last year

RTACTF 2023 Spring

33 solves

last year

RTACTF 2023 Spring

76 solves

last year

RTACTF 2023 Spring

160 solves

last year

1454 solves

last year

zer0pts CTF 2023

9 solves

last year

CakeCTF 2023

7 solves

last year

CakeCTF 2022

14 solves

last year

CakeCTF 2022

21 solves

last year

zer0pts CTF 2023

14 solves

last year

zer0pts CTF 2023

27 solves

last year

CakeCTF 2023

11 solves

last year

CakeCTF 2022

79 solves

last year

CakeCTF 2023

50 solves

last year

CakeCTF 2023

220 solves

last year