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zhengkechen`s Profile

Usernamezhengkechen
Score16
Global Rank17017
Register DateSep 07, 2021 - 09:31:22
Last ActivitySep 28, 2021 - 09:36:28
Profile Views87
Site Score Username Progress Last Update
WeChall16zhengkechen1.12%Sep 28, 2021 - 09:35:56
zhengkechen`s latest activites
Sep 28, 2021 - 09:35:57Gained 0.32% on WeChall (7 points)
Sep 28, 2021 - 09:01:28Gained 0.32% on WeChall (5 points)
Sep 07, 2021 - 10:09:08Gained 0.32% on WeChall (3 points)
Sep 07, 2021 - 09:45:25Gained 0.16% on WeChall (1 points)
Totalscore Graph for zhengkechenRanking History for zhengkechen
Challenge(s) Overview for zhengkechen
Score Title Author Solvers Age Difficulty Education Fun Solved at Forums
1 Training: Get Sourced by Gizmore 17507 13y 203d 0.47 1.69 2.12 Questions
1 Training: Stegano I by Gizmore 12086 13y 102d 1.08 2.55 2.56 Questions
1 Training: Crypto - Caesar I by Gizmore 11446 10y 333d 1.18 2.47 2.71 Questions
1 Training: WWW-Robots by Gizmore 10088 10y 304d 1.22 3.51 3.40 Sep 07, 2021 - 09:45:14 Questions
1 Training: ASCII by Gizmore 11748 10y 216d 0.54 1.79 1.62 Questions
1 Encodings: URL by Gizmore 10633 10y 216d 0.80 2.03 2.39 Questions
2 Prime Factory by ch0wch0w 7325 13y 203d 1.99 2.80 3.36 Questions
2 Training: Encodings I by Gizmore 4850 13y 130d 3.32 4.30 3.85 Questions
2 Training: Programming 1 by Gizmore 4753 13y 102d 2.88 4.62 4.80 Questions
2 Training: Regex by Gizmore 2882 11y 48d 4.14 6.15 5.14 Questions
2 Training: PHP LFI by Gizmore 4644 11y 19d 2.89 5.20 4.91 Questions
2 PHP 0817 by Gizmore 5745 10y 349d 1.59 3.78 3.49 Sep 07, 2021 - 10:08:54 Questions
2 Training: Crypto - Transposition I by Gizmore 3669 10y 333d 2.42 3.30 4.10 Questions
2 Training: Crypto - Substitution I by Gizmore 2976 10y 333d 3.03 3.56 4.30 Questions
2 Training: Crypto - Caesar II by Gizmore 2401 10y 333d 2.93 3.62 4.65 Questions
2 Training: Crypto - Digraphs by Gizmore 1145 10y 333d 4.21 4.38 5.24 Questions
2 Training: MySQL I by Gizmore 5518 10y 333d 2.13 4.16 4.31 Questions
2 Training: MySQL II by Gizmore 2814 10y 333d 4.81 5.98 6.00 Questions
2 Training: WWW-Basics by Gizmore 1593 10y 331d 2.22 4.23 3.79 Questions
2 Training: Register Globals by Gizmore 2810 10y 323d 2.60 4.55 4.64 Sep 28, 2021 - 09:35:44 Questions
2 Training: Math Pyramid by Gizmore 1754 10y 323d 4.14 4.11 5.33 Questions
2 Training: Baconian by Gizmore 1571 10y 316d 3.19 4.46 4.67 Questions
2 Training: LSB by Gizmore 1933 10y 304d 3.46 5.49 5.33 Questions
2 Training: GPG by Gizmore 992 10y 291d 2.89 6.13 4.65 Questions
2 Limited Access by wannabe7331 2353 10y 269d 2.70 4.65 4.32 Questions
2 Limited Access Too by wannabe7331 and lordOric 1681 10y 266d 3.00 4.84 4.57 Questions
2 Shadowlamb - Chapter I by Gizmore 353 10y 87d 2.81 2.56 7.18 Questions
2 Training: Warchall - The Beginning by WarChallStaff 1825 9y 306d 2.51 4.69 7.43 Sep 28, 2021 - 09:01:17 Questions
2 Repeating History by space and Gizmore 603 9y 226d 3.55 3.53 4.58 Questions
2 PHP My Admin by Gizmore 600 9y 221d 3.57 2.94 3.09 Questions
2 Training: Caterpillar by Gizmore 341 9y 207d 4.45 3.58 3.32 Questions
2 AUTH me by Gizmore 484 8y 97d 3.50 5.28 4.72 Questions
2 Interesting by Gizmore 217 7y 190d 3.58 4.38 6.58 Questions
2 Wanda by Gizmore 55 5y 6d 4.62 4.25 5.81 Questions
2 Railsbin by Gizmore 89 3y 319d 2.68 3.37 4.89 Questions
2 Factor 2 by Gizmore 109 1y 357d 2.53 3.53 6.65 Questions
3 Connect the Dots by galen 904 13y 203d 3.39 3.93 5.39 Questions
3 hi by Gizmore 1928 13y 203d 2.41 3.31 3.51 Questions
3 Stegano Woman by Z 440 13y 177d 3.79 4.08 5.36 Questions
3 Flow Over Astronomy by anto 367 13y 102d 4.39 5.32 5.37 Questions
3 Towers of Hanoi by Z 222 13y 102d 4.68 5.43 6.89 Questions
3 Enlightment by anto 1082 12y 350d 5.05 4.72 6.09 Questions
3 Simply Red by anto 304 12y 350d 5.16 5.38 6.53 Questions
3 htmlspecialchars by Gizmore and Kender 1042 12y 217d 3.44 4.88 3.99 Questions
3 Impossible n'est pas français by CommComm 418 12y 208d 2.88 3.63 6.07 Questions
3 PHP 0815 by Gizmore 1039 12y 150d 4.01 5.34 5.15 Questions
3 Guesswork by Gizmore 1552 12y 150d 3.52 2.29 3.60 Questions
3 No Escape by Gizmore 2352 11y 60d 4.04 5.51 5.48 Questions
3 Training: Crypto - Substitution II by Gizmore 485 10y 333d 3.65 3.92 5.38 Questions
3 Training: WWW-Rewrites by Gizmore 415 10y 331d 3.34 5.18 5.45 Questions
3 Stegano Attachment by Gizmore 1838 10y 291d 2.48 3.96 4.48 Questions
3 Zebra by hirsch 1466 10y 274d 2.23 2.93 4.97 Questions
3 Pimitive Encryption by Gizmore 371 10y 179d 3.41 4.80 6.80 Questions
3 Vermeer by XcrAckX 220 10y 93d 3.95 4.10 5.78 Questions
3 Stop us by noother and Gizmore 302 10y 61d 4.58 5.87 6.29 Questions
3 PHP 0818 by noother 1042 10y 46d 3.16 4.79 4.93 Questions
3 Are you serial by Gizmore 594 10y 17d 3.38 5.62 5.62 Questions
3 Shadowlamb - Chapter II by Gizmore 89 9y 316d 4.45 4.00 7.73 Questions
3 SSH... Z is sleeping by Z 149 9y 248d 5.26 7.89 7.59 Questions
3 eXtract Me by oleg 139 9y 202d 5.50 6.10 6.80 Questions
3 PHP 0819 by space 687 9y 190d 4.52 6.02 6.05 Questions
3 Illuminati by Gizmore 76 8y 14d 3.80 5.53 5.87 Questions
3 Britcoin by Gizmore 29 3y 222d 2.77 4.85 6.31 Questions
3 Rubik's Cube by space 25 3y 9d 5.09 4.09 6.36 Questions
3 Contribute by Gizmore 6 210d 3h 2.00 3.00 8.00 Questions
4 bill for Bill by Z 492 13y 152d 4.67 6.00 8.61 Questions
4 Trivia by Z and Gizmore 762 13y 113d 5.26 6.36 7.23 Questions
4 PHP 0816 by Gizmore 727 12y 132d 3.97 5.80 5.45 Questions
4 Quangcurrency by quangntenemy and Gizmore 275 12y 59d 3.73 5.95 6.68 Questions
4 Addslashes by Gizmore 814 12y 58d 5.39 7.24 6.59 Questions
4 Yourself PHP by Gizmore and Kender 662 11y 60d 4.52 6.76 5.95 Questions
4 The Guestbook by Gizmore 730 11y 60d 4.89 6.49 7.07 Questions
4 Crappyshare by Gizmore 558 11y 60d 3.85 5.50 6.11 Questions
4 Paranoid by Gizmore 150 11y 60d 3.15 1.79 5.03 Questions
4 MD5.SALT by Gizmore 580 10y 349d 5.12 6.33 6.95 Questions
4 Training: Bacon Returns by Gizmore 197 10y 302d 4.33 3.28 3.39 Questions
4 Tracks by Gizmore 860 10y 67d 2.58 3.20 3.42 Questions
4 Training: RegexMini by ludde 615 10y 33d 4.39 6.08 5.43 Questions
4 Identity by Gizmore 122 9y 316d 5.10 5.71 8.26 Questions
4 Shadowlamb - Chapter III by Gizmore 44 9y 291d 3.82 1.36 8.36 Questions
4 Burning Fox by Gizmore 146 9y 244d 5.00 6.75 8.33 Questions
4 Choose your Path by Mart and Gizmore 533 9y 218d 4.26 5.70 6.70 Questions
4 Choose your Path II by Mart and Gizmore 321 9y 216d 4.24 5.48 6.80 Questions
4 Chessy Hawks by Jinx 50 9y 204d 5.62 3.12 4.50 Questions
4 Py-Tong by space 413 9y 196d 4.30 6.27 6.63 Questions
4 Warchall: Live LFI by Gizmore 544 9y 145d 3.79 4.72 6.10 Questions
4 Warchall: Live RFI by Gizmore 478 9y 145d 3.50 4.95 6.35 Questions
4 HOST me by space 387 8y 98d 5.47 7.31 6.88 Questions
4 Warchall: Live RCE by phiber and nurfed 245 7y 303d 5.86 7.33 7.29 Questions
4 Training: Net Ports by Gizmore 424 7y 147d 3.12 4.83 4.67 Questions
4 Training: Time is of the Essence by Gizmore 21 1y 11d 4.82 6.45 8.36 Questions
4 The Mime Files by Gizmore 24 117d 1h 3.60 4.30 7.70 Questions
5 Can you read me by Gizmore 466 13y 203d 3.80 5.80 5.69 Questions
5 Lettergrid by Gizmore 157 13y 203d 4.94 4.67 5.39 Questions
5 The Nap by Z 53 13y 203d 5.74 8.00 8.00 Questions
5 Sudoku I by Gizmore 148 13y 152d 7.46 7.56 8.13 Questions
5 DropDaBass by anto 31 13y 102d 6.50 5.00 5.50 Questions
5 Sidology by Gizmore 322 13y 102d 4.13 4.43 7.26 Questions
5 Out of the Cloud by anto 41 13y 94d 5.73 4.33 6.33 Questions
5 A Black Hats Tale by Z 215 13y 57d 5.95 7.74 8.00 Questions
5 Fix Us by Z and Gizmore 86 12y 215d 5.70 7.35 6.83 Questions
5 Table Names by Gizmore 722 11y 60d 4.83 6.11 6.42 Questions
5 The Last Hope by bsdhell 114 11y 48d 7.22 7.17 8.33 Questions
5 WC Hashing Game by Gizmore 205 10y 328d 4.18 5.18 6.11 Questions
5 The Travelling Customer by Gizmore 95 10y 274d 5.70 6.96 7.57 Questions
5 Preg Evasion by noother 135 10y 180d 6.96 9.12 8.52 Questions
5 Blinded by the light by Gizmore 364 10y 122d 6.07 7.46 7.69 Questions
5 Smile by livinskull and Gizmore 79 10y 93d 5.84 6.79 7.74 Questions
5 Inka by Gizmore 31 9y 240d 5.90 6.90 7.90 Questions
5 Shadowlamb - Chapter IV by Gizmore 31 9y 69d 4.50 2.80 5.30 Questions
5 Time to Reset by Gizmore 108 9y 27d 5.58 7.21 7.38 Questions
5 Brainfucked by Gizmore 219 8y 14d 4.19 5.34 6.03 Questions
5 QMine by quangntenemy 19 8y 14d 6.50 5.50 6.33 Questions
5 Zen by Gizmore 28 4y 318d 4.73 4.27 6.64 Questions
5 2020 Christmas Special by quangntenemy and Gizmore 10 307d 18h 3.67 4.67 9.00 Questions
6 Morsed by Gizmore 71 13y 203d 6.31 6.88 6.94 Questions
6 Count, don't wonder by galen 33 13y 203d 5.89 5.44 7.33 Questions
6 Letterworm by Gizmore 96 13y 202d 4.94 5.39 6.94 Questions
6 Anderson Application Auditing by Z 195 13y 177d 6.35 8.88 9.20 Questions
6 The Cookie is a lie by Z 67 13y 36d 3.85 5.55 7.00 Questions
6 Malware by Z 200 12y 280d 4.11 5.54 6.79 Questions
6 Z - Reloaded by Z and Gizmore 135 12y 54d 5.85 7.65 8.18 Questions
6 Credit Card Challenge Pwned! by Z 60 12y 54d 5.65 7.17 8.65 Questions
6 GizCrypt by Gizmore 153 11y 48d 5.00 5.81 7.58 Questions
6 B.AiM by BAIM and Gizmore 20 10y 274d 5.86 7.00 7.43 Questions
6 Fremes by Gizmore 25 10y 93d 5.69 5.31 8.46 Questions
6 Babbage and Coldplay by ludde 43 10y 30d 6.00 6.17 7.42 Questions
6 Blinded by the lighter by kwisatz 189 9y 342d 7.50 8.47 8.65 Questions
6 Warchall: Tryouts by matrixman 112 9y 171d 8.00 8.94 9.00 Questions
6 Are you blind? by Mawekl 116 9y 76d 6.74 7.79 8.63 Questions
6 Light in the Darkness by Mawekl 138 9y 76d 7.33 8.78 7.50 Questions
6 Three Times Sad by dloser 9 7y 294d 8.20 8.20 8.40 Questions
6 Table Names II by nurfed 319 7y 256d 5.60 8.17 7.80 Questions
6 Experience by Gizmore 18 7y 161d 6.62 6.00 6.50 Questions
6 Disclosures by Gizmore and dloser 18 7y 119d 7.00 6.75 7.62 Questions
6 Nippon by Gizmore and lazer 9 5y 115d 8.33 5.33 7.00 Questions
6 Temper by jusb3 3 185d 11h 6.67 8.33 10.00 Questions
7 Save the World by Z 208 13y 203d 6.61 8.00 7.88 Questions
7 Screwed Signup by Gizmore 255 12y 215d 5.83 7.54 7.54 Questions
7 Order By Query by Gizmore 490 12y 54d 6.43 7.52 7.34 Questions
7 Snake by Gizmore and lazer 46 11y 60d 5.64 6.14 8.71 Questions
7 Speed Your Way To VICtory by Jander 20 10y 165d 8.70 8.70 8.70 Questions
7 Training: Warchall - 7 Tropical Fruits by tropic 165 9y 306d 6.55 8.10 8.20 Questions
7 What is your Name? by Mawekl 37 9y 76d 7.30 8.30 7.60 Questions
7 Time to Reset II by Gizmore and noother 24 9y 23d 8.45 9.82 9.82 Questions
7 Stalking by Gizmore 10 8y 98d 6.50 5.25 10.00 Questions
7 Warchall: Nurxxed by nurfed 19 7y 281d 8.50 10.00 9.00 Questions
7 Old Years Eve 2020 by Gizmore 11 300d 6h 6.50 5.25 5.75 Questions
7 Memorized by Gizmore 9 283d 10h 5.00 7.25 8.00 Questions
8 Agent Larry by Z 46 13y 203d 6.77 8.08 8.54 Questions
8 Crackcha by Gizmore 38 10y 304d 8.18 9.59 9.35 Questions
8 2013 New Years Special by quangntenemy 14 7y 134d 8.00 8.29 7.86 Questions
9 The BrownOS by dloser 3 7y 155d 10.00 6.00 10.00 Questions