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Level II Challenges (162)

Page 1 of the challenges in Level II, ordered by date posted (the most recent appear first).

The SZ42 Challenge — Part 6
[kopal-19] - 7 users already solved this challenge.
 
 
 
The Lorenz SZ42, codenamed Tunny, was a German teleprinter encryption device used during WW2. This is the sixth challenge in a series of 13 level-2 challenges with the SZ42. In this "setting" challenge you are provided with only one ciphertext and the patterns for all five CHI wheels are known. Can you find the starting positions for the five CHI wheels?
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Published on: 2020-10-02 20:09
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#7) Achieved points (Global score) y-m-d - h:m:s
Kurt Gebauer (Yokozuna) 2000 (286256) 2020-10-02 21:03:47
Eugene (lim0n) 2000 (199334) 2020-10-03 14:07:02
Nicolas (nicosPavlov) 2000 (257791) 2020-10-03 16:38:41
H. Lautenschlager (helmi) 2000 (57600) 2020-10-03 17:00:18
#5 George Lasry (george4096) 1286 (422251) 2020-11-21 17:07:35
#6 zuben c3 (zuben-c3) 1168 (44417) 2021-07-17 23:08:38
#7 George (Theofanidis) 1167 (137118) 2021-07-28 21:08:45
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   +++    [22:12 - 18.10.2021] NikM solved the Level I challenge 'Wheatstone Cryptograph — Part 1'    +++    [18:43 - 18.10.2021] TaRaSS solved the Level I challenge 'Affine Codes / Modulo Arithmetic with N / Extended Euclid'    +++    [17:10 - 18.10.2021] tAnAs solved the Level I challenge 'Letter to the Templars — Part 2'    +++    [16:42 - 18.10.2021] TaRaSS solved the Level I challenge 'Beaver Code'    +++    [16:23 - 18.10.2021] TaRaSS solved the Level I challenge 'Number Sequence — Part 2'    +++