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Level II Challenges (149)

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

The SZ42 Challenge — Part 4

[kopal-17] - 7 users already solved this challenge.
 
 
 

The Lorenz SZ42, codenamed Tunny, was a German teleprinter encryption device used during WW2. This is the fourth 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 CHI1 and CHI2 wheels are known. Can you find the starting positions for CHI1 and CHI2?
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Published on: 2020-08-29 23:25
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 (266506) 2020-08-30 00:14:50
Eugene (lim0n) 2000 (161187) 2020-08-30 12:42:34
H. Lautenschlager (helmi) 2000 (49293) 2020-08-30 12:53:38
George Lasry (george4096) 2000 (351773) 2020-08-30 17:19:16
#5 Armin Krauss (argh) 1725 (206264) 2020-09-01 21:57:52
#6 Nicolas (nicosPavlov) 1613 (241319) 2020-09-03 05:10:49
#7 Snake (snk) 1576 (185894) 2020-09-04 18:19:41
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   +++    [07:27 - 25.09.2020] glasshopper solved the Level II challenge 'Spanish Strip Cipher — Part 1'    +++    [01:02 - 25.09.2020] Lemmynator solved the Level I challenge 'Playfair with hints about the grid'    +++    [15:31 - 24.09.2020] loeppi74 solved the Level I challenge 'Number Sequence — Part 10'    +++    [13:02 - 24.09.2020] michelbriganza solved the Level I challenge 'A hidden word'    +++    [13:00 - 24.09.2020] ritegh solved the Level I challenge 'A hidden word'    +++