• "Internet puzzle solvers test" is on vacation now. Start of the next round will be announced later.
  • Puzzles will be placed on this page (in the top right corner) in Adobe Acrobat Reader file format.
  • Solvers who can not download the test file from this page may receive it by e-mail. You will need to inform me by writing to diogen.club@gmail.com.
  • Anyone can participate in this competition. Results of previous rounds are not considered.
  • Answer must be submit to diogen.club@gmail.com within one week of test file publication. You must send answers by e-mail in simple text.
  • On the first line you must write your name or nickname and your country.
  • All answers must be presented in the format stated in the question. Answers for each puzzle must be placed in new line beginning with puzzle number and dots.
  • Please write the two best and two worst puzzles.
  • At the end of email you may add any additional comments.
  • You may send multiple submissions, but must enter your name in each submission. Your latest submission for a puzzle will be taken as your official answer to that puzzle.
  • Results will be posted within one week.
  • There are no prizes, rewards or anything else, only the honour.
  • You can send your own puzzles for inclusion in the next round. The author of such puzzles will be show.
  • For any questions write to diogen.club@gmail.com or visit our forum
  • If you want to receive contest announcement then subscribe to mail list

For the other information about Diogen puzzle club see the
main page
Winners of 4th round
1.Kubo T. 94
2.Romon C. 93
3.Tokunaga T. 92
4.Jo H. 91.5
Klyachin V. 91.5
6.Uppelschoten R. 89
7.Sugimura Y. 88.5
8.Podshivalov C. 88
Robertsa T. 88
10.Arimatsu T. 87.5
The full results see here
Rambler's Top100
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