IVIQ 16 is over. There was only one participant and the results are not published.
For any questions write to Dawid

Latest test:
pdf: IVIQ 16
[1017] downloads
[1] submission
html: Results

nothing so far



Greek (old)

INYC 2012


Start: 18-03-2015

Finish: 31-08-2015


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from January 10, 2014

Could you be World IQ Number One?

Puzzle Design Tournament

IVIQ Puzzle Competition

From 2014 IVIQ is my main instrument for developing high quality high range IQ tests as explained at Quality analysis page. By your participation you support this important research. In 2015 I postponed future development of IQ tests. If you want to promote your own IQ tests through IVIQ competitions, feel free to contact me.

IVIQ results are converted to ratings at IQ Puzzle Ratings.

Rules for Season IV (from IVIQ 16):
01. The identification fee for the whole season is 2€. Please pay by PayPal to
02. Test includes approximately 10-15 numerical items.
03. Test is a pdf file. You need to download Adobe Reader to see the file.
04. Help of any other person or computer processor strength is not allowed.
05. Competitors agree to be rated by IQ Puzzle Ratings, and should enter their names in Latin characters only. Each season will be rated separately. Stars from all seasons will be added together to form Hall of Fame. You can require to stay anonymous. Anonymous competitors will not be rated.
06. At the end of the season, competitors participating in all rounds will get an IQ estimate of their performance.
07. Each item will bring 1 point.
08. At the exact time of the competition start, test file will be available to be downloaded at the Status window above.
09. You have 1-3 months to submit the answers of the puzzles to You may send multiple submissions, but enter your name, surname and e-mail address in each submission. Your latest submission for a puzzle will be taken as your official answer to that puzzle. If you confirm your final submission, your score follows soon.
10. An errata column will be published on the main page of the web site. It's up to you to check the errata column until the competition ends.
11. Each competitor is kindly asked to rate all puzzles whether he/she has solved it or not. Rate the puzzles in a scale of 1-10 (10 being top) with respect to the enjoyment while solving the puzzle and the creation of the puzzle. You may give the same rating to multiple puzzles. Ratings will be published if at least three competitors rate a puzzle.
12. Solutions WILL NOT be given. The puzzles will be part of a future IQ test.
13. Top ten competitors of each IVIQ will be displayed on this page until the end of the next round.
14. Top ten puzzles of all IVIQ puzzles will be displayed on this page.
 Ivan Ivec 2011    Layout from PQRST
 IQ Tests and Societies
top 10 at last iviq (15)

1 Caner Sakar
2 Kenneth E. Ferrell
3 Anonymous1 84
4 Anonymous2
5 Juan González Liébana
6 Peter Donald Rodgers 64
7 -
8 -
9 -
10 - -

See all results at iviq 15 page.
top 10 puzzles

1 10
2 9,67
2 9,67
2 9,67
2 9,67
6 9,33
6 9,33
6 9,33
6 9,33
6 9,33
6 9,33
6 9,33
6 9,33