LSHR 2 Part I will be published soon.
For any questions write to me

Latest test:
pdf: POW-12
[] downloads
[] submissions
html: Results

nothing so far


Puzzle of the Week 12

Start: 17-4-2022

Finish: 28-4-2022


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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.

IVIQ results are converted to ratings at IQ Puzzle Ratings.

Rules for LSHR 2 Season:
01. There is no fee. Donations could be send by PayPal to
02. Test includes 12 spatial puzzle in each part (3 months for solving - it will be prolonged to reach 15 testees if needed).
03. Test is given as a pdf file.
04. You need to complete the image in a minimal possible way to achieve a full logic.
05. Help of any other person is not allowed.
06. 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.
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 at least 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 the puzzle will be taken as your official answer to that puzzle.
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. Solutions WILL BE discussed on my YouTube channel, but only for bad items which will not be part of the final test. You can send an explanation for your solutions.
12. Top ten competitors of each IVIQ will be displayed on this page until the end of the next round.
 Ivan Ivec 2011    Layout from PQRST
 IQ Tests and Societies
top 10 at Puzzle of the Week

1 Matej Šćurić
2 Ivan Yovchev Yovev
3 Paweł Sidorenko 3.5
4 Giuseppe Di Nunzio 3
4 Zhuohao Yuan 3
6 Aaryan Nambiar 2
7 José Enrique Benlloch 1
7 Marko Ivec
9 -
10 - -

See all results at pow 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