Wheeling Systems Checker 4.0.5 is the software you can use if you want to check/analyze/improve your coverings.

It comes with some handy features like coverage analysis, coverage improvements, best covering blocks, system analysis, improved covering tools (subscribers only), shrinking tools (subscribers only) and more...

System requirements
Operating system: Windows Vista SP2, Windows 7 SP1, Windows 8, Windows 8.1, Windows 10, Windows 11.
Architecture: 32 or 64 bits
RAM: 2GB minimum, 4GB+ recommended

NOT WORKING on Windows XP

Downloads

V. 4.x, login and then click "Account" -> "Download"

Wheeling Systems Checker 3.8.3 - Subscribers only
Wheeling Systems Checker 3.8.0.1 - Free

What's new
Version 4.0.5
  • Fixed a bug in "covering tools" which could lead to missing improvements when "x" parameter in deep search options was greater than 1
  • New additional option to play a sound in "covering tools" when systems are 100% covered
Version 4.0.4
  • Improved speed of "covering tools"
  • Minor bugs fixes
Version 4.0.3
  • Improved "covering tools"
  • Open uncovered blocks in Notepad
  • The pause button also pauses the timer
  • New method to calculate blocks weight
  • Minor bugs fixes
Version 4.0.0
  • First release of "shrinking tools"
  • Maximum K value is now 25
  • Requires an Internet connection
  • Requires a valid subscription
  • Installs side by side with version 3.8.x
Version 3.8.3
  • Fixed a bug in Improve coverage feature (also valid for version 3.8.0.1 free edition)
  • New option in "covering tools" to automatically replace systems blocks
  • Maximum V value is now 63
Version 3.8.2
  • Slightly improved "covering tools" speed
  • Added the option to save systems as inverse
  • Maximum K value is now 20
Version 3.8.1
  • First release of "covering tools"
Wheeling Systems Validator 2.0.5 is the program you need if you want to upload your coverings.

Please note
Starting from version 2 the download is only available to users with a valid subscription.

System requirements
Operating system: Windows Vista SP2, Windows 7 SP1, Windows 8, Windows 8.1, Windows 10, Windows 11.
Architecture: 32 or 64 bits
RAM: 2GB

NOT WORKING on Windows XP

Downloads

V. 2.x, login and then click "Account" -> "Download"

PDF manual in English

What's new
Version 2.0.5
  • New feature - Union construction (see manual for more details)
Version 2.0.4
  • New feature - Multiple uploads (see manual for more details)
  • Great speed improvements for systems with k=t and t=m
  • Small speed improvements for systems with k>t and t<m
Version 2.0.3
  • Code changes to sligthly improve speed for systems with k>t and t<m
  • The pause button also pauses the timer and changes to red the progress bar colour
Version 2.0.2
  • Fixed a bug which in some cases could raise an unhandled overflow exception (many thanks to Alessandro Brozzetti for pointing it out)
Version 2.0.1
  • Fixed a bug related to systems with a large number of blocks covered by a single block (many thanks to edi8 for pointing it out)
  • Updated manual
Version 2.0.0
  • Improved speed on almost every type of system
  • Fixed a bug related to small systems with K=T or T=M (many thanks to Terenzio Lazzarotto for pointing it out)
  • Fixed a bug related to systems with V>63 and unchecked "Use parallel" option
  • Installs side by side with version 1.1.x
Covering Repository Archive
Download the whole archive in .txt format
If your download doesn't start immediately, it means the archive is regenerating. Please wait 60/90 seconds.