Sudoku en español

I found out this morning that my Sudoku article on MSDN has been translated into Spanish:http://www.microsoft.com/spanish/msdn/articulos/archivo/160506/voices/tbconSudokuSampleFinal.mspx Cool!  Kudos to David Carmona Salas and his team for undertaking such a massive translation effort.


Sudoku en français

I just found out that my Sudoku article has been translated into French:http://www.microsoft.com/france/msdn/mobilite/sudoku-sur-tablet-PC.mspx Cool!


Sudoku on a non-Tablet PC

I’ve received a bunch of emails over the past week from people asking if I have a version of Sudoku.exe that runs on non-Tablet PCs.  I tell them yes, and I tell them that they do, too 🙂 Sudoku.exe references and uses types from Microsoft.Ink.dll, a .NET assembly included as part of Windows XP Tablet PC…


Randomness bugs

Some of the hardest bugs to discover are those involved in features that contain intentionally random behavior. Sudoku was originally written using System.Random as its source of randomness. As is described in the article about its development, this randomness is used during any brute-force steps taken by the puzzle solver, and as the solver is…


Solving Sudoku Puzzles from the Newspaper

A few people have asked me if it’s possible to use Microsoft Sudoku to solve puzzles other than the ones it creates, such as the ones in daily newspapers.  Yes, it is!  (However, a few lines of code are required to enable this feature.) The code you can download from MSDN for Sudoku has a cheat built…


Adding Skin Support to Sudoku

With the source code for Microsoft Sudoku released on MSDN at http://msdn.microsoft.com/library/en-us/dntablet/html/tbconSudokuSampleFinal.asp, you can take the code and modify it to your liking, adding features, putting a new UI on the game for different environments, whatever cool projects you come up with. I provided a few project suggestions at the end of the article, but…


Sudoku article on MSDN

My Sudoku article on MSDN is live at Microsoft Sudoku: Optimizing UMPC Applications for Touch and Ink.  At 60 pages, it’s practically a book 🙂  I sincerely hope you enjoy it.


Sudoku code now available!

I’m happy to announce that the code for Microsoft Sudoku for the Tablet PC and Ultra-Mobile PC is now available for download at:http://www.microsoft.com/downloads/details.aspx?FamilyID=C0461E1A-BD6A-4B21-A199-D3D4F9D79CF7 Note that the download includes the compiled app, so you can download and start playing right now. The article I wrote to accompany the code should be available online shortly. I’ll post…