Where are the daily puzzles gone?
Dear all, First I must apologize for keeping you in the dark regarding what’s going on with the daily puzzles. The truth is that I’ve been working hard on my PhD thesis and just had no time to update the…
The Home of Perfect Sudoku and other puzzles
Dear all, First I must apologize for keeping you in the dark regarding what’s going on with the daily puzzles. The truth is that I’ve been working hard on my PhD thesis and just had no time to update the…
Kenkuro puzzles are something that I invented (or at least haven’t seen them elsewhere) and I will try to promote them more. So, starting January 1, 2013, there will be another daily page with Kenkuros! Here is a sample Kenkuro…
A short answer to that question would be: because I enjoy doing it! … but here is a long version, too. Back in the summer of 2005 I realized that it’s about time I had my own website. At that…
After two new book reviews from Amazon that I posted, here I’m posting all reviews of one of the books that should catch your attention: Outside Sudoku and its variants. This book is special because it contains a variety of…
Here’s another Anti-Chess sample puzzle: this one’s a bit harder than the last one. This one’s a HARD (4/5…BRAIN/IQ) Anti-King Killer (this puzzle was originally classified insane, but is actually easier than the insane puzzles in the book) Anti-King means…
This is just a reminder that tomorrow, on Sunday, February 28, 2010, my Samurai Sudoku puzzles will restart in the Comics section of The Washington Post. Also, I am pleased to announce that I’ve made a deal with Kinokuniya bookstore…
It’s been a long while since my previous Kakuro puzzle. Here is a new one. It’s rather difficult. Of course, just a reminder that there is a book full of my Kakuro puzzles. Kakuro for Thursday, January 21, 2010 –…
It’s been a while since I last posted a Nonograms (aka Picross aka Hanjie aka Griddlers) puzzle, so here is a new one. Enjoy!
Weekend Special: Butterfly Samurai Killer Sudoku with diagonal cages! This puzzle consists of 20 (twenty) 9×9 Sudoku sub-puzzles. There are 5 groups of 4 puzzles. Each group of 4 is arranged Butterfly-style, and those 5 groups are arranged Samurai-style. Please…
Well, it’ time to revive the “Daily Sudoku variants” page. First of all, that page has been renamed to “(Non)consecutive”. Since this variation of Sudoku puzzles has proven to be more popular than odd/even and greater/less than, I have decided…