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August 9, 2008

Saturday Special - Killer ACAN Square

Filed under: dan's corner — h3lix @ 3:11 pm

The two anti-chess variants anti-knight and anti-camel cannot both exist on a sudoku grid with the standard 3×3 nonets, so I’ve removed the nonets!

 In chess, a knight moves 2 cells horizontally and 1 cell vertically or vise versa.  Since this puzzle is anti-knight, none of the red X’s below can contain a 5 because the center cell is 5.

In fairy chess, a camel moves 3 cells horizontally and 1 cell vertically or vise versa.  Since this puzzle is anti-camel, none of the brown X’s below can contain a 5 because the center cell is 5.

 This puzzle comes in two versions.  Click here for the INSANE version:

Click here for the BRAIN version:

solution - final

This text file contains the codes for the cages in both versions. To make them work with PerfectSudoku, you will need to change the tags at the beginning from 1×9 to 3×3

August 2, 2008

Saturday Special - Extra Groups Kakuro

Filed under: Kakuro, dan's corner — h3lix @ 7:14 am

Rules: Solve the puzzle so that the numbers in every horizontal and vertical region add up to the sum indicated for that region. Numbers CAN NOT be repeated in any region.
Additional Rule: The yellow groups of 3×3 blocks contain the numbers 1-9 once and only once.

 It took me about 10 hours spread out over a week to design this one.  I tried to keep the difficulty and variety high.  Enjoy!

Size: 14×14  Difficulty: INSANE
Download the puzzle by clicking on the thumbnail below

No PDF version is available.

Extra groups are not implemented or shown in the online version, so you will have to remember where they are based on the image.

Visual Walkthrough

solution - final

July 19, 2008

Saturday Special - Samurai X Killer Sudoku

Filed under: Samurai sudoku, dan's corner — h3lix @ 5:00 pm

Djape has kindly granted me my own corner as well, which I will use to present my own hand-designed Saturday Specials.  We’ll start things off with a big one.

Samurai: This puzzle consists of 5 overlapping grids, which on their own don’t neccessarily have a unique solution, but together they do.

X: Along the diagonal lines in each puzzle, the numbers 1-9 may not repeat.

 This puzzle comes in two versions.  The first is IQ, the second is BRAIN (but less fun, in my opinion)

Download the IQ version by clicking on this thumbnail

Download the BRAIN version (created by filling in the remaining zero spots) by clicking on this thumbnail

solution - final

JSudoku file