Sudokut / News: Recent posts

Sudokut 0.6 released !

Hi all !

A new version (0.6) of Sudokut, the multi-platform (Unix, Mac OS X, Windows) command line sudoku solver written in Tcl, has just been released at SF.

This new version of sudokut brings the following features:
* implemented a new incremental strategy for solving problems;
* added new reduction techniques: jellyfish, squirmbag, whale and leviathan;
* added one level of verbosity. Verbosity can now be set from 0 to 4;
* redefined most reduction techniques for increased efficiency.... read more

Sudokut 0.5 released !

Hi all !

A new version (0.5) of Sudokut, the multi-platform (Unix, Mac OS X, Windows) command line sudoku solver written in Tcl, has just been released at SF.

This new version of sudokut brings the following features:
* implementation of XY-Wing reduction.
* implementation of ALS-XZ reduction.
* new option -a to list almost locked sets.
* new option -b to force backtracking.
* improved method to rate the level of difficulty.
* improved option -k: candidates are now displayed in a grid.
* better display of cell coordinates. ... read more

Hi all !

A new version (0.4) of Sudokut, the multi-platform (Unix, Mac OS X, Windows) command line sudoku solver written in Tcl, has just been released at SF.

This new version of sudokut brings the following features:
* naked quadruplets reduction.
* hidden quadruplets reduction.
* swordfish reduction.
* new option -e to put in explanatory mode.
* new option -i to ignore some solving techniques.
* new option -l to rate the level of difficulty.
* support for pipes: sudokut can now read from standard input.
* improved readability of messages.... read more

Hi all !

A new version (0.3) of Sudokut, the multi-platform (Unix, Mac OS X, Windows) command line sudoku solver written in Tcl, has just been released at SF.

This new version implements the following features:
* two new solving techniques are supported: naked triplets reduction, hidden triplets reduction
* new -u option to test the unicity of the solution
* new -m option to modify the string... read more

Hi Sudokers,

Version 0.2 of Sudokut has just been released. It introduces the following features:

* new -s option to obtain suggestions about the next step

* new -p option to probe the sudoku using a particular technique

* new -o option to obtain only the first solution in the case of a multiple solutions puzzle

* new -n option to disable backtracking

* more solving techniques are supported: block to row/col reduction, block to block reduction, naked pairs reduction, hidden pairs reduction, x-wing reduction.... read more

I have just uploaded to the files area of the project the first release of Sudokut, a command line Sudoku Solver written
in Tcl. It should work on any platform (Unix, Mac OS X, Windows) provided a
Tcl interpeter is installed (this is normally the case by default on Unix
and Mac OS X).

Sudokut's home page is there:
http://webperso.easyconnect.fr/bdesgraupes/DocHTML/sudokut.html

It is quite fast (less than one second for medium force sudokus,
approx 4 seconds for the most difficult ones among the top95s). It has
passed all the top95's and impossible520's.... read more