Genetic Algorithms and Computer Chess

If you’re into computer chess and genetic algorithms like me, this paper is definitely worth reading!

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Freewill and Ruzzle

(Click to enlarge)

Freewill already shows very good results!

My heart just stopped when I read the last results on the Transcript!  I had done it!  1634, my goal, had been achieved [1]!  I had broken Didier Müller’ record!  The maximum number of French words a ruzzle grid could contain was 1634!

The joy didn’t last long! I quickly realized that I had only equaled Müller’s record (see his results here), finding just another transposition of the 2 grids he had found.

But it’s promising!  The same iteration also found a grid with 1625 words in it, which is still better than Müller’s second best!  I’m currently setting up parallel workers to run 5 genetic algorithms at the same time. And this time, I’ll be looking for grids with more than 1634 words!

I want to break that record!

[1] Note: for those who are wondering what I am talking about, I explain that ruzzle quest here (in French).

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Ruzzle : mise à jour

Je suis à peaufiner la 2ième partie (de 7) de la série débutée dans cet article.  Je devrais publier ce billet sur les méthodes de création durant la semaine.

Entre-temps, j’ai une version fonctionnelle de mon algorithme génétique : il ne me reste que 3 méthodes de sélection et 3 méthodes d’immigration à coder et à tester.  Ensuite, j’optimiserai certaines parties plutôt lentes du code! Pour l’intant, ça a l’air de ceci (cliquez sur l’image pour agrandir)…

Le défi est lancé

C’est maintenant officiel, j’ai relevé le défi publiquement!