those of you interested in problem chess (orthodox, heterodox, fairy...) will enjoy this : http://www.theproblemist.org/supplement-archive 1194+ pages full of chess problems, solutions, interesting articles, fairy chess conditions, fun stuff.
Let Houdini play it
Let's see how fast it is compared to Popeye, Alybadix, Winchloe, VKSach,...Michael
http://www.playwitharena.com