Posted by Dennis Monokroussos: Chess Puzzles by da Vinci? http://chessmind.powerblogs.com/posts/1205731018.shtml [1]Have a look. HT: Eric Jones References 1. http://news.aol.com/story/_a/experts-link-da-vinci-to-chess-puzzles/20080314160409990001?ncid=NWS00010000000001