scacchi approfondimenti

http://www.google.it/url?sa=t&source=web&ct=res&cd=41&ved=0CBkQFjAAOCg&url=http%3A%2F%2Fwww.cs.unibo.it%2F~cianca%2Fwwwpages%2Fseminari%2F06Torino.pdf&ei=xXgDTObfNY7v-QbV4dCsCg&usg=AFQjCNHgXNoG867a2PoFuS9wwHDLw1_N_Q&sig2=XD8nk9RkIG1DGD_KEesgyg
molto interessante!