Visiteurs depuis le 25/01/2019 : 1512 Connectés : 1 Record de connectés : 35 Buy Hiarcs For Mac DownloadEmbed this Program Add this Program to your website by copying the code below. Preview Preview. I'm a poor chess player but I know a good chess program when I see one, and Sigma Chess HIARCS is definitely one of them. Sigma Chess HIARCS is a challenging and elegant chess program for Mac, which f