HIARCS Promo Codes & Coupons October 2026 — Up to 20% Off

The home of world-class chess applications for playing and analyzing chess with Mac, PC, and mobile chess software is HIARCS Chess Software. HIARCS is a computer chess program that has won multiple World Championships. It is also the World Computer Chess Champion and the World Chess Software Champion four times. Vishy Anand, a five-time World Chess Champion, and Garry Kasparov, who is preparing for Deep Blue2, both use the chess program. Chess Explorer Pro comes with the most cutting-edge 15 chess engines. Over the course of more than three decades, their chess software has earned a reputation for its high-quality opening books, human-like chess play, realistic weaker levels, and elite performances. They won its first World Championship title in 1991.