So you are tried of beating your cheap chess program and want to actually challenge yourself? Good luck trying to beat Houdini 4 Pro. This monster is one of the strongest engines money can buy. It is not going to make mistakes and ruthlessly punishes every small miscalculation you make. The program is really designed for the pros. It gives users online access to the world’s largest analysis database with over 200m positions analyzed. You also get access to PlayChess for 6 months.
Houdini 4 Pro will put you in your place and make you feel like a helpless puppy against a giant monster. For about $115, you can bring a world champion into your home to try and beat it. Don’t hold your breath though.