Summary: Mason Malmuth has set the standard for what's correct play on the first two cards. They assigned each hand to a group, and proposed all hands in the group could normally be played similarly. The table shows the Sklansky Malmuth hand rankings. Unsuited on the bottom left, suited on the top right. In their excellent book Holdém Poker For Advanced Players they guide you
Image Dimensions: 311 x 427
Image originally found here.