amateur game
Dan Level Go Software
You can rotate the board, or add coordinates. Realistic clicks and capture sounds, and sounds for pass, IGS match, etc. Calibrated levels from 18 kyu to 1 Dan to give any player a good even game. It tracks your rank as you improve and adjusts to always give you a good game. Over 100 screens of text, examples, and simple problems teach you the rules, elementary tactics and strategies. Over 2000 go problems for all levels of player.