★ Top Developer (awarded 2011, 2012, 2013 and 2015) and many years "Editors Choice" ★ AI Factory's Chess is the quickest and easiest way to learn Chess on Android. For years it has been top ranked among the 600+ Chess apps listed! Its first class tutor makes it great for both developing Chess strategy and improving your Chess skills. Completely free! All options are unlocked. Featuring: - ★NEW★ Improved teaching, also showing where moves are unsafe, including an optional enhanced safe