Senior Chess is a simple but strong chess program. No ads will be shown. Senior Chess supports both landscape and portrait orientations. Anyone familiar with the rules of chess can adjust the play level arbitrarily so that both the human player and the Android device have a fair chance to win. This is realized by setting a suitable relative frequency (0 - 100%) of "odd moves" that the app will produce instead of normal, strong moves. This feature makes Senior Chess especially interesting if you