PLUS500 is a Checkers game for Windows. It uses the Standard Laws of International Checkers(10x10). Plus500 is a self-teaching checkersplayer. That is, the more you play against Plus500, the more difficult it becomes to beat. Options: - "ponder" mode; - any starting position on the board; - position analysis; - save/load position/game; - function "undo/repaeat moves"; - function "best next"; - function "rotate board"; - recording game protocol; - different play opponent: computer, another player or PLUS500 play herself;- - import/export Database file.