The Complete Chess System is a 1993 chess program for DOS, published by Oxford Softworks, a British studio that specialised in chess software. It brings a full game of chess to the browser through DOS emulation, with save states you can export between sessions.
How to play
The objective is to checkmate your opponent’s king — place it under inescapable attack. The game uses the mouse and keyboard controls standard to DOS applications. Press Right Alt + Enter to switch to full-screen.





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