The invention discloses a digital chess set provided with a board and chesses. The board includes nine large checks of A, B, C, D, E, F, G, H and I. Each large checker is divided into 3*3 nine medium checks of (1,1), (1,2), (1,3), (2,1), (2,2), (2,3), (3,1), (3,2) and (3,3). Each medium check is divided into 3*3 nine small checks. Each large checker is respectively connected with others and arranged in a prismatic state into a square matrix and a linear shape, and a middle check is overlapped between each two large checks vertically and horizontally adjacent to each other. The chesses have nice kinds, and can be digits, letters, symbols, characters, patterns or objects. The chess playing method comprises the steps as follows: (1) placing the chesses in a part of the small checks of the whole board; and (2) placing a chess in a hollow small check when playing the chess until the small checks are filled and the winning condition is satisfied. The digital chess set is suitable for developing intelligence and entertainment, has a novel design, and is suitable for multi-player and network entertainment.