Chess AI

by Sebastian Lague for Mac OS X

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Play against an AI chess expert

Chess AI is an open-source sports game by Sebastian Lague. Other than his bot, the game follows the same rules and features as other online chess games. The aim of the game is to checkmate your opponent— the AI—according to the conventional rules of chess. Every player receives 16 chess pieces consisting of a king, a rook, a queen, a pawn, a rider, a bishop. Whoever checks the King is declared the winner. 

What are the basic rules of Chess AI?

Chess AI is a single-player strategy game that applies the rules of chess. The initial setup of chess includes dividing the board into 8×8 squares. This gives 64 alternating squares of dark and light colors. At the end of the board are the 32 chess pieces. There are 16 pieces for each player: 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 Pawns. 

As the game progresses, you have to move your pieces even though the only possible move could lose you the game. This is because the chess rules state that players cannot skip a turn. Each kind of piece of chess has its own motion mechanism. Generally, a piece goes to an empty square—black or white—except where the aim is to take the opponent’s piece. Capturing a piece is when you replace a piece in the square.

Pawns will switch to the square right in front of it if it’s vacant. It can move diagonally, too, but only if you grab the opponent’s piece. The Bishop and the Queen can move to any number of empty squares horizontally, vertically, or diagonally. The Kings are going to move the same way, except just one square per turn. Rooks can also pass any square set, only horizontally and vertically. The Knight is different from all the pieces because he’s going to move to the nearest square.

Beat Chess AI

Chess AI by Sebastian Lague is a great game for typical chess lovers, enthusiasts, and experts. The game follows the chess rules on the tee. You’re going to need to get to know the movements and functions of the different pieces. The game isn’t as dynamic as playing with a real person, but its AI can challenge you across a series of difficulty levels.