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| Picture 1.1 |
- Reversi - othello played by two players at a 8x8 board game with contains 64 squares.
- The game begin with 2 black discs and 2 white discs as shown at picture 1.1.
- The player with black discs always has the first move.
- in each turn, the player puts the disc at the board adjacent the opponent's disc in an empty square that forms a straight line from the players' disc at the beginning and the end of the line. The opponent's disc(s) is between those discs.
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| Picture 1.2 |
Picture 1.2 shown the 4 legal moves that a black player can make as described in yellow colour.
- Every opponent's disc(s) in the line will be owned by the player.
- Every disc placed on the board can change from one color to another, but cannot be moved from one square to another, or removed from the board.
- The player can owned more than one line as long as the criteria mentioned above are fulfilled.
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| Picture 1.3 |
Picture 1.3 : shows how white player's move to own black discs in 2 lines.
- The player must take their turn and cannot pass, except when there's no legal moves left.
- The game ends when there's no more legal moves for both player to make, or when all the squares of the board are full.
