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How to play Othello

The objective of Othello is to have as many pieces of your colour on the board at the end.
To place a piece, click on one of the darker squares on the board. The game only allows valid moves, all valid moves are shown by darker board squares.
When one or more enemy pieces are surrounded either side by your pieces they are captured, and become the colour of your pieces.
Black goes first, the game continues until either the board is full or neither player can make a move.
If a player cannot make a move they must pass their go (using the pass button)

Game modes

There are 3 game modes available: 1 player, 2 player and AI versus AI where the computer plays itself

Changing board size

The standard board size is 8x8 but the size of this board can be changed through the buttons at the bottom of the page.

Othello in JavaScript





Board rows:
Board columns:


AI vs AI Delay: