Contribute correction: Othello

  _  _      ___               _    _   
 | \| ||   / _ \\    ____    | || | || 
 |  ' ||  | / \ ||  |    \\  | || | || 
 | .  ||  | \_/ ||  | [] ||  | \\_/ || 
 |_|\_||   \___//   |  __//   \____//  
 `-` -`    `---`    |_|`-`     `---`   
                    `-`