Contribute correction: Othello Competition

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