Unforseen circumstances cost games
Sometimes there are lost games beyond our control which are very frustrating. Foremost of which is when the computer crashes. I lost three games because of this situation. Another is when the computer freezes and its your turn to move. When you reboot the computer, you automatically lost the game. During emergencies, when you need to leave the game, is another circumstance. Offering a draw sometimes will save it but there are players who refuse to understand the situation. Any other circumstrance you can think of or that actually cost you a game online?