Puzzles and logic › Tournaments and games › Counting matches
Boards in a simultaneous chess exhibition
Middle school · ●●○○○ 20 pts
A master gives a simultaneous chess exhibition on several boards, with one game played on each board. In the first two hours, he won of the total number of games, and 8 opponents drew their games with him. Over the next two hours, he played the remaining opponents: he won of those games, lost two games, and drew the remaining 7 games. On how many boards was the exhibition played?