Momiji no Kisetsu

Momiji no Kisetsu summary:

Momiji Kuramichi has all the passion in the world for the game of shogi. Unfortunately, he has none of the talent. This is especially frustrating because his brother was a legend in the game. How can he be such a flop? He's developed a unique way of dealing with his frustration—head-butting everything! But you can't headbutt your way to victory in shogi. Is he doomed to wither under the shadow of his brother forever?