81 Diver

Kentaro Sugata used to be one of the most hopeful trainees to be a professional Japanese chess player, but fails at the final test. Now he has become a gambler who plays Shogi for money and boasts his 182 consecutive wins. However, he is devastated when he is beaten completely by a young woman named Soyo Nakashizu who takes any challenges and never loses. As Shogi means everything to him, he decides to train himself harder to become the strongest player.