Shusaku Honinbo was a renowned Japanese Go player during the 19th century, often considered one of the greatest in the game's history. Born in 1829, he became a professional player at a young age and was known for his exceptional skill and innovative strategies. His contributions to Go significantly influenced the game's development. Honinbo's most famous achievement was his undefeated record in official matches, which solidified his reputation. He was also a member of the Honinbo school, one of the most prestigious Go institutions in Japan. His legacy continues to inspire Go players around the world today.