Iwai Ryuichi
Keywords: People
Iwai Ryuichi (岩井竜一 Iwai Ryūichi) is an 8-dan Japanese amateur who won the 46th Amateur Honinbo tournament.
Iwai is the first native of Okayama Prefecture to win this title. Also defeated O Meien with a 2-stone handicap and -5 komi in the 2000 Pro-Amateur Honinbo match.