==References====Further reading==* John Power, "Invincible: The Games of Shusaku", ISBN 4-906574-01-7* "Honinbo Shusaku – Complete Game Collection", ISBN 7-80548-915-7==External links==*Sensei's Library*Daily Yomiuri article*Gobase player stats and games listing
* John Power, "Invincible: The Games of Shusaku", ISBN 4-906574-01-7* "Honinbo Shusaku — Complete Game Collection", ISBN 7-80548-915-7* Sensei’s Library* Daily Yomiuri article* Gobase player stats and games listing