바둑 사활 - 3000 문제 - 석문기원 실전사활
Seokmun (石問) means to ask a stone. The Seokmun Origin Go series will be released in the future in the form of Chungseok, Mac, Poseok, and Finish. Seokmun Origin Seokmun Go - 3000 Go Problems is a set of 3000 Go problems. provides more than 2,800 Go problems for free. It can be considered the Go bi