Shogi World, April & May 2009 Tsume-shogi (Checkmating Problems) - Practical Problems for Shodan (1st Dan) and 1-kyu Folding Shogi Board Yose (Endgame) Training: 3-Move Checkmate Essentials The Basics of Quick Attacks Against the Righthand 3-File Rook This is a set of 6 items.