この一手で相手の玉に必死がかかった。
With this move, the opponent's king was caught in an unstoppable mating net.
必死をかけられたら、相手の王を先に詰ませるしかない。
Once you're in hisshi, your only hope is to checkmate the opponent's king first.
詰将棋だけでなく必死問題も解いて終盤力を鍛えよう。
Train your endgame by solving hisshi problems as well as tsume-shogi.