a strong move within the context of a sequence of moves, but if you occupy a vital point, it's hard for the opponent to gain a good result no matter where he plays
A tesuji (手ç‹) is a clever play, the best play in a local position, a skillful move, a special tactic in the game of Go or Shogi. Tesuji is derived from suji (ç‹), which means "line of play".