a focused chess player studies the board intensely, fingers hovering over a knight piece. She traces possible moves in the air before making her selection. After several moments of deep thought, she moves the knight to a specific square that creates multiple threats. The move sets up a winning combination three moves ahead that her opponent cannot see. Her opponent looks confused and worried, realizing he's in serious trouble. Other players at nearby tables pause their games to watch the brilliant strategy unfold. a move that was carefully planned and thought out in advance to achieve a particular winning result