In chess a skewer is an attack upon two pieces in a line. The following illustrates a position where white can deliver a skewer tactic: [SetUp "1"] [FEN "8/8/8/3k3r/8/Q7/8/K7 w - - 0 1"] {[%csl Ga5][%cal Ra5h5]If only white could envision a square for her queen to move that would deliver a skewer 🙂 } 1.Qa5 {The white Queen has skewered the rook!}Kd4 {The king must move out of check} 2.Qxh5 {White captures the undefended rook!} 1-0 You must activate JavaScript to enhance chess game visualization.