In chess a fork is a common tactic where one piece attacks two enemy pieces simultaneously. The following illustrates a position where white can deliver a fork tactic: [SetUp "1"] [FEN "2r5/8/8/3k4/8/8/5Q2/K7 w - - 0 1"] {[%csl Gf5][%cal Rf5d5,Rf5c8]If only white could envision a square for her queen to move that would deliver a fork 🙂 } 1.Qf5 {The white Queen forked the black king and rook!}Kd4 {The king must move out of check} 2.Qxc8 {White captures the undefended rook!} 1-0 You must activate JavaScript to enhance chess game visualization.