Sicilian Defense Closed Puzzle (Rated 1166): Fork — Win Material

A fork is a tactical attack in which one piece creates threats against two or more targets at once. In this middlegame position, the key idea exploits Black’s exposed king and overloaded pieces. White’s active knight can create a forcing check while simultaneously attacking a valuable target. This tactical refutation overturns Black’s material advantage because the king must respond, leaving another important piece vulnerable. The combination shows how king safety and piece coordination can outweigh a temporary material deficit.