Borg Defense Puzzle (Rated 1165): Spot a Fork — Chess Endgame Tactic

This middlegame puzzle shows how a single forcing check can flip the evaluation even when one side is materially ahead. The key idea is a fork: one piece jumps to attack two valuable targets at once, creating immediate tactical pressure. Here, king safety matters more than raw material because the exposed king and loose queen allow a forcing sequence. In classical chess, these patterns often decide the game before the extra material can be used.