Endgame Puzzle (Rated 1290): Spot a Pin — Material Win
This middlegame illustrates how a hanging piece can decide the game when several tactical targets appear at once. Black has extra material, but the rooks are poorly coordinated and vulnerable to immediate attacks. White’s queen can exploit a loose rook while giving check, forcing the defender into an unfavorable sequence. The key idea is a tactical refutation: check the king, gain material, and use the resulting pressure to neutralize the opponent’s advantage.