Blackmar Diemer Gambit Accepted Discovered Attack Puzzle (Rated 1464): Spot Mate in 2 — Discovered Attack
This middlegame puzzle shows how a discovered attack can turn a strong attacking position into a forced finish. White’s pieces are coordinated around the enemy king, and the key idea is to open lines while keeping the defender overloaded. The position also features a pin and a kingside attack, so the winning move is not about grabbing material first, but about creating a direct threat that cannot be met. In classical chess, these tactical patterns often decide the game immediately.