King's Indian Defense Fianchetto Variation Puzzle (Rated 1010): Fork — Decisive Material Gain
This middlegame puzzle is a classic example of a crushing fork that wins material by attacking two major targets at once. White’s active knight jumps into the enemy camp, creating a direct tactical refutation of Black’s last move. The key idea is that king safety and piece coordination matter more than raw material: once the king is forced to respond, a high-value piece becomes vulnerable. In classical chess, these tactical shots often decide the game immediately.