Learn How to Win with a Fork: Middlegame Sacrifice
This puzzle is a classic example of a forcing middlegame tactic where material is not the only factor. White uses active pieces, open lines, and king pressure to create a sequence that wins decisively. The key idea is to first remove a key defender, then use a check to drag the king into a vulnerable square, and finally win a major piece with a fork. Even though the position looks materially balanced after the first exchange, the tactical follow-up is what decides the game.