Rubinstein Opening Bogoljubov Defense Puzzle (Rated 1635): Win Material — Classical Chess Tactics

This Rubinstein Opening middlegame features a sharp tactical imbalance where Black’s active pieces and king safety create a decisive initiative. White’s queen and bishop are exposed to tactical pressure, and the position is full of pins, forks, and discovered attacks. The key idea is to spot when a central piece can be eliminated to open lines against the white king and queen. Once the tactic starts, the follow-up wins material by forcing White into a losing simplification.