East Indian Defense Other Variations Puzzle (Rated 1115): Win Material — Crushing Middlegame Tactic

This puzzle is a classic middlegame tactical win where active rooks and a strong bishop create immediate pressure on the enemy king and back rank. The key idea is to exploit a pinned defender and a loose rook on the e-file, turning activity into a concrete material gain. When one piece is overloaded and another is hanging, forcing exchanges can quickly convert initiative into a decisive advantage.