Chess Puzzle #ECZ3h — Expert, White to move, middlegame

Position

White: king b1; queen c3; rooks d3/h1; pawns a2/b2/c2/f2/g2/h6. Black: king g8; queen g6; rooks a8/f7; knight h8; pawns a7/b7/c7/e6/h7. Black is ahead by 2 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Rf5 — rook f7→f5. Now White to move.
2. Best move: Rg3 — rook d3→g3. Opponent replies Rg5 (rook f5→g5).
3. Best move: Rhh3 — rook h1→h3. Opponent replies Nf7 (knight h8→f7).
4. Best move: f4 — pawn f2→f4. Opponent replies Rxg3 (rook g5→g3, captures rook).
5. Best move: Rxg3 — rook h3→g3, captures rook.

Tactical themes

advantage, middlegame, pin, quiet move, very long. The key move is Rg3.

Position data

FEN: r5kn/ppp2r1p/4p1qP/8/8/2QR4/PPP2PP1/1K5R b - - 2 21

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