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

Position

White: king h1; queen h6; rooks f1/f4; pawns a2/b4/d4/f6/g2/h2. Black: king h8; queen d5; rooks a8/f7; bishop c8; knight d8; pawns a7/b6/d7/e6/h7. Black is ahead by 5 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Bb7 — bishop c8→b7. Now White to move.
2. Best move: Rg4 — rook f4→g4. Opponent replies Qxg2+ (queen d5→g2, captures pawn, gives check).
3. Best move: Rxg2 — rook g4→g2, captures queen. Opponent replies Bxg2+ (bishop b7→g2, captures rook, gives check).
4. Best move: Kxg2 — king h1→g2, captures bishop.

Tactical themes

advantage, long, middlegame, quiet move. The key move is Rg4.

Position data

FEN: r1bn3k/p2p1r1p/1p2pP1Q/3q4/1P1P1R2/8/P5PP/5R1K b - - 1 26

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