Chess Puzzle #B7A3G — Master, White to move, middlegame

Position

White: king g1; queen h5; rooks d3/f1; bishops c4/d4; pawns a3/e4/f5/g2/h2. Black: king g8; queen d8; rooks a5/f8; bishop b7; knights c8/g6; pawns a4/c3/d7/f7/g7/h7. Black is ahead by 4 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Bxe4 — bishop b7→e4, captures pawn. Now White to move.
2. Best move: Rh3 — rook d3→h3. Opponent replies h6 (pawn h7→h6).
3. Best move: Qxg6 — queen h5→g6, captures knight. Opponent replies Qg5 (queen d8→g5).
4. Best move: Rg3 — rook h3→g3. Opponent replies Qxg6 (queen g5→g6, captures queen).
5. Best move: Rxg6 — rook g3→g6, captures queen.

Tactical themes

crushing, middlegame, pin, very long. The key move is Rh3.

Position data

FEN: 2nq1rk1/1b1p1ppp/6n1/r4P1Q/p1BBP3/P1pR4/6PP/5RK1 b - - 1 23

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