Chess Puzzle #yXVUb — Master, Black to move, middlegame

Position

White: king g2; queen d5; rooks a1/f1; bishop f4; knight b1; pawns a2/b2/c3/d3/f5. Black: king a8; queen c7; rooks e8/g5; knight c6; pawns a7/b7/c5/h4. White is ahead by 4 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Bxg5 — bishop f4→g5, captures rook. Now Black to move.
2. Best move: Qg3+ — queen c7→g3, gives check. Opponent replies Kh1 (king g2→h1).
3. Best move: Re2 — rook e8→e2. Opponent replies Qg8+ (queen d5→g8, gives check).
4. Best move: Nb8 — knight c6→b8. Opponent replies Qxb8+ (queen g8→b8, captures knight, gives check).
5. Best move: Qxb8 — queen g3→b8, captures queen.

Tactical themes

advantage, fork, middlegame, very long. The key move is Qg3+.

Position data

FEN: k3r3/ppq5/2n5/2pQ1Pr1/5B1p/2PP4/PP4K1/RN3R2 w - - 0 28

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