Chess Puzzle #BTqVW — Intermediate, Black to move, middlegame

Position

White: king g1; queen g5; rook f1; knight a4; pawns a2/b3/c2/f2/g2/g7/h3. Black: king g8; queen b5; rook e8; knight e4; pawns a7/c5/c6/d4/f7/h7. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Qg4 — queen g5→g4. Now Black to move.
2. Best move: Qxf1+ — queen b5→f1, captures rook, gives check. Opponent replies Kxf1 (king g1→f1, captures queen).
3. Best move: Nd2+ — knight e4→d2, gives check. Opponent replies Kg1 (king f1→g1).
4. Best move: Re1+ — rook e8→e1, gives check. Opponent replies Kh2 (king g1→h2).
5. Best move: Nf1+ — knight d2→f1, gives check.

Tactical themes

attraction, crushing, endgame, kingside attack, sacrifice, very long. The key move Qxf1+ captures with check, forcing a response.

Position data

FEN: 4r1k1/p4pPp/2p5/1qp3Q1/N2pn3/1P5P/P1P2PP1/5RK1 w - - 5 25

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