Chess Puzzle #K3EnJ — Intermediate, Black to move, middlegame

Position

White: king c1; queen g3; rooks d6/h1; bishop c4; knight c3; pawns a4/b2/c2/e4/f2/g2/h2. Black: king h8; queen c7; rooks a8/f8; bishop c8; knight b4; pawns a5/b7/f5/g7/h7. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Bb3 — bishop c4→b3. Now Black to move.
2. Best move: f4 — pawn f5→f4. Opponent replies Nb5 (knight c3→b5).
3. Best move: Qxd6 — queen c7→d6, captures rook. Opponent replies Nxd6 (knight b5→d6, captures queen).
4. Best move: fxg3 — pawn f4→g3, captures queen.

Tactical themes

advantage, long, middlegame. The key move is f4.

Position data

FEN: r1b2r1k/1pq3pp/3R4/p4p2/PnB1P3/2N3Q1/1PP2PPP/2K4R w - - 1 19

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