Chess Puzzle #WN81K — Expert, Black to move, middlegame

Position

White: king g1; queen d1; rooks a1/f1; bishops d2/g4; knights c3/d4; pawns a4/b2/b5/e3/g2. Black: king e8; queen c7; rooks a8/h8; bishops b7/c5; knight f6; pawns a5/d5/e6/f4/f7. White is ahead by 3 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Rxf4 — rook f1→f4, captures pawn. Now Black to move.
2. Best move: Qxf4 — queen c7→f4, captures rook. Opponent replies exf4 (pawn e3→f4, captures queen).
3. Best move: Bxd4+ — bishop c5→d4, captures knight, gives check. Opponent replies Kf1 (king g1→f1).
4. Best move: Rh1+ — rook h8→h1, gives check. Opponent replies Ke2 (king f1→e2).
5. Best move: Rxd1 — rook h1→d1, captures queen.

Tactical themes

advantage, capturing the defender, kingside attack, middlegame, skewer, very long. The key move Bxd4+ captures with check, forcing a response.

Position data

FEN: r3k2r/1bq2p2/4pn2/pPbp4/P2N1pB1/2N1P3/1P1B2P1/R2Q1RK1 w kq - 0 17

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