Chess Puzzle #fgbLZ — Expert, White to move, middlegame

Position

White: king c6; rook a7; knight g5; pawns a3/h3/h4. Black: king d8; queen d4; pawns a5/b6/c5/g7/h5. Black is ahead by 3 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Qxh4 — queen d4→h4, captures pawn. Now White to move.
2. Best move: Nf7+ — knight g5→f7, gives check. Opponent replies Ke8 (king d8→e8).
3. Best move: Nd6+ — knight f7→d6, gives check. Opponent replies Kf8 (king e8→f8).
4. Best move: Ra8+ — rook a7→a8, gives check. Opponent replies Ke7 (king f8→e7).
5. Best move: Nf5+ — knight d6→f5, gives check.

Tactical themes

crushing, endgame, exposed king, very long. The key move is Nf7+.

Position data

FEN: 3k4/R5p1/1pK5/p1p3Np/3q3P/P6P/8/8 b - - 3 42

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