Chess Puzzle #nSnk4 — Master, White to move, middlegame

Position

White: king d2; queen f3; knight g5; pawns a2/d6/f4/g2/h3. Black: king h8; queen a7; rooks a8/f8; bishop b6; knight h1; pawns a5/b7/f5/g7. Black is ahead by 12 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Rf6 — rook f8→f6. Now White to move.
2. Best move: Qh5+ — queen f3→h5, gives check. Opponent replies Rh6 (rook f6→h6).
3. Best move: Nf7+ — knight g5→f7, gives check. Opponent replies Kh7 (king h8→h7).
4. Best move: Qxf5+ — queen h5→f5, captures pawn, gives check. Opponent replies Kg8 (king h7→g8).
5. Best move: Nxh6+ — knight f7→h6, captures rook, gives check.

Tactical themes

discovered attack, equality, fork, middlegame, very long. The key move Qxf5+ captures with check, forcing a response.

Position data

FEN: r4r1k/qp4p1/1b1P4/p4pN1/5P2/5Q1P/P2K2P1/7n b - - 1 30

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