Chess Puzzle #SeQg6 — Expert, White to move, middlegame

Position

White: king h2; queen h7; rook g2; knight h5; pawns a3/b4/d5/e3/e4/f5/h3. Black: king e8; queen e7; rooks c3/f7; pawns a6/b7/d6/e5/f6/g7/h6. Black is ahead by 2 points of material. White to move.

Solution (4 moves)

1. Opponent setup: g5 — pawn g7→g5. Now White to move.
2. Best move: fxg6 — pawn f5→g6, captures pawn. Opponent replies Rxh7 (rook f7→h7, captures queen).
3. Best move: gxh7 — pawn g6→h7, captures rook. Opponent replies Qxh7 (queen e7→h7, captures pawn).
4. Best move: Nxf6+ — knight h5→f6, captures pawn, gives check. Opponent replies Kd8 (king e8→d8).
5. Best move: Nxh7 — knight f6→h7, captures queen.

Tactical themes

advanced pawn, advantage, attraction, en passant, endgame, exposed king, fork, sacrifice, very long. The key move Nxf6+ captures with check, forcing a response.

Position data

FEN: 4k3/1p2qrpQ/p2p1p1p/3PpP1N/1P2P3/P1r1P2P/6RK/8 b - - 9 35

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