Chess Puzzle #JIf4H — Expert, Black to move, endgame

Position

White: king h6; bishop e3; pawns a4/b4/c3/g5. Black: king f7; knight h4; pawns a6/b7/c6/d5. Material is balanced. Black to move.

Solution (6 moves)

1. Opponent setup: a5 — pawn a4→a5. Now Black to move.
2. Best move: Nf5+ — knight h4→f5, gives check. Opponent replies Kh7 (king h6→h7).
3. Best move: Nxe3 — knight f5→e3, captures bishop. Opponent replies g6+ (pawn g5→g6, gives check).
4. Best move: Ke7 — king f7→e7. Opponent replies g7 (pawn g6→g7).
5. Best move: Ng4 — knight e3→g4. Opponent replies g8=Q (pawn g7→g8, promotes to queen).
6. Best move: Nf6+ — knight g4→f6, gives check. Opponent replies Kg6 (king h7→g6).
7. Best move: Nxg8 — knight f6→g8, captures queen.

Tactical themes

crushing, endgame, fork, quiet move, very long. The key move is Nf5+.

Position data

FEN: 8/1p3k2/p1p4K/3p2P1/PP5n/2P1B3/8/8 w - - 9 58

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