Chess Puzzle #7WBx7 — Advanced, Black to move, endgame

Position

White: king c5; knight g3; pawns a5/h2. Black: king e3; pawns a6/f3/g5/h6. White is ahead by 1 point of material. Black to move.

Solution (7 moves)

1. Opponent setup: Kb6 — king c5→b6. Now Black to move.
2. Best move: f2 — pawn f3→f2. Opponent replies Kxa6 (king b6→a6, captures pawn).
3. Best move: h5 — pawn h6→h5. Opponent replies Kb6 (king a6→b6).
4. Best move: h4 — pawn h5→h4. Opponent replies Nf1+ (knight g3→f1, gives check).
5. Best move: Ke2 — king e3→e2. Opponent replies a6 (pawn a5→a6).
6. Best move: Kxf1 — king e2→f1, captures knight. Opponent replies a7 (pawn a6→a7).
7. Best move: Kg1 — king f1→g1. Opponent replies a8=Q (pawn a7→a8, promotes to queen).
8. Best move: f1=Q — pawn f2→f1, promotes to queen.

Tactical themes

advanced pawn, clearance, crushing, defensive move, endgame, knight endgame, promotion, quiet move, trapped piece, very long. The key move is f2.

Position data

FEN: 8/8/p6p/P1K3p1/8/4kpN1/7P/8 w - - 2 46

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