Chess Puzzle #KMhaO — Advanced, White to move, endgame

Position

White: king f3; knight e4; pawns d6/e6/g3/h4. Black: king f8; bishop c5; pawns a4/b6/g6/h7. Material is balanced. White to move.

Solution (3 moves)

1. Opponent setup: a3 — pawn a4→a3. Now White to move.
2. Best move: e7+ — pawn e6→e7, gives check. Opponent replies Kf7 (king f8→f7).
3. Best move: Nf6 — knight e4→f6. Opponent replies Kxf6 (king f7→f6, captures knight).
4. Best move: e8=Q — pawn e7→e8, promotes to queen.

Tactical themes

advanced pawn, crushing, deflection, endgame, long, promotion. The key move is e7+.

Position data

FEN: 5k2/7p/1p1PP1p1/2b5/p3N2P/5KP1/8/8 b - - 0 46

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