Chess Puzzle #0LuaX — Intermediate, White to move, endgame

Position

White: king b3; knight e5; pawns a6/b4/c3/d4. Black: king d6; rook e3; pawns b5/d5. Material is balanced. White to move.

Solution (3 moves)

1. Opponent setup: Rh3 — rook e3→h3. Now White to move.
2. Best move: a7 — pawn a6→a7. Opponent replies Rh8 (rook h3→h8).
3. Best move: Nf7+ — knight e5→f7, gives check. Opponent replies Kc6 (king d6→c6).
4. Best move: Nxh8 — knight f7→h8, captures rook.

Tactical themes

advanced pawn, crushing, endgame, fork, long. The key move is a7.

Position data

FEN: 8/8/P2k4/1p1pN3/1P1P4/1KP1r3/8/8 b - - 0 55

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