Chess Puzzle #0iRPY — Advanced, White to move, endgame

Position

White: king c4; knight b3; pawns b5/f3/f4/h2. Black: king e5; bishop c5; pawns b6/d4/g7/h5. Material is balanced. White to move.

Solution (4 moves)

1. Opponent setup: Kxf4 — king e5→f4, captures pawn. Now White to move.
2. Best move: Nxc5 — knight b3→c5, captures bishop. Opponent replies bxc5 (pawn b6→c5, captures knight).
3. Best move: b6 — pawn b5→b6. Opponent replies Ke3 (king f4→e3).
4. Best move: b7 — pawn b6→b7. Opponent replies d3 (pawn d4→d3).
5. Best move: b8=Q — pawn b7→b8, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, master, promotion, very long. The key move Nxc5 wins material.

Position data

FEN: 8/6p1/1p6/1Pb1k2p/2Kp1P2/1N3P2/7P/8 b - - 0 42

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