Chess Puzzle #sIkPg — Expert, White to move, endgame

Position

White: king g4; knight f6; pawns a3/d7/e4/h5. Black: king h8; rook f3; bishop b2; pawns c4/e5/f7. Black is ahead by 4 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Rd3 — rook f3→d3. Now White to move.
2. Best move: Nd5 — knight f6→d5. Opponent replies f5+ (pawn f7→f5, gives check).
3. Best move: Kh4 — king g4→h4. Opponent replies Bxa3 (bishop b2→a3, captures pawn).
4. Best move: d8=Q+ — pawn d7→d8, promotes to queen, gives check.

Tactical themes

advanced pawn, crushing, defensive move, endgame, long, promotion, quiet move. The key move is Nd5.

Position data

FEN: 7k/3P1p2/5N2/4p2P/2p1P1K1/P4r2/1b6/8 b - - 1 38

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