Chess Puzzle #nutPK — Expert, Black to move, endgame

Position

White: king b6; knight g4; pawns a3/a6/e5/f4. Black: king a8; bishop d5; pawns b4/e6/g6. White is ahead by 1 point of material. Black to move.

Solution (5 moves)

1. Opponent setup: Nf6 — knight g4→f6. Now Black to move.
2. Best move: b3 — pawn b4→b3. Opponent replies Ne8 (knight f6→e8).
3. Best move: b2 — pawn b3→b2. Opponent replies Nc7+ (knight e8→c7, gives check).
4. Best move: Kb8 — king a8→b8. Opponent replies a7+ (pawn a6→a7, gives check).
5. Best move: Kc8 — king b8→c8. Opponent replies Nxd5 (knight c7→d5, captures bishop).
6. Best move: b1=Q+ — pawn b2→b1, promotes to queen, gives check.

Tactical themes

advanced pawn, crushing, endgame, promotion, very long. The key move is b3.

Position data

FEN: k7/8/PK2p1p1/3bP3/1p3PN1/P7/8/8 w - - 2 62

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