Chess Puzzle #T8R9R — Expert, Black to move, endgame

Position

White: king b5; bishop b2; pawns a6/b3/d4. Black: king d5; knight e6; pawns g6/h3. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: a7 — pawn a6→a7. Now Black to move.
2. Best move: Nc7+ — knight e6→c7, gives check. Opponent replies Kb6 (king b5→b6).
3. Best move: Na8+ — knight c7→a8, gives check. Opponent replies Kb7 (king b6→b7).
4. Best move: h2 — pawn h3→h2. Opponent replies Kxa8 (king b7→a8, captures knight).
5. Best move: h1=Q — pawn h2→h1, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, promotion, very long. The key move is Nc7+.

Position data

FEN: 8/8/P3n1p1/1K1k4/3P4/1P5p/1B6/8 w - - 0 61

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