Chess Puzzle #NobB5 — Expert, Black to move, endgame

Position

White: king g4; rook b7; pawns e4/f7/h4/h5. Black: king g7; bishop c1; knight e6; pawns b2/c6/e5. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Kf5 — king g4→f5. Now Black to move.
2. Best move: Nd4+ — knight e6→d4, gives check. Opponent replies Kxe5 (king f5→e5, captures pawn).
3. Best move: Nb5 — knight d4→b5. Opponent replies h6+ (pawn h5→h6, gives check).
4. Best move: Bxh6 — bishop c1→h6, captures pawn. Opponent replies f8=Q+ (pawn f7→f8, promotes to queen, gives check).
5. Best move: Kxf8 — king g7→f8, captures queen.

Tactical themes

crushing, endgame, quiet move, very long. The key move is Nd4+.

Position data

FEN: 8/1R3Pk1/2p1n3/4p2P/4P1KP/8/1p6/2b5 w - - 1 54

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