Chess Puzzle #0sAuo — Intermediate, Black to move, endgame

Position

White: king g5; bishop g4; pawn a3. Black: king c5; knight d5; pawn a4. Material is balanced. Black to move.

Solution (6 moves)

1. Opponent setup: Kf5 — king g5→f5. Now Black to move.
2. Best move: Ne3+ — knight d5→e3, gives check. Opponent replies Kg5 (king f5→g5).
3. Best move: Nxg4 — knight e3→g4, captures bishop. Opponent replies Kxg4 (king g5→g4, captures knight).
4. Best move: Kc4 — king c5→c4. Opponent replies Kf4 (king g4→f4).
5. Best move: Kb3 — king c4→b3. Opponent replies Ke3 (king f4→e3).
6. Best move: Kxa3 — king b3→a3, captures pawn. Opponent replies Kd2 (king e3→d2).
7. Best move: Kb2 — king a3→b2.

Tactical themes

crushing, defensive move, endgame, very long. The key move is Ne3+.

Position data

FEN: 8/8/8/2kn2K1/p5B1/P7/8/8 w - - 4 70

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