Chess Puzzle #gl72m — Expert, Black to move, endgame

Position

White: king e3; bishop d3; knight e8. Black: king e5; rook a3; pawn g4. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Ng7 — knight e8→g7. Now Black to move.
2. Best move: g3 — pawn g4→g3. Opponent replies Nh5 (knight g7→h5).
3. Best move: Rxd3+ — rook a3→d3, captures bishop, gives check. Opponent replies Kxd3 (king e3→d3, captures rook).
4. Best move: g2 — pawn g3→g2. Opponent replies Ng3 (knight h5→g3).
5. Best move: g1=Q — pawn g2→g1, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, exposed king, promotion, sacrifice, very long. The key move Rxd3+ captures with check, forcing a response.

Position data

FEN: 4N3/8/8/4k3/6p1/r2BK3/8/8 w - - 0 57

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