Chess Puzzle #kUySo — Advanced, Black to move, middlegame

Position

White: king g3; knight g1; pawns b3/c4/d3/e5/f4/h4. Black: king f7; bishop d7; pawns b4/c5/d4/e6/f5/h6. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: Nh3 — knight g1→h3. Now Black to move.
2. Best move: Ba4 — bishop d7→a4. Opponent replies bxa4 (pawn b3→a4, captures bishop).
3. Best move: b3 — pawn b4→b3. Opponent replies Ng1 (knight h3→g1).
4. Best move: b2 — pawn b3→b2.

Tactical themes

advanced pawn, crushing, endgame, long, sacrifice. The key move is Ba4.

Position data

FEN: 8/3b1k2/4p2p/2p1Pp2/1pPp1P1P/1P1P2K1/8/6N1 w - - 2 44

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