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

Position

White: king g2; bishop d2; pawns c3/d4/f5/g4/h3. Black: king h8; knight g7; pawns a4/b5/d3. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Bc1 — bishop d2→c1. Now Black to move.
2. Best move: a3 — pawn a4→a3. Opponent replies Kf3 (king g2→f3).
3. Best move: d2 — pawn d3→d2. Opponent replies Bxd2 (bishop c1→d2, captures pawn).
4. Best move: a2 — pawn a3→a2.

Tactical themes

advanced pawn, advantage, endgame, long. The key move is a3.

Position data

FEN: 7k/6n1/8/1p3P2/p2P2P1/2Pp3P/3B2K1/8 w - - 0 44

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