Chess Puzzle #IBCda — Advanced, Black to move, endgame

Position

White: king d2; knight d6; pawns a2/b2/e3/h6. Black: king g6; pawns a4/b4/c3/d3. White is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: bxc3 — pawn b2→c3, captures pawn. Now Black to move.
2. Best move: b3 — pawn b4→b3. Opponent replies axb3 (pawn a2→b3, captures pawn).
3. Best move: a3 — pawn a4→a3. Opponent replies Nc4 (knight d6→c4).
4. Best move: a2 — pawn a3→a2.

Tactical themes

advanced pawn, advantage, endgame, knight endgame, long. The key move is b3.

Position data

FEN: 8/8/3N2kP/8/pp6/2ppP3/PP1K4/8 w - - 0 53

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