Chess Puzzle #Mmu4N — Expert, Black to move, middlegame

Position

White: king g1; bishop d7; knight c6; pawns a2/f2/g3/h3. Black: king f6; knight d3; pawns a4/b4/g6/h6. White is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kf1 — king g1→f1. 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 Nd4 (knight c6→d4).
4. Best move: Nb4 — knight d3→b4.

Tactical themes

advantage, defensive move, endgame, long. The key move is b3.

Position data

FEN: 8/3B4/2N2kpp/8/pp6/3n2PP/P4P2/6K1 w - - 0 38

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