Chess Puzzle #vYnjq — Master, Black to move, middlegame

Position

White: king a6; bishop d2; pawns c3/d4/f3/f4/h4. Black: king c6; knight d3; pawns b5/d5/f5/g6/h5. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Ka7 — king a6→a7. Now Black to move.
2. Best move: b4 — pawn b5→b4. Opponent replies cxb4 (pawn c3→b4, captures pawn).
3. Best move: Kb5 — king c6→b5. Opponent replies Kb7 (king a7→b7).
4. Best move: Nxb4 — knight d3→b4, captures pawn. Opponent replies Kc7 (king b7→c7).
5. Best move: Nc2 — knight b4→c2.

Tactical themes

crushing, endgame, intermezzo, very long. The key move is b4.

Position data

FEN: 8/8/K1k3p1/1p1p1p1p/3P1P1P/2Pn1P2/3B4/8 w - - 20 47

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