Chess Puzzle #Oeg4v — Expert, Black to move, endgame

Position

White: king d3; knights d2/e1; pawns e3/g4/h3. Black: king d5; rook a2; pawns b4/c5/g5/h6. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: Nc2 — knight e1→c2. Now Black to move.
2. Best move: c4+ — pawn c5→c4, gives check. Opponent replies Nxc4 (knight d2→c4, captures pawn).
3. Best move: Rxc2 — rook a2→c2, captures knight. Opponent replies Nb6+ (knight c4→b6, gives check).
4. Best move: Kc6 — king d5→c6.

Tactical themes

crushing, endgame, long. The key move is c4+.

Position data

FEN: 8/8/7p/2pk2p1/1p4P1/3KP2P/r2N4/4N3 w - - 2 47

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