Chess Puzzle #6dWsP — Expert, Black to move, endgame

Position

White: king b1; rook h7; knight g4; pawns a3/b2/c2. Black: king d6; rook e8; bishop f4; pawns a5/b4/c4. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: Rf7 — rook h7→f7. Now Black to move.
2. Best move: b3 — pawn b4→b3. Opponent replies cxb3 (pawn c2→b3, captures pawn).
3. Best move: cxb3 — pawn c4→b3, captures pawn. Opponent replies Rd7+ (rook f7→d7, gives check).
4. Best move: Kxd7 — king d6→d7, captures rook.

Tactical themes

crushing, endgame, long. The key move is b3.

Position data

FEN: 4r3/7R/3k4/p7/1pp2bN1/P7/1PP5/1K6 w - - 0 44

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