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

Position

White: king f5; rook e3; pawns c4/d3/e5/h3. Black: king g7; rook g2; pawns a3/c5/f7/h5. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: d4 — pawn d3→d4. Now Black to move.
2. Best move: a2 — pawn a3→a2. Opponent replies Ra3 (rook e3→a3).
3. Best move: cxd4 — pawn c5→d4, captures pawn. Opponent replies Ke4 (king f5→e4).
4. Best move: d3 — pawn d4→d3. Opponent replies Ra5 (rook a3→a5).
5. Best move: d2 — pawn d3→d2.

Tactical themes

advanced pawn, crushing, endgame, rook endgame, very long. The key move is a2.

Position data

FEN: 8/5pk1/8/2p1PK1p/2P5/p2PR2P/6r1/8 w - - 0 52

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