Chess Puzzle #0V5dp — Master, Black to move, endgame

Position

White: king d5; rook g6; pawn a4. Black: king b7; rook b2; pawn c3. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: a5 — pawn a4→a5. Now Black to move.
2. Best move: Rd2+ — rook b2→d2, gives check. Opponent replies Ke4 (king d5→e4).
3. Best move: c2 — pawn c3→c2. Opponent replies a6+ (pawn a5→a6, gives check).
4. Best move: Kc7 — king b7→c7. Opponent replies a7 (pawn a6→a7).
5. Best move: c1=Q — pawn c2→c1, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, promotion, rook endgame, very long. The key move is Rd2+.

Position data

FEN: 8/1k6/6R1/3K4/P7/2p5/1r6/8 w - - 0 51

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