Chess Puzzle #2wxmZ — Master, White to move, endgame

Position

White: king d6; rook a6; pawn c6. Black: king c4; rook b3; pawns a3/d5. Black is ahead by 1 point of material. White to move.

Solution (5 moves)

1. Opponent setup: Kb4 — king c4→b4. Now White to move.
2. Best move: c7 — pawn c6→c7. Opponent replies Rc3 (rook b3→c3).
3. Best move: Rb6+ — rook a6→b6, gives check. Opponent replies Ka5 (king b4→a5).
4. Best move: Rc6 — rook b6→c6. Opponent replies Rxc6+ (rook c3→c6, captures rook, gives check).
5. Best move: Kxc6 — king d6→c6, captures rook. Opponent replies a2 (pawn a3→a2).
6. Best move: c8=Q — pawn c7→c8, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, promotion, rook endgame, very long. The key move is c7.

Position data

FEN: 8/8/R1PK4/3p4/2k5/pr6/8/8 b - - 0 63

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