Chess Puzzle #GCnZQ — Advanced, Black to move, middlegame

Position

White: king g1; rook c7; pawns a2/d6/e5/g3/h2. Black: king e8; rook d7; pawns a6/e6/g6/h7. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kf2 — king g1→f2. Now Black to move.
2. Best move: Rxc7 — rook d7→c7, captures rook. Opponent replies dxc7 (pawn d6→c7, captures rook).
3. Best move: Kd7 — king e8→d7. Opponent replies c8=R (pawn c7→c8, promotes to rook).
4. Best move: Kxc8 — king d7→c8, captures rook.

Tactical themes

endgame, equality, long, rook endgame. The key move Rxc7 wins material.

Position data

FEN: 4k3/2Rr3p/p2Pp1p1/4P3/8/6P1/P6P/6K1 w - - 3 35

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