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

Position

White: king c1; rook g8; pawn g4. Black: king d3; rook g2; pawn c4. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: g5 — pawn g4→g5. Now Black to move.
2. Best move: Rg1+ — rook g2→g1, gives check. Opponent replies Kb2 (king c1→b2).
3. Best move: c3+ — pawn c4→c3, gives check. Opponent replies Kb3 (king b2→b3).
4. Best move: Rb1+ — rook g1→b1, gives check.

Tactical themes

crushing, endgame, exposed king, long, rook endgame. The key move is Rg1+.

Position data

FEN: 6R1/8/8/8/2p3P1/3k4/6r1/2K5 w - - 2 56

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