Chess Puzzle #yr3Ih — Expert, Black to move, endgame

Position

White: king g4; rook e3; pawns b3/c3/f5/g5. Black: king f7; rook g2; pawns a7/c5/c6/d5. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Rg3 — rook e3→g3. Now Black to move.
2. Best move: Rxg3+ — rook g2→g3, captures rook, gives check. Opponent replies Kxg3 (king g4→g3, captures rook).
3. Best move: a5 — pawn a7→a5. Opponent replies Kf4 (king g3→f4).
4. Best move: c4 — pawn c5→c4. Opponent replies bxc4 (pawn b3→c4, captures pawn).
5. Best move: a4 — pawn a5→a4.

Tactical themes

crushing, defensive move, endgame, quiet move, rook endgame, very long. The key move Rxg3+ captures with check, forcing a response.

Position data

FEN: 8/p4k2/2p5/2pp1PP1/6K1/1PP1R3/6r1/8 w - - 2 40

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