Chess Puzzle #8Kbdz — Expert, Black to move, endgame

Position

White: king g4; rooks a7/g6; pawns a3/d4/g2. Black: king h8; rook g3. White is ahead by 8 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Kh5 — king g4→h5. Now Black to move.
2. Best move: Rg5+ — rook g3→g5, gives check. Opponent replies Kh4 (king h5→h4).
3. Best move: Rg4+ — rook g5→g4, gives check. Opponent replies Kh3 (king h4→h3).
4. Best move: Rg3+ — rook g4→g3, gives check. Opponent replies Kh2 (king h3→h2).
5. Best move: Rxg2+ — rook g3→g2, captures pawn, gives check.

Tactical themes

collinear move, endgame, equality, rook endgame, very long. The key move Rxg2+ captures with check, forcing a response.

Position data

FEN: 7k/R7/6R1/8/3P2K1/P5r1/6P1/8 w - - 2 51

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