Chess Puzzle #peGRz — Advanced, Black to move, endgame

Position

White: king g6; rook g7; knight f4; pawns d5/e4/h5. Black: king h8; rook e8; pawns d6/f3/h6. White is ahead by 3 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Ne6 — knight f4→e6. Now Black to move.
2. Best move: Rg8 — rook e8→g8. Opponent replies Rxg8+ (rook g7→g8, captures rook, gives check).
3. Best move: Kxg8 — king h8→g8, captures rook. Opponent replies Kf6 (king g6→f6).
4. Best move: f2 — pawn f3→f2. Opponent replies Ke7 (king f6→e7).
5. Best move: f1=Q — pawn f2→f1, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, promotion, very long. The key move is Rg8.

Position data

FEN: 4r2k/6R1/3p2Kp/3P3P/4PN2/5p2/8/8 w - - 2 60

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