Chess Puzzle #yzNHc — Expert, White to move, endgame

Position

White: king h1; rook a4. Black: king g4; rook b2; knight f3; pawn g5. Black is ahead by 4 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Kg3 — king g4→g3. Now White to move.
2. Best move: Rg4+ — rook a4→g4, gives check. Opponent replies Kh3 (king g3→h3).
3. Best move: Rg3+ — rook g4→g3, gives check. Opponent replies Kh4 (king h3→h4).
4. Best move: Rxf3 — rook g3→f3, captures knight.

Tactical themes

endgame, equality, long. The key move is Rg4+.

Position data

FEN: 8/8/8/6p1/R5k1/5n2/1r6/7K b - - 9 81

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