Chess Puzzle #SQzWn — Master, White to move, endgame

Position

White: king g4; rook a2; knight d5. Black: king g8; rook d3; pawns d4/g5/h7. Material is balanced. White to move.

Solution (3 moves)

1. Opponent setup: h6 — pawn h7→h6. Now White to move.
2. Best move: Kf5 — king g4→f5. Opponent replies Kf8 (king g8→f8).
3. Best move: Ra8+ — rook a2→a8, gives check. Opponent replies Kg7 (king f8→g7).
4. Best move: Ra7+ — rook a8→a7, gives check.

Tactical themes

crushing, endgame, exposed king, long. The key move is Kf5.

Position data

FEN: 6k1/7p/8/3N2p1/3p2K1/3r4/R7/8 b - - 1 37

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