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

Position

White: king f1; rook b7; pawns a5/g2/h3. Black: king g8; rook f6; pawns d4/e4/f5/g7/h7. Black is ahead by 2 points of material. White to move.

Solution (3 moves)

1. Opponent setup: e3 — pawn e4→e3. Now White to move.
2. Best move: Rb8+ — rook b7→b8, gives check. Opponent replies Kf7 (king g8→f7).
3. Best move: Rb6 — rook b8→b6. Opponent replies f4 (pawn f5→f4).
4. Best move: Rxf6+ — rook b6→f6, captures rook, gives check.

Tactical themes

crushing, endgame, long, rook endgame. The key move Rxf6+ captures with check, forcing a response.

Position data

FEN: 6k1/1R4pp/5r2/P4p2/3pp3/7P/6P1/5K2 b - - 0 36

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