Chess Puzzle #R5K59 — Expert, White to move, endgame

Position

White: king g2; knight e8; pawns a5/b6. Black: king f5; rook b1; pawns e5/e6/g6. Black is ahead by 3 points of material. White to move.

Solution (3 moves)

1. Opponent setup: e4 — pawn e5→e4. Now White to move.
2. Best move: b7 — pawn b6→b7. Opponent replies Kf4 (king f5→f4).
3. Best move: a6 — pawn a5→a6. Opponent replies Rb2+ (rook b1→b2, gives check).
4. Best move: Kh3 — king g2→h3.

Tactical themes

advanced pawn, defensive move, endgame, equality, long. The key move is b7.

Position data

FEN: 4N3/8/1P2p1p1/P3pk2/8/8/6K1/1r6 b - - 5 46

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