Chess Puzzle #M2zmV — Master, White to move, endgame

Position

White: king g4; pawns f2/f5/g7. Black: king e5; rook b6; pawn c7. Black is ahead by 3 points of material. White to move.

Solution (7 moves)

1. Opponent setup: Rb8 — rook b6→b8. Now White to move.
2. Best move: Kg5 — king g4→g5. Opponent replies Rb1 (rook b8→b1).
3. Best move: f4+ — pawn f2→f4, gives check. Opponent replies Ke4 (king e5→e4).
4. Best move: f6 — pawn f5→f6. Opponent replies Rg1+ (rook b1→g1, gives check).
5. Best move: Kh4 — king g5→h4. Opponent replies Kxf4 (king e4→f4, captures pawn).
6. Best move: Kh3 — king h4→h3. Opponent replies Ke5 (king f4→e5).
7. Best move: f7 — pawn f6→f7. Opponent replies Rxg7 (rook g1→g7, captures pawn).
8. Best move: f8=Q — pawn f7→f8, promotes to queen.

Tactical themes

advanced pawn, advantage, endgame, promotion, rook endgame, very long. The key move is Kg5.

Position data

FEN: 8/2p3P1/1r6/4kP2/6K1/8/5P2/8 b - - 0 50

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