Chess Puzzle #u8iFk — Master, White to move, endgame

Position

White: king f4; rook f7; pawn g6. Black: king a7; rook b8; bishop b7; pawns a6/b6/e6. Black is ahead by 5 points of material. White to move.

Solution (5 moves)

1. Opponent setup: Ka8 — king a7→a8. Now White to move.
2. Best move: g7 — pawn g6→g7. Opponent replies e5+ (pawn e6→e5, gives check).
3. Best move: Kxe5 — king f4→e5, captures pawn. Opponent replies Re8+ (rook b8→e8, gives check).
4. Best move: Kd6 — king e5→d6. Opponent replies Ka7 (king a8→a7).
5. Best move: Rf8 — rook f7→f8. Opponent replies Re1 (rook e8→e1).
6. Best move: g8=Q — pawn g7→g8, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, promotion, very long. The key move is g7.

Position data

FEN: 1r6/kb3R2/pp2p1P1/8/5K2/8/8/8 b - - 0 43

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