Chess Puzzle #RKOhf — Advanced, White to move, endgame

Position

White: king d4; pawns b5/c6/g4. Black: king d6; bishop a8; pawns g7/h7. Black is ahead by 2 points of material. White to move.

Solution (4 moves)

1. Opponent setup: g6 — pawn g7→g6. Now White to move.
2. Best move: g5 — pawn g4→g5. Opponent replies Bxc6 (bishop a8→c6, captures pawn).
3. Best move: bxc6 — pawn b5→c6, captures bishop. Opponent replies Kxc6 (king d6→c6, captures pawn).
4. Best move: Ke5 — king d4→e5. Opponent replies h6 (pawn h7→h6).
5. Best move: gxh6 — pawn g5→h6, captures pawn.

Tactical themes

bishop endgame, crushing, endgame, quiet move, very long, zugzwang. The key move is g5.

Position data

FEN: b7/6pp/2Pk4/1P6/3K2P1/8/8/8 b - - 2 51

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