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

Position

White: king g4; bishop d5; pawns a2/b2/e6/f7. Black: king e7; rook f8; pawns a7/b6/g5. Black is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: Kd6 — king e7→d6. Now White to move.
2. Best move: Kxg5 — king g4→g5, captures pawn. Opponent replies Ke7 (king d6→e7).
3. Best move: Kg6 — king g5→g6. Opponent replies Rd8 (rook f8→d8).
4. Best move: Kg7 — king g6→g7. Opponent replies Rxd5 (rook d8→d5, captures bishop).
5. Best move: f8=Q+ — pawn f7→f8, promotes to queen, gives check.

Tactical themes

advanced pawn, crushing, endgame, promotion, very long. The key move Kxg5 wins material.

Position data

FEN: 5r2/p3kP2/1p2P3/3B2p1/6K1/8/PP6/8 b - - 3 46

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