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

Position

White: king g4; pawns b5/e4. Black: king e5; pawns a5/g5. Material is balanced. White to move.

Solution (5 moves)

1. Opponent setup: a4 — pawn a5→a4. Now White to move.
2. Best move: b6 — pawn b5→b6. Opponent replies Kd6 (king e5→d6).
3. Best move: e5+ — pawn e4→e5, gives check. Opponent replies Kc6 (king d6→c6).
4. Best move: e6 — pawn e5→e6. Opponent replies a3 (pawn a4→a3).
5. Best move: e7 — pawn e6→e7. Opponent replies Kxb6 (king c6→b6, captures pawn).
6. Best move: e8=Q — pawn e7→e8, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, master, pawn endgame, promotion, very long. The key move is b6.

Position data

FEN: 8/8/8/pP2k1p1/4P1K1/8/8/8 b - - 0 44

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