Chess Puzzle #2GdCH — Expert, White to move, endgame

Position

White: king f4; pawns a3/g4. Black: king c4; pawns a4/b6. Material is balanced. White to move.

Solution (6 moves)

1. Opponent setup: b5 — pawn b6→b5. Now White to move.
2. Best move: g5 — pawn g4→g5. Opponent replies Kd5 (king c4→d5).
3. Best move: g6 — pawn g5→g6. Opponent replies Ke6 (king d5→e6).
4. Best move: Kg5 — king f4→g5. Opponent replies b4 (pawn b5→b4).
5. Best move: Kh6 — king g5→h6. Opponent replies b3 (pawn b4→b3).
6. Best move: g7 — pawn g6→g7. Opponent replies b2 (pawn b3→b2).
7. Best move: g8=Q+ — pawn g7→g8, promotes to queen, gives check.

Tactical themes

advanced pawn, crushing, endgame, pawn endgame, promotion, quiet move, very long. The key move is g5.

Position data

FEN: 8/8/1p6/8/p1k2KP1/P7/8/8 b - - 0 43

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