Chess Puzzle #ehP5C — Advanced, Black to move, endgame

Position

White: king b5; pawns a3/b3/h3. Black: king f4; pawns a5/g5. White is ahead by 1 point of material. Black to move.

Solution (7 moves)

1. Opponent setup: Kc4 — king b5→c4. Now Black to move.
2. Best move: Kg3 — king f4→g3. Opponent replies b4 (pawn b3→b4).
3. Best move: axb4 — pawn a5→b4, captures pawn. Opponent replies axb4 (pawn a3→b4, captures pawn).
4. Best move: Kxh3 — king g3→h3, captures pawn. Opponent replies b5 (pawn b4→b5).
5. Best move: g4 — pawn g5→g4. Opponent replies b6 (pawn b5→b6).
6. Best move: g3 — pawn g4→g3. Opponent replies b7 (pawn b6→b7).
7. Best move: g2 — pawn g3→g2. Opponent replies b8=Q (pawn b7→b8, promotes to queen).
8. Best move: g1=Q — pawn g2→g1, promotes to queen.

Tactical themes

advanced pawn, endgame, equality, pawn endgame, promotion, quiet move, very long. The key move is Kg3.

Position data

FEN: 8/8/8/pK4p1/5k2/PP5P/8/8 w - - 1 61

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