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

Position

White: king f4; pawns a4/g5/h6. Black: king b2; pawns a5/b6/c4/g7. Black is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: gxh6 — pawn g7→h6, captures pawn. Now White to move.
2. Best move: gxh6 — pawn g5→h6, captures pawn. Opponent replies c3 (pawn c4→c3).
3. Best move: h7 — pawn h6→h7. Opponent replies Kb1 (king b2→b1).
4. Best move: h8=Q — pawn h7→h8, promotes to queen. Opponent replies c2 (pawn c3→c2).
5. Best move: Qh7 — queen h8→h7.

Tactical themes

advanced pawn, crushing, endgame, pawn endgame, promotion, very long. The key move gxh6 wins material.

Position data

FEN: 8/6p1/1p5P/p5P1/P1p2K2/8/1k6/8 b - - 0 43

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