Chess Puzzle #1wmlA — Advanced, White to move, endgame

Position

White: king d3; pawns a2/b3/c5/h4. Black: king f4; pawns a3/b4/g4/g6. Material is balanced. White to move.

Solution (4 moves)

1. Opponent setup: Kf3 — king f4→f3. Now White to move.
2. Best move: c6 — pawn c5→c6. Opponent replies g3 (pawn g4→g3).
3. Best move: c7 — pawn c6→c7. Opponent replies g2 (pawn g3→g2).
4. Best move: c8=Q — pawn c7→c8, promotes to queen. Opponent replies g1=Q (pawn g2→g1, promotes to queen).
5. Best move: Qc6+ — queen c8→c6, gives check.

Tactical themes

advanced pawn, crushing, endgame, pawn endgame, promotion, very long. The key move is c6.

Position data

FEN: 8/8/6p1/2P5/1p3kpP/pP1K4/P7/8 b - - 0 40

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