Chess Puzzle #v4jmH — Expert, Black to move, endgame

Position

White: king e5; pawns e4/g4. Black: king d3; pawns c5/g5. Material is balanced. Black to move.

Solution (7 moves)

1. Opponent setup: Kd5 — king e5→d5. Now Black to move.
2. Best move: c4 — pawn c5→c4. Opponent replies e5 (pawn e4→e5).
3. Best move: c3 — pawn c4→c3. Opponent replies e6 (pawn e5→e6).
4. Best move: c2 — pawn c3→c2. Opponent replies e7 (pawn e6→e7).
5. Best move: c1=Q — pawn c2→c1, promotes to queen. Opponent replies e8=Q (pawn e7→e8, promotes to queen).
6. Best move: Qc4+ — queen c1→c4, gives check. Opponent replies Kd6 (king d5→d6).
7. Best move: Qd4+ — queen c4→d4, gives check. Opponent replies Kc7 (king d6→c7).
8. Best move: Qa7+ — queen d4→a7, gives check.

Tactical themes

advanced pawn, crushing, endgame, pawn endgame, promotion, quiet move, very long. The key move is c4.

Position data

FEN: 8/8/8/2p1K1p1/4P1P1/3k4/8/8 w - - 1 58

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