Chess Puzzle #30CBJ — Intermediate, Black to move, endgame

Position

White: king e5; pawns a2/d4/g4/h3. Black: king c4; pawns a7/c6/g5/g6. Material is balanced. Black to move.

Solution (6 moves)

1. Opponent setup: Kf6 — king e5→f6. Now Black to move.
2. Best move: Kxd4 — king c4→d4, captures pawn. Opponent replies Kxg5 (king f6→g5, captures pawn).
3. Best move: c5 — pawn c6→c5. Opponent replies Kxg6 (king g5→g6, captures pawn).
4. Best move: c4 — pawn c5→c4. Opponent replies h4 (pawn h3→h4).
5. Best move: c3 — pawn c4→c3. Opponent replies h5 (pawn h4→h5).
6. Best move: c2 — pawn c3→c2. Opponent replies h6 (pawn h5→h6).
7. Best move: c1=Q — pawn c2→c1, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, pawn endgame, promotion, quiet move, very long. The key move Kxd4 wins material.

Position data

FEN: 8/p7/2p3p1/4K1p1/2kP2P1/7P/P7/8 w - - 2 45

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