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

Position

White: king e2; pawns b4/c3/d4/g4. Black: king e4; pawns a6/b5/f4/g5. Material is balanced. Black to move.

Solution (7 moves)

1. Opponent setup: Kf2 — king e2→f2. Now Black to move.
2. Best move: f3 — pawn f4→f3. Opponent replies Kf1 (king f2→f1).
3. Best move: Kf4 — king e4→f4. Opponent replies d5 (pawn d4→d5).
4. Best move: Ke5 — king f4→e5. Opponent replies d6 (pawn d5→d6).
5. Best move: Kxd6 — king e5→d6, captures pawn. Opponent replies Kf2 (king f1→f2).
6. Best move: Kd5 — king d6→d5. Opponent replies Kxf3 (king f2→f3, captures pawn).
7. Best move: Kc4 — king d5→c4. Opponent replies Ke2 (king f3→e2).
8. Best move: Kxc3 — king c4→c3, captures pawn.

Tactical themes

crushing, endgame, pawn endgame, very long, zugzwang. The key move is f3.

Position data

FEN: 8/8/p7/1p4p1/1P1PkpP1/2P5/4K3/8 w - - 3 44

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