Chess Puzzle #V3nuh — Expert, Black to move, endgame

Position

White: king c5; queen d8; pawn c4. Black: king f1; queen g1; pawn f4. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Qd4 — queen d8→d4. Now Black to move.
2. Best move: f3 — pawn f4→f3. Opponent replies Qxg1+ (queen d4→g1, captures queen, gives check).
3. Best move: Kxg1 — king f1→g1, captures queen. Opponent replies Kb6 (king c5→b6).
4. Best move: f2 — pawn f3→f2. Opponent replies c5 (pawn c4→c5).
5. Best move: f1=Q — pawn f2→f1, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, promotion, queen endgame, very long. The key move is f3.

Position data

FEN: 3Q4/8/8/2K5/2P2p2/8/8/5kq1 w - - 0 52

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