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

Position

White: king g1; rook c3. Black: king g4; pawns f4/g3/h2. White is ahead by 2 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Kg2 — king g1→g2. Now Black to move.
2. Best move: f3+ — pawn f4→f3, gives check. Opponent replies Kh1 (king g2→h1).
3. Best move: f2 — pawn f3→f2. Opponent replies Rxg3+ (rook c3→g3, captures pawn, gives check).
4. Best move: Kf4 — king g4→f4. Opponent replies Kxh2 (king h1→h2, captures pawn).
5. Best move: f1=Q — pawn f2→f1, promotes to queen.

Tactical themes

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

Position data

FEN: 8/8/8/8/5pk1/2R3p1/7p/6K1 w - - 0 73

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