Chess Puzzle #R2iiT — Expert, Black to move, endgame

Position

White: king h1; bishop b6; pawns a7/b2/d4/e7. Black: king e3; bishop c6; pawns d5/f3. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kg1 — king h1→g1. Now Black to move.
2. Best move: f2+ — pawn f3→f2, gives check. Opponent replies Kg2 (king g1→g2).
3. Best move: Ke2 — king e3→e2. Opponent replies a8=Q (pawn a7→a8, promotes to queen).
4. Best move: f1=Q+ — pawn f2→f1, promotes to queen, gives check.

Tactical themes

advanced pawn, bishop endgame, crushing, endgame, long, promotion. The key move is f2+.

Position data

FEN: 8/P3P3/1Bb5/3p4/3P4/4kp2/1P6/7K w - - 0 48

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