Chess Puzzle #gC87k — Expert, Black to move, endgame

Position

White: king a1; rook a2; pawns e3/f4/h6. Black: king d3; bishop f8; pawn c2. White is ahead by 4 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kb2 — king a1→b2. Now Black to move.
2. Best move: Bb4 — bishop f8→b4. Opponent replies Ra7 (rook a2→a7).
3. Best move: Bc3+ — bishop b4→c3, gives check. Opponent replies Kb3 (king b2→b3).
4. Best move: c1=Q — pawn c2→c1, promotes to queen.

Tactical themes

advanced pawn, crushing, deflection, endgame, exposed king, long, promotion, quiet move. The key move is Bb4.

Position data

FEN: 5b2/8/7P/8/5P2/3kP3/R1p5/K7 w - - 0 44

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