Chess Puzzle #RGzmA — Expert, White to move, middlegame

Position

White: king g2; queen e5; bishop c5; pawns c4/e3/f2/g3/h3. Black: king h7; queen a4; bishop e8; pawns b2/e4/f7/g6. White is ahead by 1 point of material. White to move.

Solution (2 moves)

1. Opponent setup: b1=Q — pawn b2→b1, promotes to queen. Now White to move.
2. Best move: Bd4 — bishop c5→d4. Opponent replies Qf1+ (queen b1→f1, gives check).
3. Best move: Kxf1 — king g2→f1, captures queen.

Tactical themes

crushing, endgame, quiet move, short. The key move is Bd4.

Position data

FEN: 4b3/5p1k/6p1/2B1Q3/q1P1p3/4P1PP/1p3PK1/8 b - - 0 43

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