Chess Puzzle #Ebgjf — Advanced, Black to move, endgame

Position

White: king g1; queen g6; bishop b6; pawns a2/b3/g2/h4. Black: king b5; queen d2; bishop g4; pawns a5/d3. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Bd4 — bishop b6→d4. Now Black to move.
2. Best move: Qc1+ — queen d2→c1, gives check. Opponent replies Kh2 (king g1→h2).
3. Best move: Qf4+ — queen c1→f4, gives check. Opponent replies g3 (pawn g2→g3).
4. Best move: Qxd4 — queen f4→d4, captures bishop.

Tactical themes

crushing, endgame, fork, long. The key move is Qc1+.

Position data

FEN: 8/8/1B4Q1/pk6/6bP/1P1p4/P2q2P1/6K1 w - - 4 45

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