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

Position

White: king d3; rook g5; pawns g3/h7. Black: king b2; queen c1; pawns a7/b7/d4. Black is ahead by 5 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: h8=Q — pawn h7→h8, promotes to queen. Now Black to move.
2. Best move: Qc2+ — queen c1→c2, gives check. Opponent replies Kxd4 (king d3→d4, captures pawn).
3. Best move: Qc3+ — queen c2→c3, gives check. Opponent replies Ke4 (king d4→e4).
4. Best move: Qxh8 — queen c3→h8, captures queen.

Tactical themes

crushing, endgame, exposed king, long, skewer. The key move is Qc2+.

Position data

FEN: 8/pp5P/8/6R1/3p4/3K2P1/1k6/2q5 w - - 0 51

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