Chess puzzle (Checkmate)
Moves: 1. d4 c6 2. c4 d5 3. Nf3 Bg4 4. Ne5 Bh5 5. Qb3 Qc7 6. cxd5 cxd5 7. Qxd5 *
Position (FEN): rn2kbnr/ppq1pppp/8/3QN2b/3P4/8/PP2PPPP/RNB1KB1R b KQkq - 0 7
Black to move.
Themes: Hanging Piece Opening Mate in 1 
Puzzle rating: 1143
Best move: Qxc1#