Chess puzzle (Checkmate)
Opening: Tarrasch_Defense, Tarrasch_Defense_Symmetrical_Variation
Moves: 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c5 5. e3 Nc6 6. cxd5 Nxd5 7. Nxd5 Qxd5 8.
Bb5 Bd7 9. O-O cxd4 10. Bxc6 Bxc6 11. Nxd4 Be7 12. Qe2 *
Position (FEN): r3k2r/pp2bppp/2b1p3/3q4/3N4/4P3/PP2QPPP/R1B2RK1 b kq - 2 12
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 551
Best move: Qxg2#