Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Lasker-Pelikan_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. f3 Bxc3+ 8.
bxc3 O-O 9. Bb2 d5 10. exd5 Nxd5 11. Bd3 Nf4 12. O-O Qg5 13. Qe1 *
Position (FEN): r1b2rk1/pp3ppp/2n5/4p1q1/5n2/1NPB1P2/PBP3PP/R3QRK1 b - - 5 13
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 1171
Best move: Qxg2#