Chess puzzle (Checkmate)
Opening: Kings_Indian_Defense, Kings_Indian_Defense_Petrosian_Variation
Moves: 1. c4 g6 2. d4 Nf6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 c6 8. O-O
cxd5 9. cxd5 Nh5 10. Nd2 Nf4 11. Bg4 Qg5 12. Bxc8 *
Position (FEN): rnB2rk1/pp3pbp/3p2p1/3Pp1q1/4Pn2/2N5/PP1N1PPP/R1BQ1RK1 b - - 0 12
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 1046
Best move: Qxg2#