Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Kan_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 b5 7. O-O Nf6 8. a4
Bb7 9. axb5 axb5 10. Rxa8 Bxa8 11. Ndxb5 Qb7 12. e5 *
Position (FEN): bn2kb1r/1q1p1ppp/4pn2/1N2P3/8/2NB4/1PP2PPP/2BQ1RK1 b k - 0 12
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 1056
Best move: Qxg2#