Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Alapin_Variation
Moves: 1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nc6 5. Nf3 Nf6 6. Bd3 g6 7. h3 Bg7 8. a3
O-O 9. Be3 a6 10. Nc3 b5 11. O-O Bb7 12. e5 dxe5 13. dxe5 Nd5 14. Nxd5 Qxd5 15.
Be2 Nxe5 16. Nxe5 *
Position (FEN): r4rk1/1b2ppbp/p5p1/1p1qN3/8/P3B2P/1P2BPP1/R2Q1RK1 b - - 0 16
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 909
Best move: Qxg2#