Chess puzzle (Checkmate)
Opening: English_Opening, English_Opening_Symmetrical_Variation
Moves: 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. Re1 b6 8. e3
Bb7 9. d4 cxd4 10. exd4 d5 11. cxd5 Nxd5 12. Nxd5 Qxd5 13. Be3 Rad8 14. Re2
Nxd4 15. Nxd4 *
Position (FEN): 3r1rk1/pb2ppbp/1p4p1/3q4/3N4/4B1P1/PP2RPBP/R2Q2K1 b - - 0 15
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 550
Best move: Qxg2#