Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 Nf6 3. Nf3 e6 4. e3 Bd6 5. Bxd6 Qxd6 6. c3 b6 7. Bd3 Ba6 8. Qe2
Bxd3 9. Qxd3 O-O 10. Nbd2 Nbd7 11. O-O c5 12. Rfe1 c4 13. Qe2 Rfe8 14. e4 dxe4
15. Nxe4 Nxe4 16. Qxe4 Nf6 17. Qe2 Nd5 18. Qxc4 Rec8 19. Qd3 Rc4 20. Qxc4 b5
21. Qxb5 Rb8 22. Qe2 h6 23. Rab1 Qb6 24. Ne5 Nf4 25. Qd2 g5 26. Nd7 Qb7 27.
Nxb8 *
Position (FEN): 1N4k1/pq3p2/4p2p/6p1/3P1n2/2P5/PP1Q1PPP/1R2R1K1 b - - 0 27
Black to move.
Themes: Kingside Attack Endgame Mate in 1 
Puzzle rating: 835
Best move: Qxg2#