Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. e3 d6 3. Be2 Bf5 4. Nf3 e6 5. Nh4 Be4 6. O-O Nbd7 7. Nd2 Bc6 8. b4
a6 9. c4 b6 10. b5 axb5 11. cxb5 Bb7 12. a4 Nd5 13. Nhf3 Nc3 14. Qe1 Nxe2+ 15.
Qxe2 Be7 16. e4 O-O 17. Qc4 d5 18. exd5 Bxd5 19. Qc3 Nf6 20. Bb2 Bd6 21. Rac1
Rxa4 22. Ne5 Qa8 23. Ra1 Rxa1 24. Rxa1 Qb7 25. h3 Bxg2 26. Ndc4 Bxh3 27. Nxd6 *
Position (FEN): 5rk1/1qp2ppp/1p1Npn2/1P2N3/3P4/2Q4b/1B3P2/R5K1 b - - 0 27
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 745
Best move: Qg2#