Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 d6 3. Nc3 Bg4 4. Bc4 Be7 5. h3 Bh5 6. O-O Nf6 7. Be2 O-O 8. d4
exd4 9. Qxd4 Nc6 10. Qc4 Bg6 11. Be3 a6 12. a4 Na5 13. Qb4 c5 14. Qa3 Nxe4 15.
Nxe4 Bxe4 16. b4 cxb4 17. Qxb4 Bxc2 18. Bb6 d5 19. Qxa5 Qd6 20. Rac1 Be4 21.
Bc7 Qg6 22. Qc3 Rac8 23. Qe5 Bf6 24. Qf4 Rfe8 25. Be5 Bxe5 26. Rxc8 Rxc8 27.
Nxe5 *
Position (FEN): 2r3k1/1p3ppp/p5q1/3pN3/P3bQ2/7P/4BPP1/5RK1 b - - 0 27
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 639
Best move: Qxg2#