Chess puzzle (Checkmate)
Moves: 1. c4 e5 2. Nc3 Bb4 3. Nd5 Ba5 4. b4 Bb6 5. c5 c6 6. Nxb6 axb6 7. cxb6 Qxb6 8.
a3 d5 9. Bb2 Nd7 10. Nf3 Qc7 11. e3 Ngf6 12. Be2 O-O 13. O-O Re8 14. d3 Nb6 15.
Qc2 Na4 16. Bc1 Bg4 17. h3 Bh5 18. d4 e4 19. Ne5 Bxe2 20. Qxe2 Nd7 21. f4 exf3
22. Nxf3 Nf6 23. Qd2 Ne4 24. Qc2 Nb6 25. Ne5 f6 26. Nd3 Nc4 27. Re1 Qg3 28. Re2
Re7 29. Nc5 Ng5 30. Kh1 b6 31. Nd3 Rae8 32. Nf4 Nxe3 33. Rxe3 Rxe3 34. Bxe3
Rxe3 35. Rf1 Ne6 36. Nxe6 Rxe6 37. Qa4 h5 38. Qa8+ Kh7 39. Qc8 Re2 40. Qf5+ g6
41. Qd7+ Kh6 42. Rg1 Qc3 43. Rf1 Qxd4 44. Qxc6 Qe4 45. Qxf6 *
Position (FEN): 8/8/1p3Qpk/3p3p/1P2q3/P6P/4r1P1/5R1K b - - 0 45
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 693
Best move: Qxg2#