Chess puzzle (Checkmate)
Moves: 1. c4 Nf6 2. Nc3 e5 3. d3 Bc5 4. e3 O-O 5. Nf3 d5 6. Nxe5 dxc4 7. Nxc4 c6 8. d4
Bb4 9. Bd3 b5 10. Ne5 Nd5 11. Bd2 Bxc3 12. bxc3 f6 13. Nf3 Bg4 14. O-O Nd7 15.
e4 Ne7 16. h3 Bh5 17. Qb3+ Kh8 18. Be2 Bf7 19. Qc2 Ng6 20. a4 a6 21. axb5 axb5
22. Rxa8 Qxa8 23. Bd3 Nb6 24. Qb2 Nc4 25. Qc2 Qa3 26. Rb1 Ra8 27. Rb3 Qa1+ 28.
Rb1 Qa3 29. Kh2 Qd6+ 30. g3 Nxd2 31. Nxd2 Ra2 32. Rb2 Qa3 33. Rxa2 Bxa2 34. e5
fxe5 35. Bxg6 hxg6 36. dxe5 Bf7 37. Nf3 c5 38. Ng5 Be8 39. e6 b4 40. cxb4 Qxb4
41. Nf7+ Kg8 42. Nd6 Bc6 43. e7 Qb8 44. Qd2 Kh7 45. f4 g5 46. Qd3+ g6 47. f5
Qb2+ 48. Kg1 *
Position (FEN): 8/4P2k/2bN2p1/2p2Pp1/8/3Q2PP/1q6/6K1 b - - 2 48
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 996
Best move: Qg2#