Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 a6 7. Be2 Bf5 8. Nf3
Rc8 9. O-O Bg4 10. Ne5 Bxe2 11. Qxe2 e6 12. Rfc1 Be7 13. Na4 Nxe5 14. Bxe5 O-O
15. Bxf6 gxf6 16. Nc5 Bxc5 17. dxc5 Qa5 18. Qg4+ Kh8 19. b4 Qd8 20. Rc3 Rg8 21.
Qf4 e5 22. Qf3 b6 23. Rac1 d4 24. exd4 exd4 25. Rc4 bxc5 26. bxc5 Rg5 27. c6 d3
28. c7 Rxc7 29. Rxc7 d2 30. Rd1 Re5 31. g3 Re1+ 32. Kg2 Rxd1 33. Qxd1 Qxc7 34.
Qxd2 Qc4 35. h4 Kg7 36. Qb2 Qe4+ 37. f3 Qc4 38. g4 h6 39. h5 a5 40. Qb3 Qe2+
41. Kg3 Qe5+ 42. Kg2 f5 43. Qc4 fxg4 44. fxg4 Qe3 45. a4 Qe5 46. Kf3 Qf6+ 47.
Qf4 Qa1 48. Qe4 Qa3+ 49. Kf4 Qc1+ 50. Kf5 *
Position (FEN): 8/5pk1/7p/p4K1P/P3Q1P1/8/8/2q5 b - - 10 50
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1204
Best move: Qg5#