Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 c6 3. e3 Bg4 4. c4 dxc4 5. Bxc4 e6 6. Nc3 Bb4 7. Bd2 Bxc3 8.
Bxc3 Nf6 9. O-O O-O 10. Be2 Nd5 11. Bd2 Nd7 12. h3 Bh5 13. Qc2 Bg6 14. Bd3 Qf6
15. Bxg6 fxg6 16. a3 Rf7 17. Bc3 Nxc3 18. bxc3 Nb6 19. Ne5 Nd5 20. Nxf7 Qxf7
21. c4 Nf6 22. Rab1 b6 23. c5 b5 24. a4 a6 25. Ra1 b4 26. Qc4 a5 27. f3 Nd5 28.
Rfe1 Qf6 29. e4 Nf4 30. Kh2 Qg5 31. g3 Nh5 32. Rg1 Kf7 33. f4 Nxf4 34. gxf4
Qxf4+ 35. Kh1 Qf3+ 36. Rg2 Qxh3+ 37. Kg1 Ke7 38. Rf1 Qe3+ 39. Rff2 Qxe4 40. Re2
Qb1+ 41. Kh2 Qf5 42. Rgf2 Qh5+ 43. Kg1 Qg4+ 44. Kh1 Qh3+ 45. Rh2 *
Position (FEN): r7/4k1pp/2p1p1p1/p1P5/PpQP4/7q/4R2R/7K b - - 11 45
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 814
Best move: Qf1#