Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 Bb4 5. Qd3 Ne7 6. Bd2 b6 7. Nge2 Ba6 8. Qe3
O-O 9. O-O-O c5 10. a3 cxd4 11. Nxd4 Bc5 12. Bxa6 Nxa6 13. Qd3 Nc7 14. Nb3 Qd6
15. exd5 Nexd5 16. Ne4 Qe7 17. c4 Nf6 18. Bg5 Nce8 19. Nbxc5 bxc5 20. Qe3 h6
21. Bxf6 Nxf6 22. Qxc5 Qb7 23. Nxf6+ gxf6 24. Qe3 Rab8 25. Rd2 Kg7 26. Rc2 Rfd8
27. Rd1 Rxd1+ 28. Kxd1 Rd8+ 29. Kc1 Qc7 30. g3 f5 31. b4 a5 32. Qc3+ e5 33. Rd2
Rxd2 34. Kxd2 Qd6+ 35. Ke3 axb4 36. axb4 Kg6 37. c5 f4+ 38. gxf4 exf4+ 39. Ke4
*
Position (FEN): 8/5p2/3q2kp/2P5/1P2Kp2/2Q2P2/7P/8 b - - 1 39
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1694
Best move: f5#