Chess puzzle (Checkmate)
Moves: 1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. Nf3 Nf6 5. g3 O-O 6. Bg2 b6 7. Nh4 c6 8. Qa4
Bb7 9. O-O b5 10. cxb5 cxb5 11. Qxb5 Bxg2 12. Kxg2 Nbd7 13. f4 Rb8 14. Qd3 Qb6
15. e4 Qc6 16. Kg1 e5 17. fxe5 dxe5 18. d5 Qb6+ 19. Kh1 Nc5 20. Qe2 Qb4 21. Re1
a5 22. a3 Qb7 23. Rb1 Nb3 24. Nf3 Nxc1 25. Rexc1 Bh6 26. Re1 Ng4 27. b4 axb4
28. Rxb4 Qa7 29. Nb5 Rxb5 30. Rxb5 Qxa3 31. Nd2 Nf2+ 32. Qxf2 Qd3 33. Rb2 f5
34. Qf3 Qd4 35. Qb3 fxe4 36. d6+ Kh8 37. Rxe4 Qf2 38. Nc4 *
Position (FEN): 5r1k/7p/3P2pb/4p3/2N1R3/1Q4P1/1R3q1P/7K b - - 2 38
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1226
Best move: Qf1#