Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. O-O Bc5 7. d3 h6 8. h3
O-O 9. c3 d6 10. d4 exd4 11. cxd4 Bb6 12. Bc2 Re8 13. Nc3 Nb4 14. Re1 Nxc2 15.
Qxc2 Bb7 16. d5 b4 17. Na4 Ba7 18. Be3 Nxe4 19. Bxa7 Rxa7 20. Rxe4 Bxd5 21.
Rxb4 c5 22. Rg4 Bxf3 23. gxf3 Rae7 24. Qc3 f6 25. Qxf6 Kh8 26. Qf4 Rf8 27. Qg3
Ref7 28. f4 Qa5 29. Nc3 Qb4 30. Rb1 Rxf4 31. Rxg7 Rxf2 32. Rg4 c4 33. Qxf2 Rxf2
34. Kxf2 Qc5+ 35. Kg3 Qe5+ 36. Rf4 Qe3+ 37. Kg4 h5+ 38. Kg5 Qg3+ 39. Kf5 Qxh3+
40. Ke4 *
Position (FEN): 7k/8/p2p4/7p/2p1KR2/2N4q/PP6/1R6 b - - 1 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1424
Best move: Qd3#