Chess puzzle (Checkmate)
Moves: 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e3 b6 6. a3 Bxc3 7. Qxc3 Bb7 8. b4
Ne4 9. Qc2 f5 10. Bb2 d6 11. Be2 Nd7 12. d3 Ng5 13. Qc3 e5 14. c5 Nxf3+ 15.
Bxf3 Bxf3 16. gxf3 f4 17. c6 Nf6 18. e4 a5 19. Ke2 axb4 20. axb4 Qe7 21. b5 Ra5
22. Rxa5 bxa5 23. Qxa5 d5 24. Ba3 Qe6 25. Bxf8 Kxf8 26. Qxc7 dxe4 27. Qd8+ Kf7
28. dxe4 Qa2+ 29. Qd2 Qc4+ 30. Ke1 Qxb5 31. c7 Qb1+ 32. Qd1 Qb4+ 33. Qd2 Qb1+
34. Ke2 Qb5+ 35. Qd3 Qb2+ 36. Kf1 Qc1+ 37. Kg2 Qxc7 38. Rd1 g5 39. Qd6 Qc2 40.
Ra1 g4 41. Ra7+ Kg6 42. Ra6 gxf3+ 43. Kxf3 *
Position (FEN): 8/7p/R2Q1nk1/4p3/4Pp2/5K2/2q2P1P/8 b - - 0 43
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1468
Best move: Qxe4#