Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. exd5 Nf6 3. c4 e6 4. dxe6 Bxe6 5. d4 Qe7 6. Be3 c6 7. Nf3 Na6 8. a3
b5 9. cxb5 cxb5 10. Bxb5+ Bd7 11. Bxa6 Rb8 12. Qd2 Ne4 13. Qc2 Bf5 14. Bb5+
Rxb5 15. Qc6+ Bd7 16. Qa8+ Qd8 17. Qxe4+ Be7 18. b4 O-O 19. O-O Re8 20. Qd3 a6
21. Nc3 Rh5 22. Rad1 Bd6 23. Ne4 Bb5 24. Qc2 Bxf1 25. Rxf1 Qc7 26. Qd3 Bxh2+
27. Kh1 Bf4+ 28. Kg1 Bh2+ 29. Kh1 f5 30. Qb3+ Kh8 31. Neg5 Bf4+ 32. Kg1 Bxg5
33. Bxg5 h6 34. Be3 Re4 35. Rc1 Qd6 36. Rc8+ Kh7 37. Qg8+ Kg6 38. Ne5+ Rxe5 39.
dxe5 *
Position (FEN): 2R3Q1/6p1/p2q2kp/4Pp1r/1P6/P3B3/5PP1/6K1 b - - 0 39
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 702
Best move: Qd1#