Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. Nf3 b6 3. Bf4 Bb7 4. Nbd2 f5 5. e3 Nf6 6. c4 Bd6 7. Bg5 O-O 8. Bd3
h6 9. Bh4 Be7 10. Qe2 c5 11. h3 Nc6 12. a3 Rc8 13. d5 exd5 14. cxd5 Nxd5 15.
Bc4 Na5 16. Bg3 Kh8 17. Ba2 Bf6 18. O-O Bxb2 19. Rad1 Nc3 20. Qd3 Be4 21. Nxe4
fxe4 22. Qc2 Nxd1 23. Nh4 Qf6 24. Qxe4 c4 25. Rxd1 Rc6 26. Rxd7 Re6 27. Qc2 b5
28. Bb1 g6 29. Nxg6+ Kg8 30. Nxf8 Kxf8 31. Qh7 Nc6 32. Rc7 Re7 33. Rc8+ Re8 34.
Bd6+ Qxd6 35. Qh8+ Kf7 36. Qxe8+ Kf6 37. Qg6+ Ke5 38. Qe4+ Kf6 39. Qf5+ Ke7 40.
Qf8+ Ke6 41. Re8+ Kd5 42. Qf5+ Be5 43. Be4+ Kc5 44. Re6 *
Position (FEN): 8/p7/2nqR2p/1pk1bQ2/2p1B3/P3P2P/5PP1/6K1 b - - 16 44
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 840
Best move: Qd1#