Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 Be7 6. e3 h6 7. Bh4 O-O 8. Bd3
Nbd7 9. O-O b6 10. cxd5 exd5 11. Rc1 Bb7 12. a3 Ne4 13. b4 Bxh4 14. Nxh4 Qxh4
15. Qc2 Ndf6 16. Ne2 Ng4 17. h3 Ngxf2 18. Bxe4 Nxe4 19. Rf4 Qe7 20. Rcf1 Ng5
21. Qd3 Ne6 22. Rf5 a5 23. Ng3 Ba6 24. Qd1 Bxf1 25. Qxf1 axb4 26. axb4 Qxb4 27.
Re5 Qb2 28. Kh2 Ra1 29. Qf3 Ng5 30. Qg4 Qb1 31. Nf5 Qh1+ 32. Kg3 Qe1+ 33. Kh2
f6 34. Re7 Rf7 35. Re8+ Rf8 36. Ne7+ Kf7 37. Qh5+ Ke6 38. Nxc6+ Kd7 39. Re7+
Kxc6 40. Qg4 Qg1+ 41. Kg3 Ne4+ 42. Kh4 Qe1+ 43. Kh5 g5 *
Position (FEN): 5r2/4R3/1pk2p1p/3p2pK/3Pn1Q1/4P2P/6P1/r3q3 w - - 0 44
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1407
Best move: Qd7#