Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 Bxd3 8.
Qxd3 Qc7 9. O-O Ngf6 10. Re1 e6 11. c4 Be7 12. a3 Rd8 13. b4 O-O 14. Ne4 b5 15.
cxb5 cxb5 16. Qxb5 Nxe4 17. Rxe4 Qc3 18. Re1 Qxa1 19. Bg5 Qxe1+ 20. Nxe1 Bxg5
21. Qxg5 Nb6 22. Qa5 Rxd4 23. Qxa7 Rd1 24. Kf1 Nd5 25. b5 Rb1 26. a4 g5 27. Ke2
Nf4+ 28. Kf3 Rxe1 29. g3 Nd5 30. b6 Nxb6 31. Qxb6 Ra1 32. Qd4 Ra3+ 33. Kg4 Ra8
34. Kxg5 Rf3 35. Kg4 Rf5 36. h4 Rfa5 37. Kh3 Rxa4 38. Qf6 R4a5 39. g4 Ra3+ 40.
f3 R8a4 41. h5 Ra5 42. h6 Kf8 *
Position (FEN): 5k2/5p1p/4pQ1P/r7/6P1/r4P1K/8/8 w - - 1 43
White to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 1547
Best move: Qd8#