Chess puzzle (Checkmate)
Moves: 1. Nf3 c5 2. b3 b6 3. Bb2 Bb7 4. g3 Nf6 5. Bg2 g6 6. c4 Bg7 7. O-O O-O 8. Nc3
Na6 9. d4 cxd4 10. Qxd4 Ne4 11. Qd3 Nb4 12. Qe3 Nc2 13. Qc1 Nxa1 14. Qxa1 Nxc3
15. Bxc3 Bxc3 16. Qxc3 d6 17. Nd4 Bxg2 18. Kxg2 Qc7 19. e4 a6 20. h4 b5 21. h5
bxc4 22. h6 e5 23. Nc2 Rac8 24. Ne3 cxb3 25. Qxb3 Rb8 26. Qd5 Rb5 27. Qd3 Qc6
28. Nd5 Rxd5 29. exd5 Qa4 30. Rc1 Qg4 31. Rc6 Rd8 32. Rxa6 e4 33. Qe3 Qf5 34.
Ra5 g5 35. Rb5 f6 36. Kg1 Kf7 37. Rb7+ Kg6 38. Re7 Kxh6 39. Rxe4 Rb8 40. Kg2
Qxd5 41. Kh2 Rb1 42. Rh4+ Kg6 43. Qe8+ Kf5 44. g4+ Kf4 *
Position (FEN): 4Q3/7p/3p1p2/3q2p1/5kPR/8/P4P1K/1r6 w - - 1 45
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 870
Best move: Qe3#