Chess puzzle (Checkmate)
Moves: 1. c4 Nf6 2. Nc3 g6 3. e4 Bg7 4. d4 c5 5. Be3 O-O 6. f3 cxd4 7. Bxd4 Nc6 8. Be3
d6 9. Qd2 Qa5 10. Nge2 Be6 11. Nd4 Bd7 12. Be2 Rfc8 13. b3 a6 14. Na4 Qd8 15.
Nxc6 Bxc6 16. Rd1 Rab8 17. Nb6 Rc7 18. O-O Nd7 19. Rfe1 Qe8 20. a4 Nxb6 21.
Bxb6 Rcc8 22. a5 Qd7 23. Qf4 Be5 24. Qh4 f5 25. exf5 Qxf5 26. Qxe7 Re8 27. Qh4
Rf8 28. Bd3 Qf7 29. Be4 Bxe4 30. Qxe4 Rbe8 31. Qd5 Re6 32. f4 Qxf4 33. Qxe6+
Kh8 34. Rxe5 dxe5 35. Qe7 Rf7 36. Qd8+ Kg7 37. Qd2 Qe4 38. Re1 Qg4 39. Rxe5 Rd7
40. Rd5 Rxd5 41. Qxd5 Qe2 42. Bd4+ Kh6 43. Qxb7 *
Position (FEN): 8/1Q5p/p5pk/P7/2PB4/1P6/4q1PP/6K1 b - - 0 43
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1475
Best move: Qe1#