Chess puzzle (Checkmate)
Moves: 1. b4 e5 2. b5 Nf6 3. Bb2 d6 4. e3 Be6 5. Nf3 Be7 6. Be2 Nbd7 7. O-O O-O 8. c4
a6 9. a4 axb5 10. cxb5 Nc5 11. d4 Bb3 12. Qd2 Nxa4 13. Nc3 Nxc3 14. Qxc3 Be6
15. Rfd1 Nd5 16. Qe1 exd4 17. Nxd4 Bf6 18. Bf3 Qd7 19. Rxa8 Rxa8 20. Ra1 Qc8
21. Rxa8 Qxa8 22. Nxe6 fxe6 23. Bxd5 exd5 24. Bxf6 gxf6 25. g3 Qa3 26. Qd1 Qc5
27. Qg4+ Kf8 28. Qc8+ Ke7 29. Qxb7 Ke6 30. Qc8+ Ke7 31. Qa6 Qc2 32. Qb7 Qc5 33.
Kg2 Ke6 34. Qc8+ Ke7 35. Qb7 Kd7 36. Qa6 Qc4 37. Qa5 h5 38. b6 Qe4+ 39. Kg1
cxb6 40. Qxb6 Qf5 41. Qb5+ Ke6 *
Position (FEN): 8/8/3pkp2/1Q1p1q1p/8/4P1P1/5P1P/6K1 w - - 3 42
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1242
Best move: Qe8#