Chess puzzle (Checkmate)
Moves: 1. c4 Nf6 2. g3 c6 3. d4 d5 4. Bg2 e6 5. e3 dxc4 6. Na3 b5 7. Nxb5 Qa5+ 8. Nc3
Bb4 9. Ne2 Nd5 10. Bd2 Nd7 11. O-O O-O 12. a3 Bxc3 13. Nxc3 Qc7 14. Na2 N7f6
15. Nb4 a5 16. Na2 Ba6 17. Re1 Rab8 18. Rb1 Rfe8 19. Bc3 Nxc3 20. Nxc3 Nd5 21.
Ne4 Rb6 22. Nc5 Reb8 23. Nxa6 Rxa6 24. Qc2 Rab6 25. Qxc4 Rxb2 26. Rxb2 Rxb2 27.
Rc1 Ne7 28. Bxc6 Qb8 29. a4 Qb4 30. Bb5 g6 31. Qc7 Qd2 32. Rf1 Nd5 33. Qb8+ Kg7
34. Qe5+ Kg8 35. Bc6 Ne7 36. Be4 h5 37. Qf6 Qb4 38. h4 Qd6 39. Qg5 Nf5 40. Bxf5
exf5 41. Rc1 Qd7 42. Qf4 Rb7 43. Qe5 Rb4 44. Qxa5 Rxa4 45. Qc7 Qe6 46. Qc6 Ra2
47. Rc2 Ra1+ 48. Kg2 Qb3 49. d5 Qb1 50. Kf3 Qd1+ 51. Kf4 Qg4+ 52. Ke5 Qe4+ 53.
Kf6 Ra7 54. Qc8+ Kh7 55. Rc5 *
Position (FEN): 2Q5/r4p1k/5Kp1/2RP1p1p/4q2P/4P1P1/5P2/8 b - - 12 55
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1507
Best move: Qe7#