Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 c6 3. Nf3 h6 4. Nc3 Nf6 5. e3 Bg4 6. Qb3 Bxf3 7. Qxb7 Nbd7 8.
gxf3 Qc8 9. Qxc8+ Rxc8 10. Bd2 e5 11. dxe5 Nxe5 12. f4 Nf3+ 13. Ke2 Nxd2 14.
Kxd2 Bb4 15. f3 O-O 16. Rc1 Rfe8 17. a3 Ba5 18. b4 Bc7 19. Ne2 dxc4 20. Rxc4
Bb6 21. e4 Red8+ 22. Kc2 Be3 23. Rc3 Rd2+ 24. Kb3 Bb6 25. Ng3 Bd4 26. Rc2 Rd1
27. Bg2 Rd3+ 28. Kc4 Rxa3 29. Kxd4 Rd8+ 30. Kc4 Nd7 31. Rhc1 Nb6+ 32. Kc5 Na4+
33. Kxc6 Rc3+ 34. Rxc3 Nxc3 35. Kb7 Nb5 36. Rc5 Nd4 37. Kxa7 Ne6 38. Rc2 Nxf4
39. b5 Nd3 40. b6 Nb4 41. Rb2 Nc6+ 42. Kb7 Na5+ 43. Kc7 Ra8 44. b7 Ra7 45. Kc8
Nc6 46. b8=Q Ne7+ 47. Kd8 Nc6+ 48. Ke8 *
Position (FEN): 1Q2K1k1/r4pp1/2n4p/8/4P3/5PN1/1R4BP/8 b - - 4 48
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1341
Best move: Re7#