Chess puzzle (Checkmate)
Moves: 1. e4 Nc6 2. d4 d6 3. Nf3 e6 4. Bb5 Bd7 5. O-O h6 6. c4 a6 7. Ba4 b5 8. cxb5
axb5 9. Bxb5 Ra5 10. Nc3 Be7 11. Bd2 Nf6 12. Re1 O-O 13. e5 dxe5 14. dxe5 Nd5
15. Nxd5 Rxb5 16. Nxe7+ Qxe7 17. b3 Rfb8 18. Qc2 Nb4 19. Bxb4 Qxb4 20. Re4 Qe7
21. Qxc7 R5b7 22. Qd6 Qxd6 23. exd6 Bc6 24. Rd4 Bxf3 25. gxf3 Rd7 26. Rad1 Rb6
27. b4 Kf8 28. a4 Ke8 29. Kg2 f6 30. Kg3 e5 31. Rg4 Kd8 32. a5 Ra6 33. Ra1 f5
34. Rc4 Rdxd6 35. b5 f4+ 36. Kg4 Rg6+ 37. Kf5 Rg5+ 38. Ke4 Rd6 39. a6 Rg2 40.
a7 Rxf2 41. a8=Q+ Ke7 42. Qb7+ Ke6 43. Rc6 *
Position (FEN): 8/1Q4p1/2Rrk2p/1P2p3/4Kp2/5P2/5r1P/R7 b - - 4 43
Black to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 932
Best move: Re2#