Chess puzzle (Checkmate)
Moves: 1. c4 e5 2. Nc3 Nc6 3. e3 Bc5 4. Nf3 d6 5. Be2 a6 6. d4 Ba7 7. dxe5 Nxe5 8.
Nxe5 dxe5 9. Qxd8+ Kxd8 10. O-O c6 11. Rd1+ Kc7 12. b4 Nf6 13. h3 Be6 14. Bb2
Rad8 15. b5 Nd7 16. Ne4 f6 17. Ba3 c5 18. bxa6 bxa6 19. Rd6 Rhe8 20. Rxa6 Kb7
21. Rd6 f5 22. Rb1+ Kc7 23. Ra6 Bb6 24. Nc3 Ra8 25. Nb5+ Kc6 26. Rxa8 Rxa8 27.
Rd1 Bc7 28. Rd2 Ra4 29. Bb2 g6 30. g4 e4 31. Nc3 Ra8 32. Nd5 Bd6 33. Bc3 Ne5
34. Nb6 Ra3 35. Nd5 Bxd5 36. cxd5+ Kc7 37. Bxe5 Bxe5 38. Bc4 Rc3 39. Bb3 c4 40.
Ba4 Kd6 41. Kf1 Rc1+ 42. Ke2 Bc3 43. Rc2 *
Position (FEN): 8/7p/3k2p1/3P1p2/B1p1p1P1/2b1P2P/P1R1KP2/2r5 b - - 7 43
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1211
Best move: Re1#