Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 O-O 8.
Qd2 c5 9. Nf3 Qc7 10. Rb1 cxd4 11. cxd4 Nc6 12. Bb5 Bd7 13. O-O Rfd8 14. Rfc1
Qa5 15. Qxa5 Nxa5 16. Bf1 b6 17. Ba6 Bc8 18. Bb5 Bd7 19. Be2 Rac8 20. h3 Ba4
21. Kf1 Bc2 22. Ba6 Bxb1 23. Bxc8 Bxe4 24. Ba6 Nc6 25. Nd2 Bd5 26. Nb3 Nb4 27.
Bc4 e6 28. Bxd5 exd5 29. a3 Na6 30. Bg5 Re8 31. Rc6 Bf8 32. a4 Nb4 33. Rc7 a6
34. Rb7 h6 35. Bf6 Bg7 36. Bxg7 Kxg7 37. Rxb6 Nc2 38. Rxa6 *
Position (FEN): 4r3/5pk1/R5pp/3p4/P2P4/1N5P/2n2PP1/5K2 b - - 0 38
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 737
Best move: Re1#