Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. Nc3 c5 3. d5 exd5 4. Nxd5 d6 5. e4 Be6 6. Nf3 Bxd5 7. exd5 Nd7 8.
Bd3 Ne7 9. O-O Nxd5 10. Bxh7 Rxh7 11. Qxd5 Qc7 12. Re1+ Be7 13. Bg5 f6 14. Qg8+
Nf8 15. Bf4 O-O-O 16. Re2 g5 17. Bg3 Rh6 18. Rae1 Ng6 19. Qg7 Rdh8 20. Rxe7
Nxe7 21. Rxe7 Qd8 22. Rf7 R8h7 23. Qf8 Qxf8 24. Rxf8+ Kd7 25. Ra8 a6 26. Ra7
Kc6 27. Ra8 Re7 28. h3 Rg6 29. Rd8 f5 30. Kf1 Rge6 31. Rg8 g4 32. hxg4 fxg4 33.
Rxg4 Re2 34. Rg6 Rxc2 35. Rxd6+ Kb5 36. Rd2 Rc1+ 37. Ne1 *
Position (FEN): 8/1p2r3/p7/1kp5/8/6B1/PP1R1PP1/2r1NK2 b - - 4 37
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 400
Best move: Rcxe1#