Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 dxc4 3. Nc3 a6 4. e4 b5 5. a4 b4 6. Nd5 Nc6 7. Bxc4 e6 8. Nf4
Qxd4 9. Qxd4 Nxd4 10. Kf1 a5 11. Be3 Nc2 12. Bb5+ Bd7 13. Bxd7+ Kxd7 14. Rd1+
Ke8 15. Nf3 Nxe3+ 16. fxe3 Nf6 17. Ne5 Nxe4 18. Rd4 Nd6 19. Ke2 f6 20. Ng4 e5
21. Ne6 exd4 22. Nxc7+ Kd7 23. Nxa8 Be7 24. Nb6+ Kc6 25. Nc4 Nxc4 26. Rc1 Kc5
27. b3 dxe3 28. Rxc4+ Kd5 29. Nxe3+ Ke5 30. Kf3 Bd6 *
Position (FEN): 7r/6pp/3b1p2/p3k3/PpR5/1P2NK2/6PP/8 w - - 3 31
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1265
Best move: Re4#