Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 e6 3. Bg5 f6 4. Bf4 Bd6 5. Bxd6 Qxd6 6. Nc3 Nh6 7. Qd2 Nc6 8.
O-O-O Nb4 9. a3 Nc6 10. e3 a6 11. Bd3 Na5 12. e4 dxe4 13. Nxe4 Qb6 14. Rhe1 Nf5
15. Nc5 O-O 16. h4 e5 17. Na4 Nb3+ 18. cxb3 Qxb3 19. Nc5 Qa2 20. Qc2 Nxd4 21.
Nxd4 exd4 22. Bc4+ Qxc4 23. Qxc4+ Kh8 24. Rxd4 b5 25. Qb4 Bf5 26. Nd7 Rfd8 27.
Qe7 c5 28. Nxc5 Rxd4 29. Qe8+ Rxe8 *
Position (FEN): 4r2k/6pp/p4p2/1pN2b2/3r3P/P7/1P3PP1/2K1R3 w - - 0 30
White to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 440
Best move: Rxe8#