Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c4 Nc6 6. Nc3 Nxc3 7. dxc3 g6 8.
Be3 Bg7 9. Qd2 O-O 10. O-O-O Re8 11. h4 Bg4 12. Be2 a6 13. Nd4 Bxe2 14. Nxe2 b5
15. h5 Ne5 16. cxb5 axb5 17. Kb1 Nc4 18. Qd3 Nxe3 19. fxe3 c5 20. Qxd6 Qa5 21.
Nc1 b4 22. cxb4 Qxb4 23. Qd2 Qe4+ 24. Qd3 Reb8 25. Qxe4 Rxb2+ 26. Ka1 Rbxa2+
27. Kb1 *
Position (FEN): r5k1/5pbp/6p1/2p4P/4Q3/4P3/r5P1/1KNR3R b - - 1 27
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1710
Best move: Rb2#