Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. e5 e6 3. d4 c5 4. c3 Nc6 5. Bb5 a6 6. Bxc6+ bxc6 7. Be3 cxd4 8.
cxd4 Qb6 9. Qc2 Bb7 10. Nf3 Ne7 11. Nc3 Nf5 12. O-O Nxe3 13. fxe3 Be7 14. a3
O-O 15. b4 a5 16. Na4 Qb5 17. Nc5 axb4 18. axb4 Rxa1 19. Rxa1 Qxb4 20. Rb1 Bxc5
21. dxc5 Qa3 22. Rxb7 Ra8 23. Qe2 Qxc5 24. h3 Ra3 25. Nd4 Qc1+ 26. Kh2 h6 27.
Qc2 Qxe3 *
Position (FEN): 6k1/1R3pp1/2p1p2p/3pP3/3N4/r3q2P/2Q3PK/8 w - - 0 28
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 773
Best move: Rb8#