Chess puzzle (Checkmate)
Moves: 1. c4 e6 2. d4 Nf6 3. Nc3 c5 4. e3 cxd4 5. exd4 Nc6 6. Nf3 Bb4 7. Be3 O-O 8.
Bd3 d5 9. O-O dxc4 10. Bxc4 Ne4 11. Nxe4 Ba5 12. a3 Bb6 13. b4 a6 14. Bf4 h6
15. Nd6 Bd7 16. d5 exd5 17. Bxd5 Qf6 18. Bg3 Ra7 19. Nd2 Ne7 20. N2e4 Qg6 21.
Bb3 Bc6 22. Bc2 Nf5 23. Nc3 Nxg3 24. Bxg6 Nxf1 25. Kxf1 fxg6 26. Qg4 Rxf2+ 27.
Ke1 Rxg2 28. Qc8+ Kh7 29. Rd1 a5 30. b5 Bf3 31. Rd2 *
Position (FEN): 2Q5/rp4pk/1b1N2pp/pP6/8/P1N2b2/3R2rP/4K3 b - - 2 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1010
Best move: Rg1#