Chess puzzle (Checkmate)
Moves: 1. h3 d5 2. d4 c5 3. e3 cxd4 4. exd4 Nf6 5. Nf3 a6 6. Be2 Nc6 7. O-O Bf5 8. a3
e6 9. Nc3 Bd6 10. Be3 Qc7 11. Bg5 h6 12. Bxf6 gxf6 13. Nh4 Bh7 14. Nf3 Rg8 15.
Bd3 Bxd3 16. Qxd3 O-O-O 17. b4 Ne7 18. b5 a5 19. Rfb1 b6 20. a4 Ng6 21. Rb3 Nf4
22. Qd2 Rxg2+ 23. Kf1 Rdg8 24. Nd1 Nxh3 25. Rc3 Bc5 26. dxc5 bxc5 27. Qxh6 Nf4
28. Qxf6 R8g6 29. Qe5 Qxe5 30. Nxe5 *
Position (FEN): 2k5/5p2/4p1r1/pPppN3/P4n2/2R5/2P2Pr1/R2N1K2 b - - 0 30
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1476
Best move: Rg1#