Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Bc4 Nc6 3. Nf3 e6 4. Nc3 Nf6 5. d3 d5 6. exd5 exd5 7. Bb3 Be7 8.
O-O O-O 9. h3 a6 10. Bg5 Be6 11. Qd2 h6 12. Bh4 b5 13. a3 c4 14. dxc4 dxc4 15.
Ba2 Qxd2 16. Nxd2 Nd4 17. Rac1 g5 18. Bg3 Nd5 19. Nxd5 Bxd5 20. Rfe1 Bc5 21.
Re5 c3 22. Rxd5 cxd2 23. Rd1 Ne2+ 24. Kh2 Nxg3 25. Kxg3 Bb6 26. R1xd2 Bc7+ 27.
Kg4 Kg7 28. Rd7 Be5 29. c3 Kg6 30. h4 f5+ 31. Kh3 *
Position (FEN): r4r2/3R4/p5kp/1p2bpp1/7P/P1P4K/BP1R1PP1/8 b - - 1 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1105
Best move: g4#