So, according to Site Announcements, Russ has introduced play computer. The AI level 0 is pretty weak so what might be the fewest moves to mate it?
I'll set the bar at 47 with this effort.
[White "Ragwort"]
[Black "AI Level 0"]
[Date "23/05/2018, 20:43:21"]
[Site "https://www.playtheimmortalgame.com"]
1. d4 d5 2. c4 dxc4 3. Nf3 Qd5 4. Nc3 Qh5 5. e4 b5 6. a4 b4 7. Nd5 Qg6 8. Nxc7+ Kd8 9. Nxa8 Qxe4+ 10. Be2 Ba6 11. O-O Qxa8 12. Ne5 Qd5 13. Bf3 Qe6 14. Re1 f6 15. Ng6 Qxe1+ 16. Qxe1 hxg6 17. Qe6 c3 18. bxc3 g5 19. cxb4 g6 20. b5 Bc8 21. Qd5+ Ke8 22. Ba3 Bd7 23. Re1 e6 24. Rxe6+ Be7 25. Bxe7 Nxe7 26. Re1 g4 27. Bd1 g3 28. hxg3 Kf8 29. Qb7 Rh7 30. Qxb8+ Nc8 31. Qf4 Bf5 32. Bb3 Re7 33. Rxe7 Kxe7 34. Qe3+ Kd7 35. d5 Nb6 36. Qc5 g5 37. Qc6+ Ke7 38. d6+ Kf8 39. Qc7 Nd7 40. Qd8+ Kg7 41. Qg8+ Kh6 42. Bf7 Bh7 43. Qh8 g4 44. Bg8 Kg5 45. Qxh7 Nc5 46. Bf7 f5 47. Qh4#