Sometimes the AI plays really stupid. Especially when there are no queens on the board.

Look at this game which I played against it. Here's a PGN:

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qe6+ 4. Qe2 Nc6 5. Qxe6 Bxe6 6. Bb5 Nf6 7. Bxc6+
bxc6 8. d3 Kd7 9. Be3 Rb8 10. b3 Rb7 11. Na4 Kd6 12. Bc5+ Kd5 13. c4+ Ke5 14.
d4+ Ke4 15. Nc3+ Kd3 16. O-O-O+ Kxc3 17. Ne2# 1-0