ILLEGAL: Q e1-d1 on turn 12:
There was no Q on e1. The piece on e1 is a K.
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For diagnostic purposes, here is the full movelist:
1. P e2-e3 
1... c8-d6 
2. A i1-j3 
2... h7-h6 
3. N h1-g3 
3... g8-h7 
4. N c1-d3 
4... b8-a6 
5. B d1-e2 
5... c7-c5 
6. A j3-h5 
6... c5-c4 
7. N d3-e5 
7... h7-c2 
8. A b1-a3 
8... c2-d3 
9. A h5-i7 
9... h8-i6 
10. N e5-d3 
10... i8-d3 
11. B e2-d3 
11... c4-d3 
12. Q e1-d1 
12... j8-i8 
13. A i7-j6 
13... i8-h8 
14. P j2-j4 
14... f8-g8 
15. P j4-j5 
15... i6-g5 
16. A j6-i7 
16... g8-h7 
17. Q d1-j7 
17... f7-f5 
18. A i7-h5 
18... resign
In case there is a bug in the code, the settings file can be edited at /play/pbm/play.php?game=Janus+Chess&settings=JanusChess&submit=Edit