ILLEGAL: c b8-c6 on turn 2:
There was no c on b8. The piece on b8 is a q.
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For diagnostic purposes, here is the full movelist:
1. P c2-c4 
1... p e7-e5 
2. P f2-f3 
2... c b8-c6 
3. DH d1-b3 
3... dh f8-c5 
4. A g1-h3 
4... a a8-b6 
5. P d2-d3 
5... n h8-g6 
6. P g2-g3 
6... p h7-h6 
7. N h1-f2 
7... p a7-a5 
8. N f2-e4 
8... dh c5-b4 
9. S e1-c2 
9... dh b4-b3 
10. C c1-b3 
10... p a5-a4 
11. C b3-b5 
11... s d8-e6 
12. P e2-e3 
12... r e8-f8 
13. N e4-c3 
// OK. Thank you. I'm nothing sure you would saved from a
// loss!!!
13... c c6-c5 
14. C b5-b6 //check
14... p c7-b6 
15. S c2-a3 
15... p f7-f5 
16. N c3-a4 
16... c c5-a4 
17. S a3-b5 
17... c a4-a8 
18. P f3-f4 
18... p e5-f4 
19. P e3-f4 
19... s e6-c7 
20. S b5-c3 
20... s c7-c6 
21. S c3-b5 
21... n g6-e7 
22. R f1-e1 
22... p g7-g5 
23. A h3-g2 
23... k c8-d8 
24. R e1-e5 
24... n e7-g6 
25. R e5-e3 
25... p g5-g4 
26. Q b1-e1 
26... p h6-h5 
27. P h2-h4 
27... s c6-c7 
28. S b5-d6 //check (d6-f6-d8)
28... k d8-c8 
29. A g2-b7 //check
29... k c8-b8 
30. A b7-a8 
30... s c7-e3 //Check!
31. Q e1-e3 
31... k b8-a8 
32. S d6-b6 //check
32... k a8-a7 
33. S b6-f8 //check
33... resign
In case there is a bug in the code, the settings file can be edited at /play/pbm/play.php?game=Cetran+Chess+2&settings=asymmetric&submit=Edit