ILLEGAL: N g1-f3 on turn 1:
There was no N on g1. The piece on g1 is a R.
Go back with your browser's BACK button, reload the page, and try again.
For diagnostic purposes, here is the full movelist:
1. N g1-f3 
1... n b10-c8 
2. P c4-d4 
2... c b8-e8 
3. N b1-c3 
3... p e7-d7 
4. N f3-e5 
4... e c10-e7 
5. P g4-f4 
5... n g10-f8 
6. C b3-f3 
6... n f8-g6 
7. C f3-f10 
7... k e9-f10 
8. K e2-f3 
8... n g6-e5 
9. P e4-e5 
9... c e8-e5 
10. P d4-e4 
10... c e5-e9 
11. C h3-e3 
11... c h8-a8 
12. R a1-b1 
12... c a8-f8 
13. K f3-e2 
13... p i7-h7 
14. G f1-e1 
14... g d10-c9 
15. P f4-f5 
15... e h10-f7 
16. P e4-e5 
16... e f7-h4 
17. K e2-d2 
17... e e7-h5 
18. P f5-g5 
18... p d7-e7 
19. P e5-d5 
19... r a10-d10 
20. P g5-h5 
20... e h4-e6 
21. R b1-b5 
21... e e6-c3 
22. K d2-e2 
22... p e7-f7 
23. P d5-e5 
23... p c7-c6 
24. G d1-d2 
24... p c6-b6 
25. R b5-d5 
25... r d10-d5 
26. P e5-d5 
26... e c3-f5 
27. G d2-d3 
27... c f8-a8 
28. P i4-i5 
28... c a8-i8 
29. P d5-e5 
29... e f5-d8 
30. resign
In case there is a bug in the code, the settings file can be edited at /play/pbm/play.php?game=Korean+Random+Chess&settings=set4ba&submit=Edit