ILLEGAL: N h1-g3 on turn 1:
There was no N on h1. The piece on h1 is a E.
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For diagnostic purposes, here is the full movelist:
1. N h1-g3 
1... n c10-d8 
2. C h3-e3 
2... n h10-g8 
3. P g4-f4 
3... p e7-e6 
4. N g3-h5 
4... e b10-e8 
5. N h5-g7 
5... p c7-c6 
6. N g7-e6 
6... c h8-f8 
7. N e6-f8 
7... g e9-f8 
8. C e3-e8 
8... g f8-e8 
9. N c1-d3 
9... n g8-h6 
10. R g1-g10 
10... f f10-g10 
11. C b3-e3 // check!!!
11... g e8-f8 
12. P i4-h4 
12... e i10-g7 
13. F d1-c2 
13... e g7-e4 
14. P f4-e4 
14... n h6-f5 
15. P h4-g4 
15... n f5-g3 
16. E i1-f3 
16... n g3-f1 
17. G e2-f1 
17... r a10-a9 
18. N d3-e5 
18... r a9-h9 
19. F c2-d3 
19... r h9-h1 
20. G f1-e2 
20... r h1-h7 
21. G e2-d2 
21... f g10-h9 
22. E b1-d4 
22... c b8-e8 
23. P e4-f4 
23... c e8-a8 
24. P c4-b4 
24... p a7-b7 
25. R a1-c1 
25... r h7-h2 
26. F d3-e2 
26... c a8-a2 
27. E d4-a2 // Ed4xCa2
27... r h2-h7 
28. G d2-e1 
28... p b7-b6 
29. E a2-d4 
29... p c6-d6 
30. E d4-g6 
30... p d6-e6 
31. E g6-d8 
31... p e6-e5 
32. R c1-c5 
32... r h7-h1 
33. F e2-f1 
33... f h9-g8 
34. R c5-e5 
34... p i7-i6 
35. R e5-e6 
35... f g8-f7 
36. R e6-i6 
36... g f8-e8 
37. E d8-f5 
37... r h1-h9 
38. R i6-b6 
38... r h9-d9 
39. P f4-e4 // check!
39... g e8-f8 
40. E f3-h6 
40... r d9-d3 
41. R b6-b8 // check!
41... f f7-e8 
42. R b8-e8; won // checkmate!
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=set3&submit=Edit