ILLEGAL: CH_o e2-e3 on turn 8:
There was no CH_o on e2. The piece on e2 is a S_o.
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For diagnostic purposes, here is the full movelist:
1. P a2-a3 
||| 1... p a7-a6 
||| 2. P i2-i3 
||| 2... p i7-i6 
||| 3. P a3-a4 
||| 3... p a6-a5 
||| 4. P i3-i4 
||| 4... p i6-i5 
||| 5. X_o f2-f3 
||| 5... X_g f7-f6 
||| 6. X_o d2-d3 
||| 6... X_g d7-d6 
||| 7. CH_o e2-e3 
||| 7... CH_g e7-e6 
||| 8. !D g1-e2 
||| 8... !d g8-e7 
||| 9. X_o d3-d4 
||| 9... X_g d6-d5 
||| 10. X_o d4-d5 
||| 10... !d e7-d5 
||| 11. CH_o e3-e4 
||| 11... !d d5-d6 
||| 12. X_o f3-e3 
||| 12... p b6-b5 
||| 13. P a4-b5 
||| 13... !d d6-b5 
||| 14. C_y c3-c4 
||| 14... c4- 
||| 15. PG d1-b5 
||| 15... ~h b7-c5 
||| 16. CH_o e4-f3 
||| 16... .1jw b8-b7 
||| 17. PG b5-c3 
||| 17... _mh_en e8-e7 
||| 18. _mh_en e7-e8 
||| // check
||| 18... C_r c6-b6 
||| // Sorry.
|| 1... !D c1-d1 
|| 2. pass 
|| // What happened?
1... pass 
2. pass 
2... pass 
3. p a7-a6 
3... P i2-i3 
4. p i7-i6 
4... P a3-a4 
5. p a6-a5 
5... P i3-i4 
6. p i6-i5 
6... X_o f2-f3 
7. X_g f7-f6 
7... X_o d2-d3 
8. X_g d7-d6 
8... CH_o e2-e3 
9. CH_g e7-e6 
9... _MH_EN e1-d2 
10. _mh_en e8-d7 
10... !D c1-e2
In case there is a bug in the code, the settings file can be edited at /play/pbm/play.php?game=Maorider+Chess&settings=Checkered&submit=Edit