ILLEGAL: o c8-b6 on turn 1:
There was no o on c8. The piece on c8 is a .cbw.
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For diagnostic purposes, here is the full movelist:
1. P e2-e4 1... o c8-b6 2. UN f1-d3 2... p c7-c5 3. O e1-e3 3... p e7-e6 4. .ND c1-b3 4... un d8-e7 //check 5. P c2-c3 5... p d7-d5 6. P g2-g3 6... p d5-d4 7. P c3-d4 7... d4-c3;p-d4 8. O e3-f4 8... dr b8-d8; .nw A8-b8 9. DR d1-f1; A1-e1 9... .nd h8-g6 10. O f4-e2 10... p c5-c4 11. UN d3-c4 11... nn e8-c4 12. O e2-d4 12... o b6-d4; B8-c8 13. .ND b3-d4; B1-d1 13... nn c4-a3 //check 14. K b1-c1 14... dr d8-d4 15. P b2-a3 15... un e7-a3 //check 16. GRY a1-b2; C1-b1 16... un a3-e5;C8-d8 //check 17. .NW e1-d3 17... un e5-g1 18. .NW d3-d4 18... un g1-e5 19. DR f1-c2 19... gry f8-c7 20. DR c2-b3; D1-f1 20... gry c7-b3 21. f1-D1; b3-c7; DR-b3; b3-c2; c7-f8; c2-f1; d2-d3 21... un e5-d4 22. .BW b1-c2 22... un d4-c6;D8-e8 23. DR f1-g6; D1-g1 23... un c6-a2 //check 24. K c1-d2 24... p f7-g6 25. P f2-f4 25... .bw d8-b6 26. Q g1-b6 26... .nw b8-c6;E8-b8 27. .RF d1-a1 27... .nw c6-b6 28. .RF a1-a2; E1-c1 28... .ne b8-a6 29. .NE c1-e2 29... gry f8-c7 30. .NE e2-d4 30... gry c7-d4 31. P c3-d4 31... .ne a6-b4 //check 32. K d2-e3 32... .ne b4-a2; a F8-f8 33. .BW c2-b1; F1-e1 33... .ne a2-b4 34. A e1-f2 34... .ne b4-d5 //check 35. P e4-d5 35... p e6-d5 //check 36. K e3-d2 36... a f8-b4;G8-b8 //check 37. K d2-d1 37... .nw b6-a4 38. GRY b2-a1; G1-c1 38... .nw a4-c3 //check 39. K d1-d2 39... .nw c3-b1 //check 40. resignIn case there is a bug in the code, the settings file can be edited at /play/pbm/play.php?game=Universal+Chess&settings=asymmetric&submit=Edit