Key legal question
Whether Judge X. had to be recused for alleged bias under cantonal law, the Constitution, and the ECHR.
Extracted holding
The record did not show objective circumstances creating an appearance of bias; the recusal request was rightly rejected.
Extracted reasoning
A procedural or evidentiary error, even if arguable, does not by itself establish partiality. Only particularly grave and repeated faults could do so. The judge remained free to order further evidentiary steps.