- If the arbiter really signed with your signature, instead of his, then he just committed a crime (forgery of documents). He could have signed with his signature as proof that he confirmed the result of the game and everything on the scoresheet.
- If the arbiter really forged your signature, then as a first step you should lodge a complaint against the arbiter with the tournament organizer. Next, if necessary, do the same with the federation that organizes the tournament. Depending on how serious the matters are, the police may be involved, but most likely you can solve it peacefully.
- Obviously in parallel, you still makeput your complaint known toinitial claim about the game on appeals committee desk.