Try to keep on 10 check significance tasks

server.py

@@ -282,10 +282,17 @@ class LeaderboardServer:
                 result_url[competitor_id] = check_significance_send_task(new_model_file, self.submission_id_to_file[competitor_id])
                 result_inverse_url[competitor_id] = check_significance_send_task(self.submission_id_to_file[competitor_id], new_model_file)
             
-            for competitor_id in next_competitors:
+            while next_competitors:
+                competitor_id = next_competitors.pop(0)
                 result = check_significance_wait_for_result(result_url.pop(competitor_id))
                 result_inverse = check_significance_wait_for_result(result_inverse_url.pop(competitor_id))
                 
+                if rest_of_competitors:
+                    new_competitor_id = rest_of_competitors.pop()
+                    next_competitors.append(new_competitor_id)
+                    result_url[new_competitor_id] = check_significance_send_task(new_model_file, self.submission_id_to_file[new_competitor_id])
+                    result_inverse_url[new_competitor_id] = check_significance_send_task(self.submission_id_to_file[new_competitor_id], new_model_file)
+                
                 new_tournament[new_submission_id][competitor_id] = {
                     task: data["significant"] for task, data in result.items()
                 }