is attempting to transcribe shi (Polivanov: си) as ши and ji (Polivanov: дзи) as джи. This is inadvisable for use in Russian, because ши is actually pronounced...

no initial, w is transcribed as в in all cases except wu, transcribed as у. For example, the names of the cities of Wuwei (both Wuwei, Anhui and Wuwei...