This video was hosted on Vidme, which is no longer in operation. However, you might find this video at one of these links:
The Chinese Civil War Part I: Every Fortnight
April 4 2017
This video shows the changing front lines every fortnight (two weeks) for the first portion between 1927 when Chiang decided to attack the Communist forces through encirclement up to 1937 when Japan begins the Second Sino-Japanese War.