 The 1st and 3rd Fengtian Armies deployed in the Shanhaiguan sector did not make any progress because they faced crack troops enjoying the advantage of terrain.The stalemate was not broken until October 7, when the Fengtian army made progress in the Jiumenkou sector.Here Sun Xuchang (孙旭昌), a Fengtian commander, led his 10th Combined Brigade to victory.