Bajiquan and Beijing Gongfu Jia Taijiquan are both Feudal Shaolin strategy descending from General Qi Jiguang treatise. The systems share the fierce close-distance elbow strikes and capturing technique of Qing era bodyguards/militia. Modernization and inaccurate documentation of Chen Taijiquan historical context, has shifted the medieval systems considerably- in the application and form.
Many Chen Tai Chi practitioners today have minimal interest and knowledge of factual methods of the original system. The 1928 fitness reform in China shifted the context of Chen Taijiquan considerably, yet failed to make any distinction the modern interpretation is not historical truth. Chen Tai Chi practitioners today who do not appreciate the feudal military context of the art, are still enjoying the empty-hand methods of medieval melee combat, used by Ming-era Chinese Knights- whether or not they realize or accept it.