Whatever theory you believe, it is well known that Ch'en-Chia-Kou is well known as the first t'ai-chi-ch'uan master.
Two major and important schools of t'ai-chi emerged from Ch'en style, namely the Yang and Wu styles. The techniques of the Yang style were so effective that warriors flocked to the kwoon. According to ancient scrolls and manuscripts from this school the son of the head master was requested to perform techniques from his fathers program before Emperor Gomizuno(1611-1629). Following the performance the emperor bestowed upon the art the title of 'supreme and unsurpassed art of combat' granting the discpiles permission to use the imperial color purple for the cords used by the school.