kung fu lei tai (kyoushin) tournament of fights in '86 (bare knuckle).
http://www.shxinyi.net/bbs/images/upfile/200482411538.avi
http://www.shxinyi.net/bbs/images/upfile/2004824122431.avi
With your amazing gift of finding stuff posted on other boards, you mind finding longer vids or more of these? I looked some years ago but I think your searching abillitys are much more advanced than mine