Correction ( disregard the previous example)...
\setuppapersize [A4][A4]
%\setuppagenumbering[alternative=singlesided]
\setuppagenumbering[alternative=doublesided]
\definepagebreak[myChapterPageBreak][yes,header,footer,right]
\setuphead[chapter][page=myChapterPageBreak]
\startsectionblockenvironment[frontpart]
\setupheader[state=stop]
\setupfooter[state=stop]
\stopsectionblockenvironment
\startsectionblockenvironment[bodypart]
\setupheader[state=start]
\setupfooter[state=start]
\stopsectionblockenvironment
\startsectionblockenvironment[backpart]
\setupheader[state=stop]
\setupfooter[state=stop]
\stopsectionblockenvironment
\setupsectionblock[backpart][before={\page[left]}]
\starttext
\startstandardmakeup
Title
\blank[3*big]
Author
\stopstandardmakeup
\startfrontmatter
Table of Contents
\blank[3*big]
\placecontent
\stopfrontmatter
\startbodymatter
\chapter{Chapter 1}
\section{Section 1.1}
\input knuth
\blank
\input knuth
\blank
\input knuth
\section{Section 1.2}
\input tufte
\blank
\input tufte
\blank
\input tufte
\section{Section 1.3}
\input zapf
\blank
\input zapf
\blank
\input zapf
\chapter{Chapter 2}
\section{Section 2.1}
\input knuth
\blank
\input knuth
\blank
\input knuth
\section{Section 2.2}
\input tufte
\blank
\input tufte
\blank
\input tufte
\section{Section 2.3}
\input zapf
\blank
\input zapf
\blank
\input zapf
\stopbodymatter
\startbackmatter
back page
\stopbackmatter
\stoptext
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