<P> `` I Know Him So Well '' is a duet from the concept album and subsequent musical Chess by Tim Rice , Benny Andersson and Björn Ulvaeus . It was originally sung by Elaine Paige ( as Florence ) and Barbara Dickson ( as Svetlana ) . In this duet , two women -- Svetlana , the Russian chess champion 's estranged wife , and Florence , his mistress -- express their bittersweet feelings for him and at seeing their relationships fall apart . </P>
<P> `` I Know Him So Well '' is a duet from the concept album and subsequent musical Chess by Tim Rice , Benny Andersson and Björn Ulvaeus . It was originally sung by Elaine Paige ( as Florence ) and Barbara Dickson ( as Svetlana ) . In this duet , two women -- Svetlana , the Russian chess champion 's estranged wife , and Florence , his mistress -- express their bittersweet feelings for him and at seeing their relationships fall apart . </P>
who sang the song i know him so well
who sang the song i know him so well
Björn Ulvaeus Benny Andersson Tim Rice
Björn Ulvaeus Benny Andersson Tim Rice