It's possible that Mathis was playing Le Chiffre and it went sour. Bond.' - 'OOOPS' - 'My Friend, Mathis.' Why would he say this last one if it wasn't true? He was going to torture Bond then most likely kill him. Le Chiffre loves to rub it in on Bond when he one ups him or thinks he's one upping him. Le Chiffre calling him 'MY friend, Mathis' may have been just to thow him off
