Really struggling with right hand side
6d Sarply moving major piece about a national swimmer - I like this work’s power (8,7)
17/18d Buttonholing guy on lake, one does delay rising star (7,7)
TIA
For 17/18, I had CHARLIE CHAPLIN, for the sole reason that it fitted the letters I had! But it doesn't even begin to make sense. This was about the point when I decided not to bother with the Prize this week ...