Scots in R and A World Amateur Golf Rankings' top 500

Peter Uihlein (US) remains the No 1 player in this week's updated RandA World Amateur Golf Rankings.
Positions of Scots (highlighting whether they have gone up or down the rankings since last week):

18 James Byrne no change.
63 Michael Stewart -5.
82 Ross Kellett +8.
170 Stuart Ballingall +5.
171 Kris Nicol +5.
306 Scott Crichton +6.
323 James White +7
340 Scott Larkin +4
368 Peter Latimer +2
394 Brian Soutar -5.
474 Paul Shields no change