A number of amendments have been made to the PDC calendar in relation to ProTour events and European Tour Qualifiers.
The events which have been updated are
Monday May 9 (Wigan) - ET8-9 Tour Card Holder Qualifiers (1400 BST start)
Tuesday May 10 (Wigan) - Players Championship 14
Wednesday May 11 (Wigan) - Players Championship 15
Tuesday June 14 (Niedernhausen) - Players Championship 16 (1400 CET start)
Monday July 11 (Barnsley) - now ET10-11 Tour Card Holder Qualifiers
Wednesday August 3 (Barnsley) - is now Players Championship 21
Thursday August 4 (Barnsley) - is now Players Championship 22
Friday August 5 (Barnsley) - is now Players Championship 23
Friday September 30 (Dublin) - is now Players Championship 24
Saturday October 1 (Dublin) - is now Players Championship 25
Friday October 21 (Barnsley) - Players Championship 26