Is this a new regulation?
Say Sebastian Weyer gets a 23 second 4x4 solve in the morning and then a 22 in the afternoon, the 23 is not even recognised as a world record? I'm not sure if I agree with that.
On February 1, 2007:
Art. 9i2, new: Regional records are recognised at the end of a round. If a record is broken twice or more in a round, only the latter is recognised.
On February 6, 2009:
Art. 9i2 removed. If registered clearly, all regional records in a round may be accepted. [WCA spirit, clarity]
On Aug 28, 2012:
First draft of the 2012 markdown regulations:
8i2) Results of official WCA competitions are considered to have taken place at the end of the calendar day the competition took place on. If a competition took place on multiple days, the results of each round are considered to have taken place on the last scheduled calendar day of the round.
On Aug 31, 2012:
More revisions by Sarah (Sarah: up through A2c, Lucas: up through 3d):
9i2) Results of official WCA competitions are dated to the calendar date of the competition. Should a competition span multiple days, the results of each round are dated to the last scheduled calendar date of the round.
On Sep 06, 2012:
Various formatting fixes.
9i2) Results of official WCA competitions are dated to the calendar date of the competition. If a competition spans multiple days, the results of each round are dated to the last scheduled calendar date of the round.
On Sep 17, 2012:
Clarifying the rule for resolving multiple records on the same day.
9i2) All the results of a round are considered to take place on the last calendar date of the round. If a regional record is broken multiple times on the same calendar date, only the best result is recognised as breaking that regional record.