30 Jul Block C will take 90min to complete +/-10min

Created by Peter Hurford on 2014-07-30; known on 2014-07-31; judged right by Peter Hurford on 2014-07-31.

• Peter Hurford estimated 60% on 2014-07-30
• Peter Hurford said “Took 86 minutes” on 2014-07-31
• Peter Hurford   judged this prediction right on 2014-07-31.