Why did validation of lead cards fail in the end of the event

Version 4.13 (August 2018): A warning is shown when this problem occurs, both in normal events and in Swiss Pairs. Q: We played a 36-board event today with lead card validation. Boards 33-36 were tough. I believe that Magic Contest used 33-36 while Bridgemate/server used 1-4, so it was difficult to randomly find the right … Continue reading Why did validation of lead cards fail in the end of the event