[kfjthegu] Chess memorization demonstration

6 player double round robin, perhaps blitz, with only one game going on at any given moment, the other 4 players observing.  After the tournament, the 6 players work together to reconstruct from their combined memory all 30 games (which is probably something like 2400 half-moves).  I suspect grandmasters will find this easy, but common people will find it astounding.