They have actually released a trove of game records from the newest version, with two actually commented by a professional:
http://www.alphago-games.com/

After working a few years at Nielsen (in data-heavy development roles), this sort of issue is what prompted me to leave. Trying to convince them that ensuring data integrity is worthwhile was an uphill battle. Sure, they have lots of valuable data... but it's all dirty as heck. Now they think they can just throw some machine learning on top of it to fix everything right as rain. We can all guess how well that will go!