Wasn't reading the whole thread, but was it possible for Lee Sedol to play against the final AlphaGo before? Although AlphaGo seems to be a huge achievement I w

Wasn't reading the whole thread, but was it possible for Lee Sedol to play against the final AlphaGo before? Although AlphaGo seems to be a huge achievement I would find the lack of training before a bit unfair as AlphaGo was probably able to play lots of Games from Sedol before.