And it's interesting to note that according to DeepMind, the Master version of AlphaGo was 3 stones stronger than the version that played Lee Sedol. I don't kno

And it's interesting to note that according to DeepMind, the Master version of AlphaGo was 3 stones stronger than the version that played Lee Sedol. I don't know if the latest one playing Ke Jie is even stronger than Master or by how much, but the difference in Ke Jie and Lee Sedol isn't 3 stones.