 Complete the following phrase:  Deep Blues victory switched the canonical example of a game where humans outmatched machines to the ancient Chinese game of Go, a game of simple rules and far more possible moves than chess, which requires more intuition and is less susceptible to brute force. Go is widely played in China, South Korea, and Japan, and was considered one of the four arts of the Chinese scholar in antiquity. Go programs were able to defeat only amateur players until 2015, when Google DeepMinds AlphaGo program surprisingly defeated Lee Sedol in the match 