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Issei Yamamoto

Issei Yamamoto is the developer of AI 'PONANZA' which has won 4 consecutive victories against its 'Human' Champions in Major Pro Shogi (Japanese Chess) competitions. 
 
Shogi, a traditional Japanese chess, has the highest game complexity of all popular chess variance. The total probability movement for Shogi is 10^226 which is less than Go (10^360) but by far pass the complexity
of Chess (10^123) or Chinese chess 'Xiang qi' (10^150). This is due to its unique rules which has options of upgrading any pieces that advance over the opponent's side or utilize the captured opponent's piece and use against the opponent.
 
Last year 'PONANZA' capable of reading 45 million movements per second, won 2 complete victories against the highest ranking pro champion (level 8)  Tanaka Yamazaki.  Yamamoto upgraded his AI by matching 3000 games against different versions of PONANZA. This method of 'Machine Learning' heightened the wining probability by 2%p average. 
  
After graduating University of Tokyo School of Engineering, Yamamoto currently works as a senior lead engineer in an AI research company HEROZ Inc. He is an assistant professor in Aiichi Gakuin University and a guest researcher in University of Tokyo Research Center for Advanced Science and Technology. 
He also published a book titled 'How Artificial Intelligence surpassed Human Champion'.  
 
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