Changes

'''Fat Fritz 2''' is based on [[NNUE]] technology using [[Stockfish NNUE]] aka of [[Stockfish|Stockfish 12]] with a customized, double sized network, and thus, does running on a CPU, not require requiring expensive [[GPU]] graphic cards for game playing like its predecessor.The network was trained by [[Albert Silver]] with the help of [[Daniel Uranga]] and [[Dietrich Kappe]], who provided scripts and ideas.Further credits were given to the [[:Category:Stockfish Contributor|Stockfish contributors]], and in particular [[Yu Nasu]] for his groundbreaking work on NNUE, and [[Hisayori Noda]] for the initial [[Stockfish NNUE]] implementation <ref>[https://en.chessbase.com/post/92134 fat-fritz-2-best-of-both-worlds Fat Fritz 2: The Best of Both Worlds] by [[Albert Silver]], [[ChessBase|ChessBase News]], February 10, 2021</ref>.The network was trained by [[Albert Silver]] using Using the original Fat Fritzas initial supervisor to evaluate chess positions,the learning of Fat Fritz 2 was [[Reinforcement Learning|reinforced]] by Stockfish's [[Alpha-Beta|alpha-beta]] [[Search|search]] <ref>[https://en.chessbase.com/post/fat-fritz-2-0-the-new-number-1 Fat Fritz 2.0 - The new number 1], [[ChessBase|ChessBase News]], February 09, 2021</ref>.