Even though chess is now effectively solved against human players, I still remember Kasparov's suspicion that one of Deep Blue's moves had a human touch. It was

Even though chess is now effectively solved against human players, I still remember Kasparov's suspicion that one of Deep Blue's moves had a human touch. It was never proven or disproven, but I trust Kasparov's deep intuition amplified by Kasparov requesting access to Deep Blue’s logs, and IBM refusing to share them in full. For more discussions see [1][2][3]. [1] https://chess.stackexchange.com/questions/9959/did-deep-blue-play-like-a-human https://chess.stackexchange.com/questions/9959/did-deep-blue... [2] https://nautil.us/why-the-chess-computer-deep-blue-played-like-a-human-235130/ https://nautil.us/why-the-chess-computer-deep-blue-played-li... [3] https://en.chessbase.com/post/deep-blue-s-cheating-move https://en.chessbase.com/post/deep-blue-s-cheating-move