Deep Blue versus Kasparov, 1997, Game 6 Deep Blue versus Kasparov, 1997, Game 6 Game 6 of the Deep Blue–Kasparov rematch, played in New York City on May 11, 1997 and starting at 3:00 p.m. EDT, was the last chess game in the 1997 rematch of Deep Blue versus Garry Kasparov. Deep Blue had been further strengthened from the previous year's match with Kasparov and was unofficially nicknamed "Deeper Blue". Before this game the score was tied at 2½–2½: Kasparov had won the first game, lost the second game, and drawn games 3, 4, and 5 (after having advantageous positions in all three). The loss marked the
Reversi game has been particularly attractive to programmers. Therefore, the best Othello computer programs have easily defeated the best humans since 1980, when the program "The Moor" beat the reigning world champion. In 1997, Logistello defeated the human champion Takeshi Murakami with a score of 6–0. Analysts have estimated the number of legal positions in Othello is at most 10, and it has a game-tree complexity of approximately 10. Mathematically, Othello still remains unsolved. Experts have not absolutely resolved what the outcome of a game will be where both sides use perfect play. However, analysis of thousands of high quality games