Brains in Bahrain in 2001. The other competing program was Junior; the reigning world computer chess champion Shredder declined an invitation to compete. The 24-game match started very poorly for Fritz, which lost five games in a row before coming back strongly in the last ten games to tie the series and finally win the play-off. Fritz became Deep Fritz when its hardware was extended to an eight-processor machine for the competition. Kramnik was given several advantages in his match against Fritz when compared to most other Man vs. Machine matches, such as the one Garry Kasparov lost against Deep Blue in 1997.
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