Original sentence: "  Kramnik, in a better position in the early middlegame, tried a piece sacrifice to achieve a strong tactical attack, a strategy known to be highly risky against computers who are at their strongest defending such attacks.It is well that Levy didn't renew his bet for another ten years, because in 1989 he was crushed by the computer Deep Thought in an exhibition match
Edited sentence: "  Kramnik, in a better position in the early midgame, tried a spectacular piece sacrifice to achieve a strong tactical attack, a strategy known to be highly risky against computers who are at their strongest defending such attacks.Finally, a six-game match was too short for Kasparov to adjust to any potential weaknesses of Deep Blue.Firstly, in one of the games, Kasparov was not defeated over the board.He angrily accused the Deep Blue team of feeding human input to the computer as the game was in progress.He resigned in a technically drawn position, perhaps distraught that Deep Blue was playing such human-like moves.In all his previous encounters with computers Kasparov had finished more strongly than he began, and it is reasonable to suppose that he would have fared better in a twenty-four game match, the traditional length of World Championship matches.It is well that Levy didn't renew his bet for another ten years, because in 1989 he was crushed by the computer Deep Thought in an exhibition match, and would probably have lost even to earlier, lesser computers.Kasparov's strength lies in overwhelming opponents tactically and psychologically, both of which play to the strength of computers, whereas Vladimir Kraminik, who recently defeated Kasparov in a World Championship match, is more content to defend a tenable position, probe for weaknesses, and accumulate small advantages.One great advantage of humans over computers is adaptability.Secondly, there are other players whose playing style is recognised as more effective against computer opponents.That incarnation of Deep Blue had no tournament record before the match, whereas the Deep Blue team was able to study and prepare against hundreds of Kasparov's public games.Thirdly, it was impossible for Kasparov to prepare to play the machine as he would against a human opponent, as the computer's programming was adjusted between prior matches and the Kasparov match.Thus this defeat should be reckoned more as a psychological loss than an indication of inferior chess ability