Nb3 Be7 Rc1 Qe2 c5 Nfd2 Qc6 Qh5 Qxa4 Nxc5 Nxc5 Qf3 Rf8 Qe4 Qd7 Nb3 Bb6 Rfd1 Qf7 Rf1 Qa7 Nd4 a4 Kh1 Bxc1 Kramnik fell behind in the match when he lost Game 2 by walking into a checkmate in one move with hardly any pieces remaining on the board, a mistake that ranks as one of the biggest in championship-level chess history.
Needing a win today to tie the match, Mr. Kramnik took some chances, eventually lost a pawn, and was then outmaneuvered by the computer. Rb8 with an advantage for Black, but Kramnik played Now the only move is In the above shot of the live computer screen, taken with a very long tele lens, we see that Fritz, running on a Transtec server at 9. Fritz intends to play the move and sees a forced draw. Kramnik contemplated the position for a few minutes. Then he played That is position I showed you at the start of this article.
What was your assessment? Can White now defend a position that looks like it is winning for Black? How can he do that?
After calmly playing Qe3, Kramnik stood up, picked up his cup and was about to leave the stage to go to his rest room. Fritz operator Mathias Feist kept glancing from the board to the screen and back, believing he must have input the moves incorrectly. Fritz was displaying mate in one! When Mathias executed it on the board, Kramnik grasped his forehead. He took his seat to sign the scoresheet and left for the press conference, during which he said:.
I was calculating the line very long in advance, and then recalculating. It was very strange, some kind of blackout. I was feeling well, I was playing well, I think I was pretty much better. Finally I blundered mate in one. Actually it was the first time that it happened to me, and I cannot really find any explanation.
It's just very strange, I cannot explain it. The question that everyone was asking was: how can a player of Kramnik's caliber, a World Champion who hovers around the Elo mark, overlook a mate in one move?
When negotiations for a Kramnik versus computer match commenced in October , the obvious computer opponent was Shredder , the reigning World Computer Chess Champion [16]. But Brain Games Network decided instead to hold a qualifying event to which many of the world's strongest programs were not invited, provoking outrage in computer chess forums on the internet [17].
The qualifying match itself provoked surprise in the computer chess community, with doubts about how Junior's early lead, which it sustained until after the 14th game completely eroded during the next 10 games, thereby causing a tied match and a play-off that was won by Fritz [18] [19]. After the Kasparov versus Deep Blue experience, where Kasparov had to play an almost unknown entity, a concession was made to Kramnik to his advantage.
ChessBase was required to freeze the Fritz code several months before the start, while Kramnik received exactly this version allowing him and his seconds to prepare. For the match, Fritz was only allowed to change its opening book preferences.
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