[ Booxxter @ 09.06.2012. 01:25 ] @
| Rajlich: Busting the King's Gambit, this time for sure 02.04.2012 – Fifty years ago Bobby Fischer published a famous article, "A Bust to the King's Gambit", in which he claimed to have refuted this formerly popular opening. Now chess programmer IM Vasik Rajlich has actually done it, with technical means. 3000 processor cores, running for over four months, exhaustively analysed all lines that follow after 1.e4 e5 2.f4 exf4 and came to some extraordinary conclusions. Vasik Rajlich: Okay, here’s what we have been doing. You know that Lukas Cimiotti has set up a cluster of computers, currently around 300 cores, which has been used by World Champions and World Champion candidates to prepare for their matches. It is arguably the most powerful entity to play chess, ever, anywhere. Well, that was until we hooked it up to a massively parallel cluster of IBM POWER 7 Servers provided by David Slate, senior manager of IBM's Semantic Analysis and Integration department – 2,880 cores at 4.25 GHz, 16 terabytes of RAM, very similar to the hardware used by IBM's Watson in winning the TV show "Jeopardy". The IBM servers ran a port of the latest version of Rybka, and computation was split across the two clusters, with the Cimiotti cluster distributing the search to the IBM hardware. We developed an algorithm which attempts to classify chess positions into wins, draws and losses. Using this algorithm, we have just finished classifying the King's Gambit. In other words, the King's Gambit is now solved. Whoa, that’s quite a lot to digest. First of all what exactly do you mean when you say that the King’s Gambit is “solved”? It’s solved in the sense that we know the outcome, just as we know the outcome for most five and six piece endings. Except that here we are dealing with a single starting position… … which is? 1.e4 e5 2.f4 exf4. We now know the exact outcome of this position, assuming perfect play, of course. I know your next question, so I am going to pre-empt it: there is only one move that draws for White, and that is, somewhat surprisingly, 3.Be2. Every other move loses by force. http://www.chessbase.com/newsdetail.asp?newsid=8047 Trebalo je da bude prvo-aprilska sala, a ispalo je drugo-aprilska. Sta je bilo od svega ovoga na kraju? Znam da je puno njih poverovalo u ovu vest. Ustvari i nisam stigao da pogledam ima li bar malo istine u ovome xD. |