Author: Peter Kappler
Date: 22:30:51 02/23/03
Go up one level in this thread
On February 24, 2003 at 00:45:01, John C. wrote: >On February 23, 2003 at 18:46:27, Peter Kappler wrote: > >>On February 23, 2003 at 18:30:30, Rolf Tueschen wrote: >> >>>On February 23, 2003 at 17:22:40, Peter Kappler wrote: >>> >>>>On February 23, 2003 at 15:20:37, Janosch Zwerensky wrote: >>>> >>>>>Hi all, >>>>> >>>>>let's consider this position that happened today in Linares: >>>>> >>>>>[D]2kr3r/4b1p1/pqn1p3/1p1pP3/2pP1Bn1/P1P3N1/1P1QB2P/R3K2R b KQ - 0 21 >>>>> >>>>>Do any programs want to play 21. ... Ngxe5!, like Radjabov did? >>>>>Have any of you played out the possible continuations 22. dxe5 and 22. Bxe5 in >>>>>engine-matches or is there GM analysis somewhere already available on these? >>>>> >>>>>Regards, >>>>>Janosch >>>> >>>> >>>>I don't think this sacrifice is sound. I haven't seen any GM analysis, but I >>>>did look at the position briefly with Fritz. >>> >>>Perhaps I miss something but isn't such a phrasing nonsense? I wished that you >>>could give a context of your opinion. But then to seek help with Fritz seems >>>premature. What is your own opinion? >>> >> >> >>My opinion, before using Fritz, was that Black didn't have enough compensation >>for the piece. >> >>My opinion, after using Fritz, is still that Black doesn't have enough >>compensation, but the position is a little bit trickier than I thought. (See >>the line I gave with 26. Qxg7) >> >>-Peter >> > >My opinion, without looking at anything more than 5 seconds, is that Black gets >enough compensation. > >Respectfully, > >John > You could have saved yourself 4 seconds by flipping a coin. :) -Peter >> >>>Rolf Tueschen >>> >>> >>>> Here's what I found: >>>>After 21. Ngxe5 22. Bxe5 Nxe5 23. dxe5 Qc7 it's difficult for White to defend >>>>the e-pawn, for example 24. Qe3 Bc5 25. Qg5 Be7 and now White either has to >>>>repeat moves or hand Black a big initiative. An example line is 26. Qxg7 Rdg8 >>>>27. Qf7 Rxg3 28. Qxe6+ Kb8 29. O-O-O (29. Qxa6?! Qxe5). Fritz thinks White is >>>>fine, but maybe Kasparov wanted to keep things a bit more under control. >>>> >>>>If the above variation scared Kasparov, he could have played the simpler >>>>24.O-O-O Qxe5 25. Kb1. White is doing well here - I don't know why Garry >>>>wouldn't want this position. >>>> >>>>I didn't bother to look at 22. dxe5 d4, but I'm guessing Black is fine there. >>>> >>>>-Peter
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