Author: Peter Kappler
Date: 15:46:27 02/23/03
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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 >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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