Author: Torstein Hall
Date: 00:41:32 08/22/01
Go up one level in this thread
On August 21, 2001 at 21:59:45, Uri Blass wrote: >On August 21, 2001 at 18:09:47, Torstein Hall wrote: > >>On August 21, 2001 at 16:37:31, Uri Blass wrote: >> >>>On August 21, 2001 at 16:18:40, Uri Blass wrote: >>> >>>>On August 21, 2001 at 16:00:09, Torstein Hall wrote: >>>> >>>>>I just checked the position with Tiger and it has the dull 14.Rb1 in book? >>>> >>>>It only proves that if Ba3 is the right move then this position is not easy for >>>>humans. >>>> >>>>I guess that most of the humans who did not analyze the position are going to >>>>play Rb1. >>>> >>>>I did not analyze the position in order to say if Ba3 is right and I am going to >>>>analyze it in order to get an opinion about it. >>>> >>>>The only opinion that I can get at tournament time control is that I am not >>>>smart enough to know. >>>> >>>>I will try to look at the lines that you gave in order to see if black has not >>>>good alternatives. >>>> >>>>Uri >>> >>>My first impression is that Bb7 is too passive and black has better >>>alternatives. >>> >>>Junior7 gives the options Rb8 or a5 with a small advantage for black. >>>I can think also of ideas to go with the knight to e7 in order to castle and Bb7 >>>is not in this direction. >>> >>>It seems that in order to get a clear opinion about the position hours of >>>analysis with chess programs are needed and I do not promise to do it. >>> >>>I have no clear opinion if the position is better for white,equal or better for >>>black. >>> >>>Uri >> >>Whatever it is its realy easy to play for white. You have the plan Ne5-c4-d6+. I >>think Bb7 is a must. Blacks play can be improved with Rd8 after Bb7, but white >>still has a big positional plus. As long as you can keep blacks king in the >>center you are actually playing with an extra piece. This is not medium to short >>range tactics where computers excel, but long range planning. So when analyzing >>with a computer, keep in mind, they simply do not understand this kind of >>position! > >I do not believe computers do not understand positional advantage >and I know even about cases of wrong sacrifices of computers because they >overestimated positional advantage. > >Junior7 is known as one of the program with the biggest positional score and it >does not like Bb7 > >If black wants to castle then he has a plan Nd5 Ne7 and 0-0 >I think that Nd5 is the move that I am going to play for black and not Bb7. > >remember that black can also sacrifice also after Bxa1 Qxa1 > >For example >Nd5 Ne5 Ne7 Bf3 0-0 Nxc6 Nxc6 Bxc6 Rb8 Bxf8 Qxf8 > >I do not say that this line is best for both sides but it demonstrates possible >ideas for black > >If Ba3 is only another way to get equality then it is not objectively better >than Rb1 moves and I see no reason for computers to prefer it. > >I am not sure if black needs to castle in all variants and it may be possible to >develop the pieces without castling > >f6 and Kf7 at the right time is a possible idea. > >Uri I think Ba3 gives white the advantage, perhaps a outright winning advantage, but I have to admit its hard to prove! I have looked a bit at 16...Nd5 I feel that 17.Rc1 looks promising for white. The line 17...Bb7 18.Qb2 (or 18.Rb1!? )Rd8 19.Rb1 and I think black will be slowly "squeesed". Torstein
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