Author: Uri Blass
Date: 18:59:45 08/21/01
Go up one level in this thread
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
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