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Subject: What happened in round 2?

Author: Harald Faber

Date: 12:42:25 08/24/00

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On August 24, 2000 at 15:34:58, Wolfgang Zugrav wrote:

>On August 24, 2000 at 15:15:00, Uri Blass wrote:
>
>>On August 24, 2000 at 15:05:23, Shay Bushinsky wrote:
>>
>>>The game just ended - Nimzo broke Junior's defense with a strong Exchange sac
>>>and went on to win - last moves will be posted on kasparov.com soon a huge
>>>crowd blocked a little kid's way to continue relay the game and the end result
>>>is of course disappointing to us :(
>>
>>I think that 65.Ra3 was wrong.
>>The white king could stay at d5 with a draw if you do not let the kinght to go
>>to e2,f4.
>>
>>Previous versions of Junior have no problem to find the better 65.Rb2
>>
>>Uri
>
>Shay,
>disappointing for you - lucky for us.
>
>However, to be fair - Junior could have played more interestingly instead of
>72.Rxb5 the following (which is far away to calculate, and may not be correct):
>
>72.Ra8! b4 73.Rg8 Kc6 74.Rxg7 Kxb6 75.Rb1 (to avoid check on c3) Rc3+ 76.Kf2 b3
>77.Rh7 Kc6 78.Rxh6 b2 79.Rxf6 Rc1 80.Rxb2 Nd3+ 81.Kg2 Nxb2 82.h6! Rc2+ 83.Kg3
>Rc1 84.h7 Rh1 85.Rf7 Nc4 86.g5 e4 87.Re7 Ne5 (e3 looses) 88.Kf2 Rh5 89.Ke3 with
>good practical chances to win.
>
>Wolfgang


What happened to Nimzo in round 2 when Nimzo played 75...Ra2??
At the moment I try this position with Nimzo 7.32+TBs on my old K6-200 and the
eval drops from +0.02/11/20sec to -3.90/12/1min38 and after 2min20 changes to
Rc7 with increasing eval. Your computer is certainly much faster, I guess at
least 4x, so within few seconds Nimzo should have found that Ra2 loses. What
happened?




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