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Subject: Re: Rebel - v Wely

Author: Uri Blass

Date: 07:02:47 02/19/02

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On February 19, 2002 at 09:22:41, Tony Werten wrote:

>On February 19, 2002 at 09:16:22, Uri Blass wrote:
>
>>On February 19, 2002 at 09:01:51, Tony Werten wrote:
>>
>>>On February 19, 2002 at 08:53:29, Uri Blass wrote:
>>>
>>>>On February 19, 2002 at 08:39:37, Peter Berger wrote:
>>>>
>>>>>On February 19, 2002 at 08:33:42, Uri Blass wrote:
>>>>>
>>>>>>12...g6! 13.Bh6 Nxd4 14.Bxf8 Bxf8 15.Qh4 Bc5 16.Rad1 Nd7 17.Qg3
>>>>>>  ±  (0.78)   Depth: 11/33   00:00:58  33368kN
>>>>>>
>>>>>
>>>>>That looks extremely optimistic . It seems now after 15. a4 b4 the compensation
>>>>>for black is quite obvious. I liked Junior 7 at move 14 for black which judged
>>>>>+0.31 . Now black maybe even has some advantage ?
>>>>
>>>>the game continued 15.a4 b4 16.Ne2 Nxe2+ 17.Rxe2 and Junior7 believes that it is
>>>>a draw based on it's evaluation.
>>>
>>>Back at the office again :(
>>>
>>>It seems there's not a whole lot white has left. When I walked back I was
>>>thinking v Wely might have choosen the best opening, specially with black.
>>>Programs will play for the attack but after giving the exchange the danger is
>>>gone while an engine will only see the material plus and go into it instead of
>>>keeping the attack going.
>>>
>>>Tony
>>
>>It depends on the engine
>>You can see that Junior does not see the material plus.
>
>Yes, but that's at move 17. The rook was taken at move 14. If it would have seen
>a drawscore (at 14 or earlier) then it might not take the rook, but I think
>that's way too deep. It might even be that after 12. ... g6 there's no way back
>anymore.
>
>Tony

After g6 Junior does not want to win material and prefers to prevent Nxd4
by trading knights

New game - Crafty 18.12
[D]r2q1rk1/1b2bp1p/p1n1pnp1/1p1pN1B1/3P4/2NB3Q/PPP2PPP/R3R1K1 w - - 0 1

Analysis by Junior 7:

13.Nxg6 hxg6 14.Bh6 Nxd4 15.Bxf8
  µ  (-0.93)   Depth: 3   00:00:07
13.a4 Nxd4 14.axb5
  ²  (0.39)   Depth: 3   00:00:07
13.Nxc6 Bxc6 14.Bh6
  ±  (0.76)   Depth: 3   00:00:07
13.Nxc6 Bxc6 14.Bh6 Re8
  ±  (1.04)   Depth: 6   00:00:07  3kN
13.Nxc6 Bxc6 14.Bh6 Qc7 15.Bxf8 Bxf8 16.Be2
  ±  (0.88)   Depth: 9   00:00:07  37kN
13.Nxc6 Bxc6 14.Bh6 Re8 15.a4 b4 16.Ne2 Qc7
  ±  (0.82)   Depth: 12   00:00:07  419kN
13.Nxc6 Bxc6 14.Bh6 Re8 15.a3 Qc7 16.Qf3 Rec8 17.Be2
  ²  (0.69)   Depth: 15   00:00:17  5783kN
13.Nxc6 Bxc6 14.Bh6 Re8 15.a3 Bf8 16.Be2 Bxh6 17.Qxh6 Qc7 18.h3
  ²  (0.64)   Depth: 17   00:01:41  50238kN

(Blass, Tel-aviv 19.02.2002)

Uri



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