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Subject: Re: Serious blunder by Junior 8 or excellent attack by CM? You decide.

Author: Uri Blass

Date: 00:45:42 08/03/03

Go up one level in this thread


On August 03, 2003 at 02:28:15, Uri Blass wrote:

>On August 03, 2003 at 02:15:28, Uri Blass wrote:
>
>>On August 02, 2003 at 22:05:27, Anson T J wrote:
>>
>>>[d]2r2rk1/p3ppbp/6p1/8/8/QPqBBP2/P1P3PP/2KR3R w - - 0 20
>>>
>>>Junior 8 played 20. Bf2
>>>=  (0.00)  Depth: 16   0:03:29
>>>
>>>
>>>The King 3.23 SKR then played
>>>20... Rfd8!
>>>-+  (-8.87)  Depth: 13   0:10:47
>>>
>>>and won.
>>>
>>>Does any other engine also want to play 20. Bf2 ? I'm not sure if White's
>>>position lost before move 20. or if it was a blunder on move 20. that cost
>>>Junior the game.
>>
>>Movei on p850 finds that Bf2 is bad in a few minutes.
>>
>>depth=12 -1.02 e3f2 f8d8 f2e1 c3a1 c1d2 d8d3 c2d3 g7h6 f3f4 h6f4 d2e2 c8c2 e1d2
>>c2d2 d1d2 a1h1 a3b4 h1g2 e2d1 f4d2 b4d2 g2h3
>>Nodes: 26019905 NPS: 162067
>>Time: 00:02:40.55
>>depth=12 -0.72 h1f1
>>Nodes: 85792336 NPS: 166254
>>Time: 00:08:36.03
>>depth=12 +0.00 h1f1 f8d8 f1f2 d8d3 d1d3 c3e1 d3d1 e1e3 f2d2 c8c2 c1c2 e3c3 c2b1
>>c3a1 b1c2 a1c3
>>Nodes: 87750496 NPS: 166610
>>Time: 00:08:46.68
>>depth=12 +0.00 h1f1 f8d8 f1f2 d8d3 d1d3 c3e1 d3d1 e1e3 f2d2 c8c2 c1c2 e3c3 c2b1
>>c3a1 b1c2 a1c3
>>Nodes: 91564667 NPS: 165941
>>Time: 00:09:11.79
>>depth=13 +0.00 h1f1 f8d8 f1f2 d8d3 d1d3 c3e1 d3d1 e1e3 f2d2 c8c2 c1c2 e3c3 c2b1
>>c3a1 b1c2 a1c3
>>Nodes: 96423995 NPS: 166734
>>Time: 00:09:38.31
>>
>>Uri
>
>Rhf1 fails low at depth 14 and I guess that the advantage of this move is that
>the opponent may miss Rd5 when the win after Bf2 is a simpler win.
>
>
>depth=14 -1.09 h1f1 f8d8 f1f2 d8d5 a3a6 c8c7 a6a3 d5d3 d1d3 c3d3 e3c5 d3c3 c5b4
>c3a1 c1d2 g7h6 d2d3 a1d1 b4d2 c7c2
>Nodes: 213609561 NPS: 164867
>Time: 00:21:35.64
>
>
>Uri

Movei finds at that depth Qa4 that was mentioned as the best move.

depth=14 -0.38 a3a4 f8d8 b3b4 d8d3 d1d3 c3a1 c1d2 a1h1 a4a7 h1g2 e3f2 g2h2 d2d1
h2h1 f2e1 h1g2 a7f2 g2g5
Nodes: 974600104 NPS: 167369
Time: 01:37:03.04

Uri



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