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Subject: Re: Test positions from sjeng-movei games

Author: Bas Hamstra

Date: 06:17:20 08/07/02

Go up one level in this thread


On August 07, 2002 at 06:54:32, Uri Blass wrote:

>On August 07, 2002 at 05:32:20, Gian-Carlo Pascutto wrote:
>
>>On August 07, 2002 at 02:00:16, Uri Blass wrote:
>>
>>>I am not sure if it is the only correct move but sjeng won the game when some
>>>other programs want to play 19.Nxf5 with negative evaluation.
>>
>>Sjeng isn't particularly happy about the position either, but better
>>to counterattack than get squeezed to death.
>
>I believe that 19.Qf3 is good for white but I may be wrong.
>
>The point is that the black rook at h8 is out of game after 19.Qf3 Be4 20.Nf5
>Q..(movei played Qc7) 21.Nxg7+ Kf8 22.Qe3 Kxg7 23.Qh6+ Kg8
>
>Sjeng shows often big positional scores so I suspected that it was the case also
>in this case without looking at it's evaluation but I see that in this case I
>was wrong.
>
>Movei lost the game very fast so I will look later for the mistake of it(the
>game is not in the computer that I use at this moment).
>
>Uri

Tao thinks that black is better after Qf3. Nf5 is close to Qf3. Blacks mistake
must be later in the game I think.

Bas.

 9     -42      2910   1012853  e3f3 f5e4 d4f5 d6c7 f5g7 e8f8 f3a3 f8g7 a3a6
                                h8d8 d1d8 c7d8
 9.    -42      5710   2201789  e3f3 f5e4 d4f5 d6c7 f5g7 e8f8 f3a3 f8g7 a3a6
                                h8d8 d1d8 c7d8
10     -31      7410   3038736  e3f3 f5e4 d4f5 d6c7 f5g7 e8f8 f3e3 f8g7 b1c3
                                c7c6 e3h6 g7g8 c3d5
10.    -31     10930   4527022  e3f3 f5e4 d4f5 d6c7 f5g7 e8f8 f3e3 f8g7 b1c3
                                c7c6 e3h6 g7g8 c3d5
11     -42     14880   6388257  e3f3 f5e4 d4f5 d6e5 f5g7 e8f8 f3a3 f8g7 a3a6
                                e5e6 a6a4 h8e8
11     -42     22680   9681724  d4f5!!
11     -36     31250  13373755  d4f5 d6d1 g1h2 e8g8 f5e7 b7e7 e3e7 d1c1 e7e2
                                f8e8 e2d2 c1c4 b1c3
11.    -36     40420  17337035  d4f5 d6d1 g1h2 e8g8 f5e7 b7e7 e3e7 d1c1 e7e2
                                f8e8 e2d2 c1c4 b1c3
12     -49     54480  23196899  d4f5 d6d1 g1h2 e8g8 f5e7 b7e7 e3e7 d1c1 e7e5
                                f8e8 e5c3 c1f1 c3c2 f6e4
12     -49     59750  25700924  e3f3!!
12     -39     69810  30500240  e3f3 f5e4 d4f5 d6b8 f5g7 e8f8 f3e3 f8g7 b1c3
                                e4c2 e3h6 g7g8 c1f4 b8f8 h6g5 c2g6
12.    -39    103420  44795636  e3f3 f5e4 d4f5 d6b8 f5g7 e8f8 f3e3 f8g7 b1c3
                                e4c2 e3h6 g7g8 c1f4 b8f8 h6g5 c2g6





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