Author: Sune Larsson
Date: 09:37:01 06/04/01
Go up one level in this thread
On June 04, 2001 at 10:42:17, Uri Blass wrote:
>On June 04, 2001 at 10:17:35, Uri Blass wrote:
>
>>On June 04, 2001 at 09:33:39, Sune Larsson wrote:
>>
>>>
>>> [D]2br3r/1pN1pk2/p1np1pq1/6p1/2P1P1p1/1P2Q1B1/P4PPP/3RR1K1 b - - 0 22
>>>
>>>
>>> This is the position from the CCT3 tournament game Insomniac-Shredder.
>>> After recieving some mails requesting for comments to my game vs Deep Fritz,
>>> I post this follow up. It focuses on the subjects "doing nothing" vs
>>> "doing something", how good are top programs in detecting attacks?,
>>> how intense and strong is their play when examined under a microscope?
>>> Kramnik is just around the corner...and what could we really expect from
>>> those coming games?
>>>
>>> In this special game, white has just played 22.Rfe1. Shredder didn't like
>>> the position (some people claimed it was almost lost), and chose "doing
>>> nothing" with 22.-Rhf8. White then won. But what would happen if we tried
>>> a more aggressive attacking plan for black? I wanted to know and that's the
>>> reason for the following game vs Deep Fritz.
>>>
>>> I refrain from more conclusions than those embedded in the pgn.game comments.
>>>
>>>
>>>[Event "Nivå=120'/40+60'/20+30'. "]
>>>[Site "KIL"]
>>>[Date "2001.06.01"]
>>>[Round "?"]
>>>[White "Deep Fritz"]
>>>[Black "Larsson"]
>>>[Result "0-1"]
>>>[SetUp "1"]
>>>[FEN "2br3r/1pN1pk2/p1np1pq1/6p1/2P1P1p1/1P2Q1B1/P4PPP/3RR1K1 b - - 0 22"]
>>>[PlyCount "61"]
>>>[EventDate "2001.06.01"]
>>>
>>>{128MB, PowerBig.ctg. PIII 800 In this position Shredder chose a standstill
>>>and with 22.-Rhf8 intended to do nothing. White eventually broke through with
>>>c5 and won the game. Black's major problem is his king, but if white is not
>>>active enough, black can create dangerous counterplay on the kingside. The
>>>vulnarable squares around white's king are h2 and f3, so a setup with Ne5, Qh5
>>>(to support a possible Nf3+) and doubling the rooks on the h-file, looks
>>>promising.} 22... Qh5 {0 Gambit Tiger chooses 22.-e5 with the plan of planting
>>>the knight on d4. But white gets a dangerous attack after 23.Qb6 Nd4 24.Rxd4
>>>and later breaking in the center. After some moves GT showed an eval of more
>>>than -2.00. In this variation black's king is too naked. Instead 22.-Qh5 focus
>>>on both h2 and f3, and if white is passive, he can easily get in danger.} 23.
>>>a3 {1.44/14 196 White is doing nothing. This move simply wastes a tempo and
>>>has no purpose at all. Much better was f.e.23.c5} 23... Rh6 {54 Preparing to
>>>double the rooks on the h-file, and at the same time setting a little trap for
>>>white, who now can go pawnhunting.} 24. Qb6 {1.97/14 93 Yes, white sees the
>>>option of getting some on the Q-side. Much more direct was again 24.c5} 24...
>>>Ne5 {56 And now black has reached his ideal attacking setup. White has to be
>>>very careful about the option Nf3+, since there are loads of mate patterns
>>>with a black pawn on f3.} 25. Nxa6 {2.09/13 75 White takes the pawn and feels
>>>happy with +2.09. Again white could play 25.c5
>>
>>I believe that the time management of Deep Fritz is the main mistake
>>here.
>>
>>Deep Fritz has a tendency to use less time when the score goes up and
>>it is a clear mistake in the time management.
>>
>>This mistake in time management is typical to Fritz's versions.
>>
>>If you give Deep Fritz more time to get into depth 14
>>it can find 25.Ne6 with no problem and I believe that white
>>has no problem after 25.Ne6.
>>
>>Uri
>
>I can add that the main problem is
>not failing high but the fact that Fritz does not like to calculate
>when it see a big advantage for itself.
>
>At depth 14 Deep Fritz fails low but Fritz cannot get into depth 14
>at tournament time control because it does not like to calculate
>when the evaluation is more than +2.
Thanks, a very interesting comment. I didn't know this "habit" of Fritz.
Obviously there are great risks with such a time management...
In the game I was very happy when Fritz took the pawn on a6, simply
because such play cannot be correct.
Sune
>
>Uri
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