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Subject: Re: Never seen Fritz 6 get beaten so easily

Author: Uri Blass

Date: 07:20:31 09/05/02

Go up one level in this thread


On September 05, 2002 at 10:08:09, Rolf Tueschen wrote:

>On September 05, 2002 at 09:54:16, Uri Blass wrote:
>
>>On September 04, 2002 at 17:06:29, John Wentworth2 wrote:
>>
>>>Is this a common opening for defeating programs??
>>>
>>>
>>>On Chess.net
>>>
>>>Belle is Fritz6 on a 1.2Ghz Athlon 64MB hash size
>>>
>>>
>>>MrMarlboro (2557) vs. Belle (2543) --- Mon Sep  2, 11:08 EDT 2002
>>>unrated blitz match, initial time: 5 minutes, increment: 8 seconds.
>>>
>>>Move  MrMarlboro         Belle
>>>----  ----------------   ----------------
>>>  1.  e4      (0:00.0)   c5      (0:00.0)
>>>  2.  e5      (0:00.9)   Nc6     (0:27.0)
>>>  3.  f4      (0:01.0)   g5      (0:22.2)
>>>  4.  d4      (0:00.8)   cxd4    (0:21.4)
>>>  5.  Bc4     (0:01.0)   gxf4    (0:19.7)
>>>  6.  c3      (0:01.9)   dxc3    (0:17.9)
>>>  7.  Bxf7+   (0:06.0)   Kxf7    (0:06.9)
>>>  8.  Qh5+    (0:06.7)   Ke6     (0:11.4)
>>>  9.  Qh3+    (0:00.8)   Kxe5    (0:18.5)
>>> 10.  Bxf4+   (0:03.2)   Kxf4    (0:13.8)
>>
>>
>>This is a  big tactical blunder
>>Fritz6 is simply weak in tactics here
>>
>>Deep Fritz with only 32 mbytes and p800 can see the fail low for Kxf4
>>in 10 seconds.
>>
>>[D]r1bq1bnr/pp1pp2p/2n5/4k3/5B2/2p4Q/PP4PP/RN2K1NR b KQ - 0 1 bm Kf6
>>
>>Analysis by Deep Fritz:
>>
>>10...Ke5xf4!
>>  -+  (-5.66)   Depth: 1/5   00:00:00
>>10...Ke5xf4! 11.Nb1xc3
>>  -+  (-6.13)   Depth: 1/6   00:00:00
>>10...Ke5xf4 11.Nb1xc3
>>  -+  (-6.13)   Depth: 2/8   00:00:00
>>10...Ke5xf4 11.Qh3-g3+ Kf4-f5 12.Nb1xc3
>>  -+  (-6.00)   Depth: 3/12   00:00:00  1kN
>>10...Ke5xf4 11.Ng1-e2+ Kf4-g5 12.Qh3-g3+ Kg5-h6 13.Nb1xc3
>>  -+  (-6.13)   Depth: 4/16   00:00:00  7kN
>>10...Ke5xf4 11.Nb1xc3 d7-d5 12.Qh3-g3+ Kf4-f5 13.Ng1-f3
>>  -+  (-6.00)   Depth: 5/18   00:00:00  21kN
>>10...Ke5xf4--
>>  -+  (-5.69)   Depth: 6/19   00:00:00  79kN
>>10...Ke5xf4-- 11.Qh3-h5 d7-d5 12.Ng1-e2+ Kf4-e4 13.Nb1xc3+ Ke4-d3 14.Ra1-d1+
>>Kd3-c4 15.Nc3xd5
>>  -+  (-4.66)   Depth: 6/20   00:00:00  106kN
>>10...Ke5xf4--
>>  -+  (-4.34)   Depth: 7/24   00:00:00  119kN
>>10...Ke5xf4-- 11.Qh3-h5 Bf8-g7 12.Ng1-e2+ Kf4-e4 13.Qh5-f3+ Ke4-e5 14.Qf3xc3+
>>Ke5-e6 15.Qc3xg7
>>  -+  (-3.47)   Depth: 7/26   00:00:00  270kN
>>10...Ke5xf4--
>>  -+  (-3.16)   Depth: 8/26   00:00:00  350kN
>>10...Ke5xf4-- 11.Qh3-h5 d7-d5 12.Ng1-e2+ Kf4-e4 13.Nb1xc3+ Ke4-d3 14.Ra1-d1+
>>Kd3-c4 15.Rd1xd5 Qd8-b6 16.Qh5-h4+
>>  -+  (-1.78)   Depth: 8/31   00:00:01  858kN
>>10...Ke5xf4--
>>  -+  (-1.47)   Depth: 9/26   00:00:02  1301kN
>>10...Ke5xf4-- 11.Qh3-h5 d7-d5 12.Ng1-e2+ Kf4-e4 13.Nb1xc3+ Ke4-d3 14.Ra1-d1+
>>Kd3-c4 15.Rd1xd5 Ng8-f6
>>  µ  (-1.25)   Depth: 9/36   00:00:03  2409kN
>>10...Ke5xf4 11.Qh3-h5 d7-d5 12.Ng1-e2+ Kf4-e4 13.Nb1xc3+ Ke4-d3 14.Ra1-d1+
>>Kd3-c4 15.Rd1xd5 Ng8-f6 16.Qh5-h4+
>>  µ  (-1.25)   Depth: 10/40   00:00:08  6338kN
>>10...Ke5xf4--
>>  µ  (-0.94)   Depth: 11/30   00:00:10  7373kN
>>10...Ke5xf4-- 11.Qh3-h5 d7-d5 12.Ng1-e2+ Kf4-e4 13.Nb1xc3+ Ke4-d3 14.Ra1-d1+
>>Kd3-c4 15.Rd1xd5 e7-e5 16.Rd5xd8
>>  +-  (1.81)   Depth: 11/42   00:00:28  15962kN
>>10...Ke5-f6!
>>  +-  (1.78)   Depth: 11/42   00:00:29  21858kN
>>10...Ke5-f6! 11.Qh3-h4+ Kf6-f7 12.Qh4-h5+ Kf7-e6 13.Qh5-h3+
>>  =  (0.00)   Depth: 11/43   00:00:40  29174kN
>>10...Ke5-f6 11.Qh3-h4+ Kf6-f7 12.Qh4-h5+ Kf7-e6 13.Qh5-h3+
>>  =  (0.00)   Depth: 12/43   00:01:10  48823kN
>>
>>(Blass, Tel-aviv 05.09.2002)
>
>My FRITZ 7 gets it even "faster". Kf6 in 24'' but still with +- and after 27''
>he sees =. As engine in CB8. Is Deep slower or is it because of CB8?
>
>Rolf Tueschen

It is old Deep Fritz(the Deep Fritz that came before Fritz7)
Sorry for not mentioning it.

Uri



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