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Subject: Re: FRITZ 8 cannot plays ENDGAMES (with 2 Diagrams) !!!

Author: Eduard Nemeth

Date: 00:10:46 07/21/03

On July 21, 2003 at 02:54:55, Uri Blass wrote:

>On July 20, 2003 at 14:00:45, Eduard Nemeth wrote:
>
>>Fritz 8 cannot win an easily won position, but however the amateur LIST!!
>
>
>I believe that you simply did not give Fritz enough time.
>
>some analysis by Fritz8.008
>
>New game
>[D]3b4/6k1/P7/6p1/KP6/Q4q2/8/8 b - - 0 1
>
>Analysis by Fritz 8:
>
>1...Qd1+ 2.Qb3 Qd5
>  µ  (-1.28)   Depth: 3/18   00:00:00  4kN
>1...Qd1+--
>  µ  (-1.00)   Depth: 4/14   00:00:00  6kN
>1...Qd1+ 2.Qb3 Qa1+ 3.Qa3 Qxa3+ 4.Kxa3
>  µ  (-0.94)   Depth: 4/14   00:00:00  8kN
>1...Qxa3+!
>  µ  (-1.31)   Depth: 4/14   00:00:00  9kN
>1...Qxa3+!
>  -+  (-1.50)   Depth: 4/14   00:00:00  9kN
>1...Qxa3+!
>  -+  (-1.78)   Depth: 5/10   00:00:00  11kN
>1...Qxa3+--
>  -+  (-1.50)   Depth: 6/11   00:00:00  22kN
>1...Qxa3+ 2.Kxa3 Bb6
>  -+  (-1.50)   Depth: 6/13   00:00:00  22kN
>1...Qxa3+!
>  -+  (-1.78)   Depth: 7/13   00:00:00  50kN
>1...Qxa3+!
>  -+  (-2.06)   Depth: 7/18   00:00:01  51kN
>1...Qxa3+!
>  -+  (-2.34)   Depth: 8/16   00:00:02  125kN
>1...Qxa3+!
>  -+  (-2.63)   Depth: 9/16   00:00:04  330kN
>1...Qxa3+--
>  -+  (-2.34)   Depth: 10/13   00:00:06  872kN, tb=4
>1...Qxa3+ 2.Kxa3 Bb6 3.Ka4 g4 4.Kb5 Ba7 5.Ka4 g3 6.Ka5 g2
>  -+  (-1.97)   Depth: 10/15   00:00:06  876kN, tb=5
>1...Qxa3+--
>  -+  (-1.69)   Depth: 11/15   00:00:11  3084kN, tb=28
>1...Qxa3+ 2.Kxa3 Bb6 3.Ka4 g4 4.Kb5 Ba7
>  -+  (-1.50)   Depth: 11/15   00:00:11  3091kN, tb=46
>1...Qc6+!
>  -+  (-1.53)   Depth: 11/34   00:00:23  8869kN, tb=50
>1...Qc6+!
>  -+  (-1.69)   Depth: 11/34   00:00:24  9374kN, tb=50
>1...Qc6+!
>  -+  (-2.00)   Depth: 11/40   00:00:27  10640kN, tb=50
>1...Qc6+ 2.Kb3 Qe6+ 3.Kc2 Qe2+ 4.Kb3 Qd3+ 5.Ka2 Qc4+ 6.Kb1 Bb6 7.Qa4 Qe4+ 8.Ka2
>Qc4+ 9.Kb2 Qd4+
>  -+  (-2.56)   Depth: 11/41   00:00:49  20204kN, tb=59
>1...Qc6+ 2.Kb3 Qe6+ 3.Kc2 Qe2+ 4.Kc1 Bb6 5.Qc3+ Kf7 6.Qc8 Qe1+ 7.Kc2 Qe4+ 8.Kc3
>Ke7 9.Kb3 Qd3+
>  -+  (-2.38)   Depth: 12/42   00:02:24  64312kN, tb=163
>1...Qc6+ 2.Kb3 Qe6+ 3.Kc2 Qe2+ 4.Kc1 Bb6 5.Qc3+ Kf7 6.Qc8 Qe1+ 7.Kc2 Qe4+ 8.Kc3
>Ke7 9.Kb3 Qd3+
>  -+  (-2.44)   Depth: 13/47   00:07:39  173963kN, tb=539
>1...Qxa3+!
>  -+  (-2.47)   Depth: 13/47   00:12:34  268960kN, tb=990
>1...Qxa3+!
>  -+  (-2.63)   Depth: 13/47   00:12:34  268965kN, tb=994
>1...Qxa3+!
>  -+  (-2.94)   Depth: 13/47   00:12:34  268974kN, tb=996
>1...Qxa3+!
>  -+  (-3.56)   Depth: 13/47   00:12:34  268996kN, tb=999
>1...Qxa3+ 2.Kxa3 Bb6 3.Ka4 g4 4.Kb5 Ba7 5.Kc6 g3 6.b5 g2 7.b6
>  -+  (-8.19)   Depth: 13/47   00:12:35  269130kN, tb=1032
>1...Qxa3+--
>  -+  (-7.91)   Depth: 14/29   00:12:39  270189kN, tb=1087
>1...Qxa3+ 2.Kxa3 Bb6
>  -+  (-7.91)   Depth: 14/29   00:12:39  270210kN, tb=1105
>1...Qxa3+ 2.Kxa3 Bb6 3.Ka4 g4 4.Kb5 Ba7 5.Kc6 g3 6.b5 g2 7.b6 g1Q 8.bxa7
>  -+  (-8.03)   Depth: 15/29   00:20:57  455085kN, tb=2572
>
>(Blass, Tel-Aviv 21.07.2003)


In this position after 75 moves (!) neither humans nor computer has 12 minutes
time.

Fritz 8 cannot do it, so simply is that!

Eduard

Re: FRITZ 8 cannot plays ENDGAMES (with 2 Diagrams) !!! George Tsavdaris 03:33:53 07/21/03
- Re: FRITZ 8.00.8 solved it in 6 Seconds even without Tablebase ! Jorge Pichard 11:24:02 07/21/03
  - Re: FRITZ 8.00.8 solved it in 6 Seconds even without Tablebase ! George Tsavdaris 11:47:23 07/21/03
    - Re: FRITZ 8.00.8 solved it in 6 Seconds even without Tablebase ! Jorge Pichard 12:28:26 07/21/03
      - Re: FRITZ 8.00.8 solved it in 6 Seconds even without Tablebase ! Matthew White 18:57:44 07/22/03
      - Re: FRITZ 8.00.8 solved it in 6 Seconds even without Tablebase ! Uri Blass 03:32:52 07/22/03
      - Re: Correction - - - FRITZ 8.00.8 solved it in 6 Seconds ! Jorge Pichard 12:32:05 07/21/03
Re: FRITZ 8 cannot plays ENDGAMES (with 2 Diagrams) !!! rait 02:04:56 07/21/03
- Re: FRITZ 8 cannot plays ENDGAMES (with 2 Diagrams) !!! Eduard Nemeth 06:21:08 07/21/03

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