Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Junior6.1's strange mistake from chessfun's games

Author: Paulo Soares

Date: 19:26:02 07/02/00

Go up one level in this thread


On July 02, 2000 at 14:07:47, Chessfun wrote:

>On July 02, 2000 at 13:57:33, Chessfun wrote:
>
>>On July 02, 2000 at 13:37:26, Chessfun wrote:
>>
>>>On July 02, 2000 at 13:08:26, Chessfun wrote:
>>>
>>>>On July 02, 2000 at 07:14:10, Paulo Soares wrote:
>>>>
>>>>>On July 02, 2000 at 03:10:20, Chessfun wrote:
>>>>>
>>>>>>
>>>>>>Though I just realized the pgn don't show TB access.
>>>>>>TB's were on or should have been as Fritz 6 disc was
>>>>>>in during the tourney and you always know when it has been
>>>>>>used as the start-up F6 dialog comes up.
>>>>>>
>>>>>>I will try it on the comp it was run on with TB's on.
>>>>>>
>>>>>>Junior 6.1 - Fritz 5.00
>>>>>>4k3/6Q1/2q5/3b4/1K6/8/8/8 w - - 0 1
>>>>>>
>>>>>>Analysis by Junior 6.1:
>>>>>>
>>>>>>90.Qe5+!
>>>>>>  =  (-0.11)   Depth: 9   00:00:00  93kN
>>>>>>90.Qe5+ Kd8 91.Qh8+ Kc7 92.Qc3 Qxc3+ 93.Kxc3
>>>>>>  =  (0.00)   Depth: 9   00:00:00  105kN
>>>>>>90.Qe5+ Kd8 91.Qh8+ Kc7 92.Qc3 Qxc3+ 93.Kxc3
>>>>>>  =  (0.00)   Depth: 12   00:00:01  383kN
>>>>>>90.Qe5+ Kd8 91.Qh8+ Kc7 92.Qc3 Qxc3+ 93.Kxc3
>>>>>>  =  (0.00)   Depth: 15   00:00:09  3932kN
>>>>>>90.Qe5+ Kd8 91.Qh8+ Kc7 92.Qc3 Qxc3+ 93.Kxc3
>>>>>>  =  (0.00)   Depth: 17   00:00:42  18659kN
>>>>>>90.Qe5+ Kd8 91.Qh8+ Kc7 92.Qc3 Qxc3+ 93.Kxc3
>>>>>>  =  (0.00)   Depth: 19   00:03:33  91846kN
>>>>>>
>>>>>>(Bird, Scarb 02.07.2000)
>>>>>>
>>>>>>
>>>>>>Thanks.
>>>>>
>>>>>I don't understand the reason of the differences among the analyses
>>>>>of the same position placed by Chessfun and the analyses done by
>>>>>Junior6a(default settings) in my computer, PIII-450, HT=99Mb.
>>>>>Main differences:
>>>>>
>>>>>1. The chosen move is different.
>>>>>2. In the analyses placed by Chessfun after the depth 15  appears the depth 17,
>>>>>   while in the analyses that I placed after the depth 15, appears the depth 18.
>>>>>
>>>>>Junior 6.0 - Soares,P
>>>>>4k3/6Q1/2q5/3b4/1K6/8/8/8 w - - 0 1
>>>>>
>>>>>Analysis by Junior 6.0:
>>>>>
>>>>>1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Ke8 5.Qg7
>>>>>  ³  (-0.40)   depth: 9   00:00:01  167kN
>>>>>1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qa8+ 6.Kb5 Qe8+ 7.Kc5 Qc8+
>>>>>8.Kd6 Qb8+ 9.Kc6 Qb3
>>>>>  ³  (-0.35)   depth: 12   00:00:02  922kN
>>>>>1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qa8+ 6.Kb5 Qe8+ 7.Kc5 Qh5+
>>>>>8.Kb4 Bd5 9.Qc5+ Kg7 10.Qe7+
>>>>>  ³  (-0.30)   depth: 15   00:00:21  10244kN
>>>>>1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qa8+ 6.Kb4 Qb8+ 7.Ka5 Qc8
>>>>>8.Kb4 Qa6 9.Qc5+ Kg7
>>>>>  ³  (-0.26)   depth: 18   00:03:44  115427kN
>>>>>
>>>>>(Soares, Cabo Frio 02.07.2000)
>>>>>
>>>>>Paulo Soares, from Brazil
>>>>
>>>>Last night I loaded the position from the actual game as
>>>>I had the pgn file.
>>>>
>>>>Today doing it from the FEN on the same computer I get the
>>>>following which seems closer to yours and Jeroens.:
>>>>
>>>>New position
>>>>4k3/6Q1/2q5/3b4/1K6/8/8/8 w - - 0 1
>>>>
>>>>Analysis by Junior 6.1:
>>>>
>>>>1.Qh6 Qxh6
>>>>  -+  (-9.48)   Depth: 3   00:00:00
>>>>1.Qh8+ Kd7 2.Qg7+ Kc8 3.Qf8+ Kb7 4.Qg7+ Ka6 5.Qe7
>>>>  ³  (-0.42)   Depth: 6   00:00:00  13kN
>>>>1.Qh8+ Kd7 2.Qg7+ Kc8 3.Qf8+ Kb7 4.Qg7+ Ka6 5.Qe7
>>>>  ³  (-0.42)   Depth: 6   00:00:00  13kN
>>>>1.Qh8+ Kd7 2.Qg7+ Kc8 3.Qf8+ Kb7 4.Qg7+ Ka6 5.Qe7
>>>>  ³  (-0.42)   Depth: 6   00:00:00  13kN
>>>>1.Qh8+ Kd7 2.Qg7+ Kc8 3.Qf8+ Kb7 4.Qg7+ Ka6 5.Qe7
>>>>  ³  (-0.42)   Depth: 6   00:00:00  13kN
>>>>1.Qh8+ Kd7 2.Qg7+ Kc8 3.Qf8+ Kb7 4.Qg7+ Ka6 5.Qe7
>>>>  ³  (-0.42)   Depth: 6   00:00:00  13kN
>>>>1.Qh8+ Kd7 2.Qg7+ Kc8 3.Qf8+ Kb7 4.Qg7+ Ka6 5.Qe7
>>>>  ³  (-0.42)   Depth: 6   00:00:00  13kN
>>>>1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Ke8 5.Qg7
>>>>  ³  (-0.40)   Depth: 9   00:00:00  166kN
>>>>1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qa8+ 6.Kb5 Qe8+ 7.Kc5 Qc8+
>>>>8.Kd6 Qb8+ 9.Kc6 Qb3
>>>>  ³  (-0.35)   Depth: 12   00:00:02  920kN
>>>>1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qa8+ 6.Kb5 Qe8+ 7.Kc5 Qh5+
>>>>8.Kb4 Bd5 9.Qc5+ Kg7 10.Qe7+
>>>>  ³  (-0.30)   Depth: 15   00:00:21  10094kN
>>>>1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qa8+ 6.Kb4 Qb8+ 7.Ka5 Qc8
>>>>  ³  (-0.27)   Depth: 17   00:01:50  50293kN
>>>>
>>>>(Bird, Scarb 02.07.2000)
>>>>
>>>>Thanks.
>>>
>>>
>>>Though again if shut down then restart and then load it from the
>>>actual pgn and move forward through the game then let in do
>>>infinite analysis I still get:
>>>
>>>Junior 6.1 - Fritz 5.00
>>>4k3/6Q1/2q5/3b4/1K6/8/8/8 w - - 0 1
>>>
>>>Analysis by Junior 6.1:
>>>
>>>90.Qe5+ Kd8 91.Qh8+ Kc7 92.Qc3 Qxc3+ 93.Kxc3
>>>  =  (0.00)   Depth: 9   00:00:00  105kN
>>>90.Qe5+ Kd8 91.Qh8+ Kc7 92.Qc3 Qxc3+ 93.Kxc3
>>>  =  (0.00)   Depth: 12   00:00:01  383kN
>>>90.Qe5+ Kd8 91.Qh8+ Kc7 92.Qc3 Qxc3+ 93.Kxc3
>>>  =  (0.00)   Depth: 15   00:00:09  3932kN
>>>90.Qe5+ Kd8 91.Qh8+ Kc7 92.Qc3 Qxc3+ 93.Kxc3
>>>  =  (0.00)   Depth: 17   00:00:45  18589kN
>>>90.Qe5+ Kd8 91.Qh8+ Kc7 92.Qc3 Qxc3+ 93.Kxc3
>>>  =  (0.00)   Depth: 19   00:03:17  84967kN
>>>
>>>(Bird, Scarb 02.07.2000)
>>>
>>>Shut down again load from pgn with TB's.
>>>Not sure why TB's didn't appear in my other post.
>>>
>>>Junior 6.1 - Fritz 5.00
>>>4k3/6Q1/2q5/3b4/1K6/8/8/8 w - - 0 1
>>>
>>>Analysis by Junior 6.1:
>>>
>>>90.Qh8+ Kf7 91.Qh7+ Kf8 92.Qh8+ Bg8 93.Qd4 Be6
>>>  ³  (-0.41)   Depth: 6   00:00:00  6kN
>>>90.Qh8+ Kf7 91.Qh7+ Kf8 92.Qh8+ Bg8 93.Qd4 Ke8 94.Qg7
>>>  ³  (-0.40)   Depth: 9   00:00:01  64kN, tb=29
>>>90.Qe5+!
>>>  =  (-0.11)   Depth: 9   00:00:01  91kN, tb=38
>>>90.Qe5+ Kd8 91.Qh8+ Kc7 92.Qc3 Qxc3+ 93.Kxc3
>>>  =  (0.00)   Depth: 9   00:00:01  104kN, tb=64
>>>90.Qe5+ Kd8 91.Qh8+ Kc7 92.Qc3 Qxc3+
>>>  =  (0.00)   Depth: 12   00:00:02  357kN, tb=284
>>>90.Qe5+ Kd8 91.Qh8+ Kc7 92.Qc3 Qxc3+
>>>  =  (0.00)   Depth: 15   00:00:10  3588kN, tb=1882
>>>90.Qe5+ Kd8 91.Qh8+ Kc7 92.Qc3 Qxc3+
>>>  =  (0.00)   Depth: 17   00:00:38  15633kN, tb=9255
>>>90.Qe5+ Kd8 91.Qh8+ Kc7 92.Qc3 Qxc3+
>>>  =  (0.00)   Depth: 19   00:02:38  68593kN, tb=37300
>>>
>>>(Bird, Scarb 02.07.2000)
>>>
>>>Thanks.
>>
>>On the actual comp that ran the game I get the following:
>>
>>Junior 6.1 - Fritz 5.00
>>4k3/6Q1/2q5/3b4/1K6/8/8/8 w - - 0 1
>>
>>Analysis by Junior 6.1:
>>90.Qe5+ Kd8
>>  =  (0.00)   Depth: 9   00:00:00  2kN
>>90.Qe5+ Kd8
>>  =  (0.00)   Depth: 12   00:00:00  66kN, tb=2
>>90.Qe5+ Kd8 91.Qh8+ Kc7 92.Qc3 Qxc3+
>>  =  (0.00)   Depth: 15   00:00:05  1904kN, tb=1340
>>90.Qe5+ Kd8 91.Qh8+ Kc7 92.Qc3 Qxc3+
>>  =  (0.00)   Depth: 17   00:01:06  29901kN, tb=9995
>>90.Qe5+ Kd8 91.Qh8+ Kc7 92.Qc3 Qxc3+
>>  =  (0.00)   Depth: 18   00:01:49  49072kN, tb=24705
>>
>>(Bird, Scarb 02.07.2000)
>>
>>Thanks.
>
>And from FEN I get:
>New position
>4k3/6Q1/2q5/3b4/1K6/8/8/8 w - - 0 1
>
>Analysis by Junior 6.1:
>
>1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qa8+ 6.Kb5 Qe8+ 7.Kc5 Qc8+
>8.Kd6 Qb8+ 9.Kc6 Qb3
>  ³  (-0.35)   Depth: 12   00:00:02  884kN, tb=334
>1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qa8+ 6.Kb5 Qe8+ 7.Kc5 Qh5+
>8.Kb4 Bd5 9.Qc5+ Kg7 10.Qe7+
>  ³  (-0.30)   Depth: 15   00:00:19  9168kN, tb=3176
>1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qa8+ 6.Kb4 Qb8+ 7.Ka5 Qc8
>  ³  (-0.27)   Depth: 17   00:01:30  44514kN, tb=15852
>
>(Bird, Scarb 02.07.2000)
>
>Thanks.

I only got to reproduce Qe5+ with infinite analyses and with Tablebases
Junior6 CD. In my last post I put time/move=10000sec.
Below some tests with Junior6a, default settings, PIII-450, HT=99Mb:

I- 2min/move without tablebases:
   Junior 6.0 - Soares,P
   4k3/6Q1/2q5/3b4/1K6/8/8/8 w - - 0 1
   Analysis by Junior 6.0:
1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Ke8 5.Qg7
  ³  (-0.40)   depth: 9   00:00:01  167kN
1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qa8+ 6.Kb5 Qe8+ 7.Kc5 Qc8+
8.Kd6 Qb8+ 9.Kc6 Qb3
  ³  (-0.35)   depth: 12   00:00:02  922kN
1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qa8+ 6.Kb5 Qe8+ 7.Kc5 Qh5+
8.Kb4 Bd5 9.Qc5+ Kg7 10.Qe7+
  ³  (-0.30)   depth: 15   00:00:20  10244kN
1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qa8+ 6.Kb4 Qb8+ 7.Ka5 Ke8
  ³  (-0.28)   depth: 17   00:01:35  49195kN
(Soares, Cabo Frio 02.07.2000)


II- 2min/move with Junior6 CD tablebases:
    Junior 6.0 - Soares,P
    4k3/6Q1/2q5/3b4/1K6/8/8/8 w - - 0 1
    Analysis by Junior 6.0:
1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Ke8 5.Qg7
  ³  (-0.40)   depth: 9   00:00:02  165kN, tb=44
1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qa8+ 6.Kb5 Qe8+ 7.Kc5 Qc8+
8.Kd6 Qb8+ 9.Kc6 Qb3
  ³  (-0.35)   depth: 12   00:00:04  885kN, tb=334
1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qc7+ 6.Kb5 Qe7 7.Qf4+ Bf7
8.Qb8+ Kg7 9.Qg3+ Kh6 10.Qh3+
  ³  (-0.34)   depth: 14   00:00:12  5157kN, tb=1553
1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qc7+ 6.Kb5 Qb8+ 7.Kc6 Qe8+
8.Kc5 Qh5+ 9.Kb4 Bd5 10.Qf6+
  ³  (-0.30)   depth: 16   00:00:43  21728kN, tb=7598
1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qc7+ 6.Kb5 Qb8+ 7.Kc6 Qe8+
8.Kc5 Qh5+
  ³  (-0.30)   depth: 17   00:01:42  53183kN, tb=21126
(Soares, Cabo Frio 02.07.2000)


III- Infinite Analyses without TB:
     New position
     4k3/6Q1/2q5/3b4/1K6/8/8/8 w - - 0 1
     Analysis by Junior 6.0:
1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Ke8 5.Qg7
  ³  (-0.40)   depth: 9   00:00:00  166kN
1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qa8+ 6.Kb5 Qe8+ 7.Kc5 Qc8+
8.Kd6 Qb8+ 9.Kc6 Qb3
  ³  (-0.35)   depth: 12   00:00:02  920kN
1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qa8+ 6.Kb5 Qe8+ 7.Kc5 Qh5+
8.Kb4 Bd5 9.Qc5+ Kg7 10.Qe7+
  ³  (-0.30)   depth: 15   00:00:19  10088kN
1.Qh8+ Kf7 2.Qh7+ Kf8 3.Qh8+ Bg8 4.Qd4 Qb7+ 5.Ka5 Qa8+ 6.Kb4 Qb8+ 7.Ka5 Qc8
  ³  (-0.27)   depth: 17   00:01:33  48664kN
(Soares, Cabo Frio 02.07.2000)


IV- Infinite Analyses with Junior6 CD tablebases:
    Junior 6.0 - Soares,P
    4k3/6Q1/2q5/3b4/1K6/8/8/8 w - - 0 1
    Analysis by Junior 6.0:
1.Qe5+ Kf8
  =  (0.00)   depth: 9   00:00:00  9kN, tb=1
1.Qe5+ Kf8
  =  (0.00)   depth: 12   00:00:01  259kN, tb=12
1.Qe5+ Kf8
  =  (0.00)   depth: 15   00:00:10  4859kN, tb=560
1.Qe5+ Kf8
  =  (0.00)   depth: 17   00:00:33  15877kN, tb=4764
1.Qe5+ Kf8 2.Qf5+ Kg7
  =  (0.00)   depth: 19   00:02:39  77444kN, tb=39737
(Soares, Cabo Frio 02.07.2000)


Paulo




This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.