Computer Chess Club Archives


Search

Terms

Messages

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

Author: Chessfun

Date: 10:08:26 07/02/00

Go up one level in this thread


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.



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.