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Problem: bitbase access by Scorpio versions... Dan Shawul?
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Ernest Bonnem



Joined: 08 Mar 2006
Posts: 1281

PostPost subject: Problem: bitbase access by Scorpio versions... Dan Shawul?    Posted: Mon May 28, 2012 5:05 pm Reply to topic Reply with quote

Maybe Dan or somebody else can help...

With Scorpio 2.0 (date: end 2007 Cool ), I have no problem in 5-man bitbase access, even with the new (Dann Corbit compressed - 223 MB) bitbases and the v3.3 egbbdll. My test is mostly in 32-bit.

I wanted to test with the more recent Scorpio 2.7 version.
I use the Fritz 11 and Shredder GUIs.

Since Scorpio is Winboard, you have to use Wb2uci and Wb2Uci.eng
The Scorpio configuration file, scorpio.ini defines the
#path to egbb
egbb_path C:\egbb\


Note that if you skip the last \ , the path is not recognized! Surprised

I shut off all access to Nalimov GUI access and used the 5-man position
8/8/8/8/5kp1/P7/8/1K1N4 w - - 0 1 ; bm Kb1-c2; dm50
(only solution Kc2, never found without tables or bitbases)

Well, with version 2.7 of Scorpio (the latest), and for that matter any version later than 2.0:
_ on infinite analysis, no output, depth stays at 1
_ on "compute", I get the immediate move (correct move, "depth 1" eval?)
Analysis by Scorpio 2.7:
1.Kc2
= (0.00) Depth: 1 00:00:00


as compared to the correct
Code:
Analysis by Scorpio 2.0:
1.Kc2 Ke5 2.Kd3 g3
  +-  (48.44)   Depth: 6   00:00:00  1kN
1.Kc2 Ke5 2.Kd3 g3
  +-  (48.44)   Depth: 6   00:00:00  1kN
1.Kc2 Ke5 2.Kd3 g3
  +-  (48.44)   Depth: 7   00:00:00  1kN
1.Kc2 Ke5 2.Kd3 g3
  +-  (48.44)   Depth: 7   00:00:00  1kN
1.Kc2 Ke5 2.Kd3 g3
  +-  (48.44)   Depth: 8   00:00:00  2kN
1.Kc2 Ke5 2.Kd3 g3
  +-  (48.44)   Depth: 8   00:00:00  3kN
..............


Looking at logs, I find that there is access to the egbb, but immediately followed by stop and exit.

Also note that when in scorpio.ini I put
#egbb_load_type 3
(meaning loading all 5 men in memory), my Task Manager does not show 200 MB more used in memory, and access is still from disk...
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Subject Author Date/Time
Problem: bitbase access by Scorpio versions... Dan Shawul? Ernest Bonnem Mon May 28, 2012 5:05 pm
      Re: Problem: bitbase access by Scorpio versions... Dan Shawu Daniel Shawul Mon May 28, 2012 5:31 pm
            Re: Problem: bitbase access by Scorpio versions... Dan Shawu Ronald de Man Mon May 28, 2012 5:41 pm
                  Re: Problem: bitbase access by Scorpio versions... Dan Shawu Daniel Shawul Mon May 28, 2012 5:45 pm
                        Re: Problem: bitbase access by Scorpio versions... Dan Shawu Daniel Shawul Mon May 28, 2012 6:18 pm
                              Re: Problem: bitbase access by Scorpio versions... Dan Shawu Ernest Bonnem Tue May 29, 2012 10:31 pm
                                    Re: Problem: bitbase access by Scorpio versions... Dan Shawu Daniel Shawul Wed May 30, 2012 3:01 am
                                          Re: Problem: bitbase access by Scorpio versions... Dan Shawu Ernest Bonnem Wed May 30, 2012 8:04 pm
                                                Re: Problem: bitbase access by Scorpio versions... Dan Shawu Daniel Shawul Wed May 30, 2012 9:22 pm
                                                      Re: Problem: bitbase access by Scorpio versions... Dan Shawu Ernest Bonnem Thu May 31, 2012 5:01 pm
                                                            Re: Problem: bitbase access by Scorpio versions... Dan Shawu Daniel Shawul Thu May 31, 2012 5:56 pm
                                                                  Re: Problem: bitbase access by Scorpio versions... Dan Shawu Ernest Bonnem Thu May 31, 2012 6:16 pm
                                                                        Re: Problem: bitbase access by Scorpio versions... Dan Shawu Daniel Shawul Thu May 31, 2012 6:31 pm
                                                                              Re: Problem: bitbase access by Scorpio versions... Dan Shawu Ernest Bonnem Sat Jun 02, 2012 6:13 pm
                                    Re: Problem: bitbase access by Scorpio versions... Dan Shawu Guenther Simon Wed May 30, 2012 4:14 pm
                                          Re: Problem: bitbase access by Scorpio versions... Dan Shawu Ernest Bonnem Wed May 30, 2012 7:44 pm
      Re: Problem: bitbase access by Scorpio versions... Dan Shawu Ronald de Man Mon May 28, 2012 5:35 pm
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