Search found 433 matches

by D Sceviour
Thu Jul 11, 2019 7:03 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: A pre-calculated pawn hash table ?
Replies: 28
Views: 897

Re: A pre-calculated pawn hash table ?

Pawn structures where a player has a "bad" formation maybe arent important to cache because the "elo cost" of the "extra work" might be made up for by the fact that one side already has a "bad position" and the game is likely already heading towards a non-draw result. Yes. This is the basis of the ...
by D Sceviour
Sun Jul 07, 2019 7:22 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Eucalyptus - KPK Bitbases Generator
Replies: 14
Views: 1788

Re: Eucalyptus - KPK Bitbases Generator

For what is it worth, it might be useful to review the Computer Chess Club Charter item 4 on discussions about the law: Once a member gains access to the message board, he may read all messages and post new or response messages with the proviso that these new or response messages: 1. Are, within rea...
by D Sceviour
Thu Jul 04, 2019 12:12 pm
Forum: Computer Chess Club: General Topics
Topic: Schooner Version 2.1
Replies: 11
Views: 755

Re: Schooner Version 2.1

I am not sure we understand each other correctly - CuteChess only adjudicates here given my Syzygy_5 path, when a given position appears, but I only used adjudication, because I thought both Schooner and ArasanX would use the Syzygy_5 also during search (ArasanX sure does), after I added the path t...
by D Sceviour
Wed Jul 03, 2019 5:51 pm
Forum: Computer Chess Club: General Topics
Topic: Schooner Version 2.1
Replies: 11
Views: 755

Re: Schooner Version 2.1

BTW is it normal that it still gives a +3 eval when it is a forced exchange to available 5 men Syzygy? (one time it played the move itself - one time opponent forced it one ply later) Yes, this is normal. In the first game, the engine calculates for six pieces (not five) and scores accordingly with...
by D Sceviour
Wed Jul 03, 2019 2:13 pm
Forum: Computer Chess Club: General Topics
Topic: Schooner Version 2.1
Replies: 11
Views: 755

Re: Schooner Version 2.1

Thank you, Dennis. 50 Elo is huge when you are already at this height. That will be fun for you to test and find out for sure. :D FWIW a little match on my old Q8200 at 40/1 vs. Arasan 21.4 with 6 plies start positions randomly selected (both colours) and Syzygy_5, finished +21 -8 =11 for Schooner ...
by D Sceviour
Wed Jul 03, 2019 12:16 pm
Forum: Computer Chess Club: General Topics
Topic: Schooner Version 2.1
Replies: 11
Views: 755

Re: Schooner Version 2.1

Gabor Szots wrote:
Wed Jul 03, 2019 8:14 am
Thank you, Dennis. 50 Elo is huge when you are already at this height.
That will be fun for you to test and find out for sure. :D
by D Sceviour
Wed Jul 03, 2019 12:15 pm
Forum: Computer Chess Club: General Topics
Topic: Schooner Version 2.1
Replies: 11
Views: 755

Re: Schooner Version 2.1

Unfortunately Schooner 2.1 crashed running with wine 4 on macOS. Is there any hope for a (native) mac version? Sorry, Schooner only runs on windows. I would like to create a Linux build. However, it seems like there is always one more thing to do. Day after week after month passes and an update nev...
by D Sceviour
Wed Jul 03, 2019 1:23 am
Forum: Computer Chess Club: General Topics
Topic: Schooner Version 2.1
Replies: 11
Views: 755

Schooner Version 2.1

- WinBoard compatible, CECP compliant, ICS capable - limited UCI protocol also available - 64 bit version - SSE popcnt support - non-popcount generic available - default hash size 128 Mb - adjustable - default pawn hash 30 Mb - adjustable - threading allowed - 128 threads - pondering allowed, xboard...
by D Sceviour
Tue Jul 02, 2019 2:09 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Does Syzygy WDL Probe Do Anything?
Replies: 5
Views: 432

Re: Does Syzygy WDL Probe Do Anything?

Here's Stockfish-dev with MultiPV=13: … and how does Stockfish do with syzygy WDL turned off, but DTZ turned on? I do not have a build environment for SF, but somebody could comment the WDL section out in SF, re-build and compare the probes under the same position. Also, compare the final elo test ...