Search found 792 matches

by smatovic
Sun Mar 06, 2011 8:00 am
Forum: Computer Chess Club: General Topics
Topic: Zeta_Dva vers 0.1.0
Replies: 25
Views: 4188

Re: Zeta_Dva vers 0.1.0

Thanks for the info Justin, maybe next week i will try MinGW. The compiler points out: zeta_dva.c:1353: warning: array subscript is above array bounds I fixed this in the repository, in line 1352 just replace this for(i=0;i<12;i++) { by this for(i=0;i<11;i++) { and i removed some debug printing: ---...
by smatovic
Sun Mar 06, 2011 7:16 am
Forum: Computer Chess Club: General Topics
Topic: Zeta_Dva vers 0.1.0
Replies: 25
Views: 4188

Re: Zeta_Dva vers 0.1.0

Will there be a windows version?
sorry, no. got currently no windows running.

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srdja
by smatovic
Sun Mar 06, 2011 1:19 am
Forum: Computer Chess Club: General Topics
Topic: Zeta_Dva vers 0.1.0
Replies: 25
Views: 4188

Zeta_Dva vers 0.1.0

Heyho here my simple chess programm: linux64 source: https://github.com/smatovic/zeta_dva/tree/zeta_dva_010 It plays slower but a bit stronger than MSCP, ~ 200knps whats inside: - single core - bitboards (with hashtables from stockfish) - iterative deepeing - PV-Search - SEE - Tablebased Eval functi...
by smatovic
Sat Mar 05, 2011 12:50 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: What next?
Replies: 13
Views: 3127

Re: What next?

Code: Select all

OK the MVVLVA is complete. Some initial tests look good. 
You could use aditional to MVV-LVA for captures some simple Board-Eval function for Non-Captures...

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Srdja
by smatovic
Sun Feb 27, 2011 7:54 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: What next?
Replies: 13
Views: 3127

Re: What next?

Hi Erik, I Anyone have any BAD engines to test with. I'm getting tired of bearing up on previous versions of my engine. Try my :-) https://github.com/smatovic/zeta_dva/tree/zeta_dva_005-6 Like Roman and Dan mentioned move ordering is pretty important for alpha-beta algorithm and i think it is faster...
by smatovic
Sat Feb 19, 2011 1:45 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Newbie Question concerning Transposition Tables
Replies: 15
Views: 2769

Re: Newbie Question concerning Transposition Tables

Code: Select all

if &#40;tt->hash == hash && tt->depth >= depth /*remaining depth*/) 
Arg,
got an bug in "remaining depth", took also TT ab-values which did not belong to a deeper search.

"Dankeschoen" Michael.

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srdja
by smatovic
Wed Feb 09, 2011 4:29 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Newbie Question concerning Transposition Tables
Replies: 15
Views: 2769

Re: Newbie Question concerning Transposition Tables

Well, if i now look at your last post and its code, i assume you only retrieve the bestmove from TT instead of prun sth. That is ok imo when this is a quiescence routine. (i assume it is). But if so, where is your standpat condition ? And what is the difference between "alphabeta_qs_mvvlva_tt" and ...
by smatovic
Wed Feb 09, 2011 3:44 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Newbie Question concerning Transposition Tables
Replies: 15
Views: 2769

Re: Newbie Question concerning Transposition Tables

thanks for your explanations,

I was confused by fail-low. There is no bestmove i could try first from the TT...now the engine plays better and faster.

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srdja
by smatovic
Wed Feb 09, 2011 3:41 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Newbie Question concerning Transposition Tables
Replies: 15
Views: 2769

Re: Newbie Question concerning Transposition Tables

too, late for edit... so just to be more clear on point 3: just avoid... thx and yepp, nodecount dropped by almost a half. but nice to see that mvv_lva isnt that bad :-) I was confused by fail-low. There is no bestmove i could try first...now the engine plays better and faster. Score alphabeta_qs_m...
by smatovic
Wed Feb 09, 2011 12:08 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: GPGPU and computer chess
Replies: 8
Views: 2881

Re: GPGPU and computer chess

Yeah, but as far as I know you're still far away from having something that can produce hard performance data.
yeah. indeed.

i am far away from an parallel search algorithm....still working on an effective board presentation and move generation.

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srdja