Search found 83 matches

by mhouppin
Thu Feb 25, 2021 8:58 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Quiescence Search doesn't improve strength
Replies: 35
Views: 766

Re: Quiescence Search doesn't improve strength

FWIW, I have been collecting data for two weeks about the rating differences between each version of Stash. Version 9 has a PST-only eval, and a simple Negascout search. Same for version 10, except there is a quiescence search on the top, and nothing else. I ran a 200-game minimatch at 60+0.6 betwee...
by mhouppin
Wed Feb 24, 2021 10:31 am
Forum: Computer Chess Club: General Topics
Topic: New engine: Stash
Replies: 113
Views: 33436

Re: New engine: Stash

Good luck with version 28. I like Stash's coding style, with modularized parts and small files. It looks a lot like how Rustic is structured. (And thus how I'd do it if I had written the engine in C or C++.) Is there running changelog available, where you keep all the changes from one version to th...
by mhouppin
Tue Feb 23, 2021 7:14 pm
Forum: Computer Chess Club: General Topics
Topic: New engine: Stash
Replies: 113
Views: 33436

Re: New engine: Stash

Ha, I was watching your repo and the progress and just some minutes ago I saw the change from 27.11 to 27.12 and thought, 28 is coming now very soon :) You have put a lot of work into Stash the last weeks! Hi Guenther, thanks for the support ! Yeah, this is probably the version that took me the mos...
by mhouppin
Tue Feb 23, 2021 6:50 pm
Forum: Computer Chess Club: General Topics
Topic: New engine: Stash
Replies: 113
Views: 33436

Re: New engine: Stash

Hi there, version 28 is out ! Here are the improvements made: - Removed some redundant code for TT filling; - Added Knight Outposts to the eval (with additional bonuses for supported Outposts and Outposts on center files); - Added Shielded minors to the eval (minor pieces with a friendly pawn just a...
by mhouppin
Fri Feb 19, 2021 9:44 am
Forum: Computer Chess Club: Tournaments and Matches
Topic: FGRL, 60 sec + 0.6 sec - 38. Weiss 1.3, 39. Minic 3.03 NaNi, 45. Stash 27.0, 60. Lc0 0.27.0 J104.1-30
Replies: 4
Views: 233

Re: FGRL, 60 sec + 0.6 sec - 38. Weiss 1.3, 39. Minic 3.03 NaNi, 45. Stash 27.0, 60. Lc0 0.27.0 J104.1-30

Thanks for the testing ! I'm very happy to see Stash starting to put a good fight against top engines, even winning one game against SF 12 ^^
by mhouppin
Thu Feb 11, 2021 5:49 pm
Forum: Computer Chess Club: General Topics
Topic: How many of you believe that Stockfish 12 or Komodo can give a rook Odds to a 1450 engine ?
Replies: 73
Views: 3590

Re: How many of you believe that Stockfish 12 or Komodo can give a rook Odds to a 1450 engine ?

FWIW, I ran a minimatch between SF dev and Stash 10.0 (roughly 1650 Elo at CCRL 40/4), time control 3'+2", 1 thread, 256 MB hash, 5-man Syzygy tablebases for SF, I used starting position with one of the 4 rooks removed. Here are the games: [Event "?"] [Site "?"] [Date "2021.02.11"] [Round "?"] [Whit...
by mhouppin
Fri Jan 15, 2021 9:18 am
Forum: Computer Chess Club: General Topics
Topic: New engine: Stash
Replies: 113
Views: 33436

Re: New engine: Stash

Hi there, version 27 is out ! This one only has a few changes (due to large Elo gainers): - Simplified the piece moves' generation; - Improved mobility code by excluding rammed pawns and pawns on low ranks from the accessible zone; - Added countermove and continuation histories; - Removed the endgam...
by mhouppin
Sat Jan 02, 2021 7:58 pm
Forum: Computer Chess Club: General Topics
Topic: New engine releases 2020
Replies: 598
Views: 175224

Re: New engine releases 2020

Have fun with it. Hello! For your information, I cannot use the Linux binary of Dumb 1.6. [roland@localhost 16]$ ./dumb-1.6 ./dumb-1.6: /lib64/libc.so.6: version `GLIBC_2.32' not found (required by ./dumb-1.6) [roland@localhost 16]$ It seems that I have to compile the source. I search how I can ins...
by mhouppin
Tue Dec 29, 2020 6:10 pm
Forum: Computer Chess Club: General Topics
Topic: New engine: Stash
Replies: 113
Views: 33436

Re: New engine: Stash

Hi there, version 26 is out ! Here are the improvements made: - Slight speed optimizations on evaluation; - Changed Initiative static value to a dynamic one, based on the number of attacked pieces for each side + side to move if not in check; - Rewritten the time management to change usage based on ...
by mhouppin
Tue Dec 22, 2020 5:33 pm
Forum: Computer Chess Club: General Topics
Topic: New engine: Stash
Replies: 113
Views: 33436

Re: New engine: Stash

Hi there, version 25 is out ! Thanks Morgan. I've already uploaded my first games* so I it is going to appear on our blitz list this tomorrow. *Günther reported it in the new engines thread so I was already aware of its existence. Hi Gabor, I checked the results this weekend on CCRL Blitz page, and...