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by Vinvin
Tue Oct 01, 2019 1:02 pm
Forum: Computer Chess Club: General Topics
Topic: Is there a difficult EPD file with test positions
Replies: 18
Views: 1223

Re: Is there a difficult EPD file with test positions

That are difficult even for todays engines ? E.g. if we want to test LC0 or Stockfish versions by a test suite, we would need a stronger test suite because they search Very deep and todays computers are very fast. Please a few difficult New epd Test suites. Thorsten, here are the 48 hardest (for th...
by Vinvin
Tue Oct 01, 2019 12:11 pm
Forum: Computer Chess Club: General Topics
Topic: Is there a difficult EPD file with test positions
Replies: 18
Views: 1223

Re: Is there a difficult EPD file with test positions

That are difficult even for todays engines ? E.g. if we want to test LC0 or Stockfish versions by a test suite, we would need a stronger test suite because they search Very deep and todays computers are very fast. Please a few difficult New epd Test suites. Thorsten, here are the 48 hardest (for th...
by Vinvin
Tue Oct 01, 2019 12:09 pm
Forum: Computer Chess Club: General Topics
Topic: Is there a difficult EPD file with test positions
Replies: 18
Views: 1223

Re: Is there a difficult EPD file with test positions

Vinvin wrote:
Sun Sep 29, 2019 10:27 pm
mclane wrote:
Sun Sep 29, 2019 7:48 pm
How much time do you give the engines ?
I'll post results for Hard-2020-beta3.epd very soon, please wait 1 or 2 days.
Done here : viewtopic.php?p=813988#p813988
by Vinvin
Tue Oct 01, 2019 12:04 pm
Forum: Computer Chess Club: General Topics
Topic: Hard-Talkchess-2020 set
Replies: 20
Views: 1960

Re: Hard-Talkchess-2020 set

Same table but sorted by #found ascending and average time descending (= from hardest to easiest). Solution | 1st run | 2nd run | 3rd run | 4th run | 5th run | 6th run | 7th run |#found|avg time | Position ----------------------------------------------------------------------------------------------...
by Vinvin
Tue Oct 01, 2019 11:59 am
Forum: Computer Chess Club: General Topics
Topic: Hard-Talkchess-2020 set
Replies: 20
Views: 1960

Re: Hard-Talkchess-2020 set

7 runs with Stockfish_19091615_x64_modern on a i7-4930K@4 GHz (6 cores), 15 minutes per position, Syzygy 6 pieces (+ one 7 pcs : 'KRPPKRP') Some stat : Average key move found : 151 Number found on the 7 runs : 182 29 key moves never found. 11 key moves found only one time. Solution | 1st run | 2nd r...
by Vinvin
Tue Oct 01, 2019 11:51 am
Forum: Computer Chess Club: General Topics
Topic: Hard-Talkchess-2020 set
Replies: 20
Views: 1960

Hard-Talkchess-2020 set

Here is the "Hard-Talkchess-2020 beta 3" set of positions. 211 positions. Previous discussions are here : http://talkchess.com/forum3/viewtopic.php?p=813412#p813412 Results for Stockfish_19091615_x64_modern on a i7-4930K (6 cores), 15 minutes per position in the next message. Final version will be p...
by Vinvin
Mon Sep 30, 2019 8:26 am
Forum: Computer Chess Club: General Topics
Topic: Is there a difficult EPD file with test positions
Replies: 18
Views: 1223

Re: Is there a difficult EPD file with test positions

Exactly, I do have a dedicated chess Computer that runs for years now with 2 AA Cells. I do normally only play 40/120 games. So over years playing tournament games with 2 AA cells. Then you can imagine how much energy is wasted by your computers. The engine I want to test hopefully not wasting so m...
by Vinvin
Sun Sep 29, 2019 10:27 pm
Forum: Computer Chess Club: General Topics
Topic: Is there a difficult EPD file with test positions
Replies: 18
Views: 1223

Re: Is there a difficult EPD file with test positions

mclane wrote:
Sun Sep 29, 2019 7:48 pm
How much time do you give the engines ?
I'll post results for Hard-2020-beta3.epd very soon, please wait 1 or 2 days.

Vincent
by Vinvin
Thu Sep 26, 2019 7:00 pm
Forum: Computer Chess Club: General Topics
Topic: Hard-Talkchess-2019 set
Replies: 108
Views: 15846

Re: Hard-Talkchess-2019 set

... And I'm adding 6 older positions, sometimes easy and sometimes hard : ... rk1b4/p2p2p1/1P6/2R2P2/8/2K5/8/5B2 w - - bm Rc8+; ... Now I remember why this position is not good : Rc8+ is sometime evaluated as 0.00 as some other moves. I'm removing this one. i would leave it in - excellent position ...
by Vinvin
Wed Sep 25, 2019 5:32 pm
Forum: Computer Chess Club: General Topics
Topic: Hard-Talkchess-2019 set
Replies: 108
Views: 15846

Re: Hard-Talkchess-2019 set

... And I'm adding 6 older positions, sometimes easy and sometimes hard : ... rk1b4/p2p2p1/1P6/2R2P2/8/2K5/8/5B2 w - - bm Rc8+; ... Now I remember why this position is not good : Rc8+ is sometime evaluated as 0.00 as some other moves. I'm removing this one. Vincent, are you sure? This position seem...