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November Knockout
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Graham Banks



Joined: 26 Feb 2006
Posts: 30399
Location: Auckland, NZ

PostPosted: Wed Nov 08, 2017 8:02 pm    Post subject: November Knockout Reply to topic Reply with quote

NOVEMBER KNOCKOUT

Intel i5 Quad
ChessGUI
256mb hash each where possible
3-4-5 piece tablebases
Ponder off
GBSelect2017-2.cgb book
40 moves in 25 minutes repeating (adapted for the CCRL)
12 game knockout matches


Participants

Crafty 25.2 64-bit
Rodent III 0.210 64-bit
Deep Junior 13.3 64-bit
Wasp 2.01 64-bit
Cheng 4.39 64-bit
Spike 1.4 Leiden
Bobcat 8.0 64-bit
Amoeba 2.6 64-bit
Quazar 0.4 64-bit
Demolito 2017-08-26 64-bit'
Spark 1.0 64-bit
Deuterium 14.3.34.130 64-bit
EXchess 7.97b 64-bit
Thinker 5.4d Inert 64-bit
Gaviota 1.0 64-bit
Dirty 30Apr2017 64-bit
































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Graham Banks



Joined: 26 Feb 2006
Posts: 30399
Location: Auckland, NZ

PostPosted: Wed Nov 08, 2017 8:04 pm    Post subject: Broadcast Details Reply to topic Reply with quote

Progress on matches and pgn downloads will be available from here::
http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=9441

Alternatively, if you install TLCV (Tom's Live Chess Viewer) on your computer, you can watch the games live move by move. You'll also be able to chat to others following the tournament in the chatroom there.
http://home.pacific.net.au/~tommyinoz/client.zip
Host - GrahamCCRL.dyndns.org Port - 16002
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Graham Banks



Joined: 26 Feb 2006
Posts: 30399
Location: Auckland, NZ

PostPosted: Wed Nov 08, 2017 8:05 pm    Post subject: Round 1 Matches Reply to topic Reply with quote

ROUND 1 MATCHES

Crafty 25.2 64-bit v Quazar 0.4 64-bit
Demolito 2017-08026 64-bit v Rodent III 0.210 64-bit
Deep Junior 13.3 64-bit v Spark 1.0 64-bit
Deuterium 14.3.34.130 64-bit v Wasp 2.01 64-bit
Cheng 4.39 64-bit v EXchess 7.97b 64-bit
Thinker 5.4d Inert 64-bit v Spike 1.4 Leiden
Bobcat 8.0 64-bit v Gaviota 1.0 64-bit
Dirty 30Apr2017 64-bit v Amoeba 2.6 64-bit
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Lucas Braesch



Joined: 31 May 2010
Posts: 2951

PostPosted: Thu Nov 09, 2017 4:00 am    Post subject: Re: November Knockout Reply to topic Reply with quote

Graham Banks wrote:

Intel i5 Quad
ChessGUI
256mb hash each where possible
3-4-5 piece tablebases
Ponder off
GBSelect2017-2.cgb book
40 moves in 25 minutes repeating (adapted for the CCRL)
12 game knockout matches

Is that 4 CPU ?
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Graham Banks



Joined: 26 Feb 2006
Posts: 30399
Location: Auckland, NZ

PostPosted: Thu Nov 09, 2017 4:51 am    Post subject: Re: November Knockout Reply to topic Reply with quote

lucasart wrote:
Is that 4 CPU ?


Only 1CPU.
Demolito is on the 4CPU waiting list.
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Graham Banks



Joined: 26 Feb 2006
Posts: 30399
Location: Auckland, NZ

PostPosted: Thu Nov 09, 2017 9:09 pm    Post subject: Re: Round 1 Matches Reply to topic Reply with quote

(8.0-4.0) Crafty 25.2 64-bit v Quazar 0.4 64-bit
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Graham Banks



Joined: 26 Feb 2006
Posts: 30399
Location: Auckland, NZ

PostPosted: Fri Nov 10, 2017 8:23 pm    Post subject: Re: Round 1 Matches Reply to topic Reply with quote

(5.5-6.5) Demolito 2017-08026 64-bit v Rodent III 0.210 64-bit
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Graham Banks



Joined: 26 Feb 2006
Posts: 30399
Location: Auckland, NZ

PostPosted: Fri Nov 10, 2017 8:24 pm    Post subject: Re: Round 1 Matches Reply to topic Reply with quote

(5.5-6.5) Deep Junior 13.3 64-bit v Spark 1.0 64-bit
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Graham Banks



Joined: 26 Feb 2006
Posts: 30399
Location: Auckland, NZ

PostPosted: Sat Nov 11, 2017 6:44 am    Post subject: Re: Round 1 Matches Reply to topic Reply with quote

(6.0-6.0) Dirty 30Apr2017 64-bit v Amoeba 2.6 64-bit (GUI decides which engine goes through)
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Lucas Braesch



Joined: 31 May 2010
Posts: 2951

PostPosted: Sat Nov 11, 2017 8:36 am    Post subject: Re: November Knockout Reply to topic Reply with quote

Graham Banks wrote:

256mb hash each where possible
40 moves in 25 minutes repeating (adapted for the CCRL)

I think I finally understand why Demolito underperforms dramatically in CCRL 40/40 compared to 40/4. It's probably not a problem of search or eval scalability, but simply of hash pressure. Having the most basic hash replacement scheme is very bad in CCRL 40/40 condition, because the hash pressure there is enormous (ie. 256mb is very small for such a long time control). In turn magnifies the effect of hash replacement, disadvantaging Demolito (whose hash replacement sucks).

I've already improved my hash replacement, and it has shown significant gain at testing conditions that aim to reproduce the CCRL 40/40 hash pressure. Hopefully the next version won't get beaten by Rodent anymore...
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