Good to know that you are not interested anymore, I wish you good luck!

Internet engine matches
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Joost Buijs
- Posts: 530
- Joined: Wed May 04, 2016 11:45
- Real name: Joost Buijs
Re: Internet engine matches
Re: Internet engine matches
Hi all,
Match finished,
Perspective from Kingsrow 1.63 : 0 wins, 3 losses, 155 draws.
I will post the games soon. You can analyse games too.
Friendly, Sidiki.
Match finished,
Perspective from Kingsrow 1.63 : 0 wins, 3 losses, 155 draws.
I will post the games soon. You can analyse games too.
Friendly, Sidiki.
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Krzysztof Grzelak
- Posts: 1458
- Joined: Thu Jun 20, 2013 17:16
- Real name: Krzysztof Grzelak
Re: Internet engine matches
Since when do games using dxp take place on two computers? You write nonsense and strange things, Joost. Have a nice day, Joost.Joost Buijs wrote: Tue Jul 14, 2026 10:48 Match KINGSROW - ARES (3-move ballots)
Kingsrow 1.63 vs. Ares AI 1.91 23 wins ,1 losses, 962 draws, 0 unknowns
Kingsrow 1.63 vs. Ares AI 1.91 20 wins, 1 losses, 965 draws, 0 unknowns
It surprises me that changing the hash table size barely affects the results.
That Ares version you have is just an untested experimental build I made for Sidiki a very long time ago, which you really wanted a copy of. Turns out it has a repetition detection bug, so it misses a draw every now and then. I've fixed it in the latest version, but I'm holding off on releasing it since there’s still a lot of other stuff I want to polish, and that takes time. The new version also uses a 7P EGDB instead of 6P, this won't make a big difference, but ocassionally it could help.
I also want to advise you to run tests like these on two computers. In my experience, running tests like these (with huge endgame databases and pondering) on a single computer makes the engines influence each other in a bad way, especially under Windows 11 (which is the worst OS Microsoft has ever produced).
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Joost Buijs
- Posts: 530
- Joined: Wed May 04, 2016 11:45
- Real name: Joost Buijs
Re: Internet engine matches
Hi Sidiki,Sidiki wrote: Tue Jul 14, 2026 12:46 Hi all,
Match finished,
Perspective from Kingsrow 1.63 : 0 wins, 3 losses, 155 draws.
I will post the games soon. You can analyse games too.
Friendly, Sidiki.
I probably know which engine this is. Can you tell me the time-control you used?
Joost
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Joost Buijs
- Posts: 530
- Joined: Wed May 04, 2016 11:45
- Real name: Joost Buijs
Re: Internet engine matches
It's like this topic says 'Internet engine matches', this means two separate computers talking to each other via Internet or via a LAN.Krzysztof Grzelak wrote: Tue Jul 14, 2026 12:48
Since when do games using dxp take place on two computers? You write nonsense and strange things, Joost. Have a nice day, Joost.
Last edited by Joost Buijs on Tue Jul 14, 2026 13:10, edited 1 time in total.
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Krzysztof Grzelak
- Posts: 1458
- Joined: Thu Jun 20, 2013 17:16
- Real name: Krzysztof Grzelak
Re: Internet engine matches
The topic has already been discussed - using dxp you play on one computer. Unless someone else comes up with something else. Have a nice day Joost.Joost Buijs wrote: Tue Jul 14, 2026 13:06 It's like this topic says 'Internet engine matches', this means two computers talking to each other via Internet or via a LAN.
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Joost Buijs
- Posts: 530
- Joined: Wed May 04, 2016 11:45
- Real name: Joost Buijs
Re: Internet engine matches
I can't help there seems to be some lack of knowledge in this conversation, for me it is clear, I'm done with it.Krzysztof Grzelak wrote: Tue Jul 14, 2026 13:10The topic has already been discussed - using dxp you play on one computer. Unless someone else comes up with something else. Have a nice day Joost.Joost Buijs wrote: Tue Jul 14, 2026 13:06 It's like this topic says 'Internet engine matches', this means two computers talking to each other via Internet or via a LAN.
Last edited by Joost Buijs on Tue Jul 14, 2026 14:47, edited 1 time in total.
Re: Internet engine matches
A modified version of Scan 3.1, it called Constrictor 2.0.Joost Buijs wrote: Tue Jul 14, 2026 12:58Hi Sidiki,Sidiki wrote: Tue Jul 14, 2026 12:46 Hi all,
Match finished,
Perspective from Kingsrow 1.63 : 0 wins, 3 losses, 155 draws.
I will post the games soon. You can analyse games too.
Friendly, Sidiki.
I probably know which engine this is. Can you tell me the time-control you used?
Joost
1 minute / 99 moves.
Friendly, Sidiki
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Joost Buijs
- Posts: 530
- Joined: Wed May 04, 2016 11:45
- Real name: Joost Buijs
Re: Internet engine matches
Thanks for the info!Sidiki wrote: Tue Jul 14, 2026 13:33
A modified version of Scan 3.1, it called Constrictor 2.0.
1 minute / 99 moves.
It's a very good result considering Kingsrow is difficult to beat under these 'bullet' conditions.
Joost
Re: Internet engine matches
2 move-ballots dxp games.
Friendly, Sidiki
Friendly, Sidiki
- Attachments
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- dxpgames.pdn
- (171.12 KiB) Downloaded 14 times
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Joost Buijs
- Posts: 530
- Joined: Wed May 04, 2016 11:45
- Real name: Joost Buijs
Re: Internet engine matches
This afternoon I played a match against Kingsrow using Ares v1.93; this version is virtually identical to Ares v1.91 with a few bug fixes. Both engines were single-core, no book, 7-piece endgame databases (EGDB), with a time control of 30 seconds for the entire game plus a 0.5-second increment per move. The final score is 158 draws.
On my machine, Kingsrow does 24 to 27 MN/s single-threaded, while Ares does 9 to 11.5 MN/s with its (slow) network.
Ares uses a single network (no separate middlegame and endgame networks), with a total of 6,705,561 floating-point weights.The current network was trained on only 150M positions labeled with the game result (-1, 0, +1), so this number of positions seems to be sufficient to train a strong-playing checkers network.
I have attached the games of the match.
On my machine, Kingsrow does 24 to 27 MN/s single-threaded, while Ares does 9 to 11.5 MN/s with its (slow) network.
Ares uses a single network (no separate middlegame and endgame networks), with a total of 6,705,561 floating-point weights.The current network was trained on only 150M positions labeled with the game result (-1, 0, +1), so this number of positions seems to be sufficient to train a strong-playing checkers network.
I have attached the games of the match.
- Attachments
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- dxpgames.pdn
- (156.99 KiB) Downloaded 18 times
Re: Internet engine matches
Hi Joost,
Great, all draws. Ares done well. I plan to run a tournament these day and i will be glad to include this latest version.
Congratulations.
Friendly, Sidiki
Great, all draws. Ares done well. I plan to run a tournament these day and i will be glad to include this latest version.
Congratulations.
Friendly, Sidiki
Re: Internet engine matches
Hello Grzelak,Krzysztof Grzelak wrote: Tue Jul 14, 2026 13:10The topic has already been discussed - using dxp you play on one computer. Unless someone else comes up with something else. Have a nice day Joost.Joost Buijs wrote: Tue Jul 14, 2026 13:06 It's like this topic says 'Internet engine matches', this means two computers talking to each other via Internet or via a LAN.
Just to clarify, it is possible to use the DXP protocol to have programs compete against each other from different computers.
To minimize interference with match quality when running on the same computer, you can reduce the hardware resources allocated to the programs, as the game of Draughts does not require extensive processing power.
Best regards...
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Krzysztof Grzelak
- Posts: 1458
- Joined: Thu Jun 20, 2013 17:16
- Real name: Krzysztof Grzelak
Re: Internet engine matches
Thank you, I've known this for a dozen or so years.pontel wrote: Sun Jul 19, 2026 14:48 Hello Grzelak,
Just to clarify, it is possible to use the DXP protocol to have programs compete against each other from different computers.
To minimize interference with match quality when running on the same computer, you can reduce the hardware resources allocated to the programs, as the game of Draughts does not require extensive processing power.
Best regards...
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Joost Buijs
- Posts: 530
- Joined: Wed May 04, 2016 11:45
- Real name: Joost Buijs
Re: Internet engine matches
It is better to play matches on just 1 computer without pondering, even if you only use half the number of available cores per engine. Windows 11 slows down incredibly with disk I/O; if one of the engines starts loading its endgame databases during pondering, the other engine suffers tremendously from it.Krzysztof Grzelak wrote: Mon Jul 20, 2026 07:24Thank you, I've known this for a dozen or so years.pontel wrote: Sun Jul 19, 2026 14:48 Hello Grzelak,
Just to clarify, it is possible to use the DXP protocol to have programs compete against each other from different computers.
To minimize interference with match quality when running on the same computer, you can reduce the hardware resources allocated to the programs, as the game of Draughts does not require extensive processing power.
Best regards...
It can also happen that both engines try to load their databases at the same time, which is not exactly ideal either. With 6P databases you won't suffer from this as much, but with 7P and 8P databases it can have a major impact.
As a 'specialist' in this field, you should know that.
