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Pachi 12 for Windows
http://lifein19x19.com/viewtopic.php?f=18&t=15371		 Page 2 of 2
Author:  lemonsqueez [ Thu Feb 14, 2019 12:33 pm ]
Post subject:  Re: Pachi 12 for Windows
Pachi 12.30 is out:

  • lizzie support !
  • dcnn pondering
  • japanese rules: territory scoring in playouts
  • full gtp undo

See homepage for more info.
Author:  lemonsqueez [ Sun Mar 31, 2019 2:21 pm ]
Post subject:  Re: Pachi 12 for Windows
Pachi 12.40 is out:

  • speedup, about 20% faster
  • multiple dcnns support: detlef44, detlef54, darkforest
  • lz-genmove_analyze support (get winrates in sabaki etc)
  • lz-analyze: handle frequency
  • set engine options over gtp
  • dcnn pondering fix

See homepage for more info.
Author:  WinPooh [ Sat Apr 13, 2019 6:46 am ]
Post subject:  Re: Pachi 12 for Windows
I wonder why Pachi engine is so weak in Android application AhQ Go. Not only it plays at 15k level but also sometimes makes illegal moves.
Computational power of my phone is enough for AhQ Go / Leela to play at 4d KGS strength...
Author:  lemonsqueez [ Sun May 24, 2020 7:02 am ]
Post subject:  Re: Pachi 12 for Windows
Pachi 12.50 is out:

  • fixed analyze issues in Sabaki
  • automatically grow tree memory as needed
  • fixed kgsgtp-3.5.20+ crashes (kgs-chat disabled by default now)

See homepage for more info.
Author:  lemonsqueez [ Thu Dec 17, 2020 2:24 am ]
Post subject:  Re: Pachi 12 for Windows
Pachi 12.60 is out:

  • fixed remaining seki issues
  • fixed tree gc issues
  • removed --accurate-scoring, unnecessary now
  • --smart-pass: more user-friendly pass behavior

See homepage for more info.
Author:  And [ Sat Mar 11, 2023 10:45 pm ]
Post subject:  Re: Pachi 12 for Windows
Pachi 12.70 https://github.com/pasky/pachi/releases

  • Joseki fixes from Pachi games (2018-2022)
  • Allow to override joseki sequences by editing an SGF file
  • Better bent-four handling
  • Fixed some dcnn blunders (first-line connects)
Joseki fixes are meant for online play primarily and need an external engine setup (KataGo), but will work for local play too if you take the time to set it up. See josekifix/README and josekifix/katago on how to update the database and setup KataGo.
Author:  lemonsqueez [ Sun May 21, 2023 2:07 am ]
Post subject:  Re: Pachi 12 for Windows
Thanks And =)
Author:  lemonsqueez [ Sun May 21, 2023 2:14 am ]
Post subject:  Re: Pachi 12 for Windows
Pachi 12.80 is out:

  • Filter more dcnn blunders
  • Better MM atari patterns
  • Updated joseki fixes database (2023-05-12) + code
  • UCT search speedup

Haven't tested extensively yet, if you see something unusual please let me know (create an issue on github).
Enjoy =)
Author:  lemonsqueez [ Sat Jul 08, 2023 10:56 am ]
Post subject:  Re: Pachi 12 for Windows
Pachi 12.82:

  • Retuned dcnn and pattern priors
  • Use progressive dcnn prior
  • Normalize pattern probabilities
  • Set number of threads for dcnn evaluation

Retuned prior parameters, slightly stronger than 12.80 and should deal with dcnn blind spots better.
Have fun =)
Author:  lemonsqueez [ Thu Sep 14, 2023 11:54 am ]
Post subject:  Re: Pachi 12 for Windows
Pachi 12.84:

  • Added --banner option (replaces "banner" uct param)
  • Fixed options that got broken in 12.80 (--kgs, --kgs-chat, --noundo, --name work again)
  • Fixed memory corruptions found by address sanitizer
  • Minor josekifix and mm fixes
  • Updated joseki fixes database (2023-08-21)
Author:  lemonsqueez [ Sun Sep 24, 2023 11:55 pm ]
Post subject:  Re: Pachi 12 for Windows
Hi,

If you enjoy playing with pachipachi bot on kgs there's a little fundraising going on at the moment to buy new hardware.
(The hardware it was running on for the last 5 years just died !)

Many people find it useful and it'd be great to run it as a community supported project (until now i've been paying for all the costs).
It's running on a Raspberry Pi so costs are pretty low, we're looking at about 70€ for a Raspberry Pi 4.
(I made some calculations, if every player it played with in the last year gives 1$ that should be enough for the next 100 years' worth of hardware !)

If you'd like to participate or show support feel free to join in !
Support page is at https://pachi.or.cz (scroll down for donate button).
More details on kgs pachipachi info page.

Many thanks to everyone who contributed to Pachi in last years, go players in particular.
Finding blunders in games has been so helpful lately to make it better.
Thanks for playing =)
Author:  And [ Tue Nov 14, 2023 2:58 pm ]
Post subject:  Re: Pachi 12 for Windows
I am pleasantly surprised by Pachi's game! launched into sabaki, 5 seconds per turn
Zenith Go 7, 3d - Pachi
Author:  And [ Tue Nov 14, 2023 8:09 pm ]
Post subject:  Re: Pachi 12 for Windows
Pachi 10 s/m - Zenith Go 7, 4d
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