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Popeye 4.83
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@thomas-maeder thomas-maeder released this 31 Jul 16:50
· 1497 commits to master since this release
v4.83
c9d5544

This is Release 4.83 of Popeye.

Downloading Popeye

Popeye executable

In order to use Popeye, you want to download an executable program or the source code to build an executable program yourself.

Windows 64bit: pywin64.exe
Windows 32bit: pywin32.exe
Linux: popeye-4.83-sources.zip
MacOS X: producing an executable for MacOS is always a hassle at best. I wasn't successful this time; if somebody can, I'll be happy to provide it here.

Instead of downloading the source zip archive, you can also clone the git repository or (I assume) use one of the Source Code links.

Usage guide

Download the usage guide in your favourite language:

py-engl.txt (English)
py-deut.txt (Deutsch)
py-fran.txt (Français)

Example input files

The example input file archives will help you input problems correctly:

popeye-4.83-examples.zip (English as input language)
popeye-4.83-beispiel.zip (German)

Changes since Popeye 4.81

New features

  • Total Invisible pieces (only for otherwise orthodox h# problems, slow, maybe slightly buggy, but already very effective...)
  • condition PointReflection

Bug fixes

  • Chameleon sequence was forgotten by twinning (issue 239)
  • condition BlackMustCapture Ultra: obscure bug in positions where white castling possible (issue 240)
  • condition Chameleon Chess: Kings could castle after having moved since 4.65 (issue 243)
  • condition Circe: modifiers like Mirror weren't applied in rebirths of Kamikaze pieces since 4.65 (issue 246)
  • condition Checkless Chess: Proof games with ending in a mate weren't solved since 4.75 (issue 247)
  • some solutions were not found in proof games with Queen and King apparently (but not really) locked in by pawns
  • condition Breton: Proof games couldn't be solved since the introduction of Breton in 4.81
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