Pachi 12.20

Changes since 12.10:

• dcnn: handle smaller board sizes
• don't play slack when taking handicap
• mm patterns fixes, better prediction rate
• use joseki engine when playing without dcnn

If you only play on 19x19 use the binaries in extras.zip they should be slightly faster.

Edit: Fixed assertion issue

Pachi 12.10 for Windows

Changes since 12.00:

• mm patterns: better startup times, memory usage, and middle game reading.
• playouts: handle bent-four, special sekis
• infrastructure fixes

New pattern code makes it possible to play with few playouts without dcnn:
For example pachi --nodcnn -t =5000 is kgs 3k.

If you only play on 19x19 use the binaries in extras.zip they should be slightly faster.

Pachi 12.00 for Windows

Changes since 11.00 release:

• dcnn support
• 32/64 bits support
• improved multithreaded performance
• handle huge max_tree_size on win64
• new defaults

If you only play on 19x19 use the binaries in extras.zip they should be slightly faster.

Pachi 11.00

Windows binary of stable Pachi version 11.00 kindly contributed by Neil McLean.

Download and extract large patterns in Pachi directory to make it 1-2 stones stronger.
Best is gogod-handikgspachi.

Pachi 10.00

Windows binary of stable Pachi version 10.00 kindly contributed by Neil McLean.

Download and extract large patterns in Pachi directory to make it 1-2 stones stronger.
See README_PATTERNS for details.
Best is gogod-handikgspachi.