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Calcitem 38bbf52c15
depth: Limit black 3rd move thinking depth to less than 3
For this move list:

 1.     b4    f4
 2.     d6    d2
 3.     b6    b2
 4.     f6xb2    b2
 5.     c5

Black:
Bad move:  f2xb4 (lost in 39)
Good move: f2xc5/ or no mill

(From so_gewinnt_man_muehle)

We cannot stop black to do bad move at 5th.
So we try to stop black to do b2 at 4th.
Through change black's 3rd move depth to 3,
Black will do d7/d5/a4/c4.

This commit is not conflict with
"depth: Limit 6th and 7th move depth to 15"
(fefa064cb9)

Test result:
If change depth to less than 2 (not 3), played 600-800 games.
Before change:
20% : 32% : 48%
After change:
17% : 43% : 39%
2021-09-18 00:18:03 +08:00
.github/workflows github-action: Change flutter version from channel stable to v2.2.3 2021-09-10 01:15:15 +08:00
ci ci: Add run-win32-qt-build.bat 2019-09-05 23:46:08 +08:00
fastlane/metadata/android Sanmill v1.1.30 (2156) 2021-09-15 01:01:35 +08:00
include config.h: Add some comments 2021-07-31 13:23:35 +08:00
resources icon: Replace icons 2021-02-14 16:49:37 +08:00
src depth: Limit black 3rd move thinking depth to less than 3 2021-09-18 00:18:03 +08:00
tests sh: Adapt multi-platforms 2021-07-11 19:55:46 +08:00
.gitignore Add Coverity files to .gitignore 2021-08-14 13:52:01 +08:00
AUTHORS Update AUTHORS 2021-07-10 00:39:49 +08:00
Copying.txt license: Change Licence to GPL 3.0 2019-11-03 13:00:45 +08:00
MillGame.ico icon: Replace icons 2021-02-14 16:49:37 +08:00
Readme.md Readme.txt: Correct alt to "Get it on CafeBazaar" 2021-07-11 19:55:55 +08:00
appveyor.yml Fix Kritika notes 2020-03-21 00:25:45 +08:00
clean.sh sh: Adapt multi-platforms 2021-07-11 19:55:46 +08:00
cov.sh Add cov.sh 2021-08-14 14:04:59 +08:00
deploy.sh deploy.sh: Do not commit and only push 2020-12-21 23:51:46 +08:00
flutter-init.sh Replace third party notices page to oss license page 2021-06-25 01:54:01 +08:00
flutter-windows-init.sh chmod +x *.sh 2021-05-29 04:17:02 +08:00
gamewindow.qrc qt: Remove blank line of gamewindow.qrc 2021-06-18 23:59:02 +08:00
gamewindow.ui settings: Set ConsiderMobility to on as default 2021-09-13 00:34:15 +08:00
millgame-qt_zh_CN.ts Indicate white pieces as player one and black as player two 2021-05-14 23:51:52 +08:00
millgame.pro config: Rename MOBILE_APP_UI to QT_MOBILE_APP_UI 2021-07-31 12:16:10 +08:00
millgame.rc Sanmill v1.1.30 (2156) 2021-09-15 01:01:35 +08:00
millgame.sln msvc: Fix Win32 build error 2021-01-24 12:07:34 +08:00
millgame.vcxproj msvc: Fix Win32 build error 2021-01-24 12:07:34 +08:00
millgame.vcxproj.filters msvc: Fix Win32 build error 2021-01-24 12:07:34 +08:00
programr.md Change N-move rule default value from 50 to 100 2021-06-20 10:57:21 +08:00
rcc.sh chmod +x *.sh 2021-05-29 04:17:02 +08:00
release.sh Add fa-IR resources to fastlane and android res 2021-08-08 01:31:43 +08:00
version.sh macos: Fix version.sh and release.sh 2021-07-11 23:59:39 +08:00

Readme.md

Overview

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Get it on GitHub Get it on F-Droid Get it on Google Play Get it on CafeBazaar

Build Status Codacy Badge

Sanmill is a free, powerful UCI-like N men's morris program with CUI, Flutter GUI and Qt GUI.

Nine men's morris is a strategy board game for two players dating at least to the Roman Empire. The game is also known as nine-man morris, mill, mills, the mill game, merels, merrills, merelles, marelles, morelles, and ninepenny marl in English.

image

Files

This distribution of Sanmill consists of the following files:

  • Readme.md, the file you are currently reading.

  • Copying.txt, a text file containing the GNU General Public License version 3.

  • src, a subdirectory containing the full source code, including a Makefile that can be used to compile Sanmill CUI on Unix-like systems.

  • src/ui/flutter_app, a subdirectory containing a Flutter frontend.

  • src/ui/qt, a subdirectory containing a Qt frontend.

How to Build

CUI

Sanmill CUI has support for 32 or 64-bit CPUs, certain hardware instructions, big-endian machines such as Power PC, and other platforms.

On Unix-like systems, it should be easy to compile Sanmill directly from the source code with the included Makefile in the folder src. In general it is recommended to run make help to see a list of make targets with corresponding descriptions.

cd src
make help
make build ARCH=x86-64-modern

When reporting an issue or a bug, please tell us which version and compiler you used to create your executable. These information can be found by typing the following commands in a console:

./sanmill compiler

Qt Application

If you have started using Ubuntu or any Ubuntu-based Linux distribution, you must install Qt by running the following command as root:

sudo apt-get install qt5-default qtmultimedia5-dev qtcreator

Use Qt Creator to open millgame.pro , or use Visual Studio to open millgame.sln to build Qt Application.

Flutter App

Run ./flutter-init.sh , copy src/ui/flutter_app/android/key.properties.example to src/ui/flutter_app/android/key.properties, modify it, and then use Android Studio or Visual Studio Code to open src/ui/flutter_app to build Flutter App.

Understanding the code base and participating in the project

Sanmill's improvement over the last couple of years has been a great community effort. There are a few ways to help contribute to its growth.

Improving the code

If you want to help improve the code, there are several valuable resources:

  • In this wiki, many techniques used in Sanmill are explained with a lot of background information.

  • The latest source can always be found on GitHub.

  • Discussions about Sanmill take place in the Discussions.

Terms of use

Sanmill is free, and distributed under the GNU General Public License version 3 (GPL v3). Essentially, this means you are free to do almost exactly what you want with the program, including distributing it among your friends, making it available for download from your website, selling it (either by itself or as part of some bigger software package), or using it as the starting point for a software project of your own.

The only real limitation is that whenever you distribute Sanmill in some way, you must always include the full source code, or a pointer to where the source code can be found. If you make any changes to the source code, these changes must also be made available under the GPL.

For full details, read the copy of the GPL v3 found in the file named Copying.txt.