MacでAlpha ZeroライクのLeela Chess を動かし、lichessでネット対戦 ref: https://qiita.com/vochicong/items/b6a3ca57a2fd11461f46

file0.txt

$ git clone -b release --recurse-submodules \
    https://github.com/LeelaChessZero/lc0.git
$ cd lc0
$ brew install python3 meson ninja
$ ./build.sh # ビルド
$ ./build/release/lc0 # 軽く動作確認
v0.19.0-rc4 built Nov 14 2018
Ctr^C で終了

file1.txt

$ git clone https://github.com/careless25/lichess-bot.git
$ cd lichess-bot
$ pip3 install virtualenv
$ virtualenv .venv -p python3
$ source .venv/bin/activate
$ pip3 install -r requirements.txt
$ cp config.yml.default config.yml

file2.txt

$ diff -b config.yml*
1c1
< token: "取得したトークン"    # lichess OAuth2 Token
---
> token: "xxxxxxxxxxxxxxxx"    # lichess OAuth2 Token
6,7c6
<   name: "lczero"        # binary name of the engine to use
---
>   name: "engine_name"        # binary name of the engine to use
11,12c10,11
< lczero:                    # lczero specific settings
<   weights: "engines/latest.txt" # weights file path
---
> # lczero:                    # lczero specific settings
> #   weights: "engines/latest.txt" # weights file path
46c45
< abort_time: 120               # time to abort a game in seconds when there is no activity
---
> abort_time: 20               # time to abort a game in seconds when there is no activity
54,55c53,54

file3.txt

$ source .venv/bin/activate
$ python3 lichess-bot.py

file4.txt

2018-11-14 16:59:08,208: .   _/|
.  // o\
.  || ._)  lichess-bot 1.1.0
.  //__\
.  )___(   Play on Lichess with a bot

2018-11-14 16:59:09,844: Welcome aifun!
2018-11-14 16:59:09,844: You're now connected to https://lichess.org/ and awaiting challenges.
2018-11-14 16:59:11,138: --- Process Used. Total Queued: 0. Total Used: 1
2018-11-14 16:59:11,140: --- Process Used. Total Queued: 0. Total Used: 2
       _
|   _ | |
|_ |_ |_| v0.19.0-rc4 built Nov 14 2018
Found pb network file: ./engines/latest.txt
Creating backend [opencl]...
OpenCL, maximum batch size set to 16.
Initializing OpenCL.
Detected 1 OpenCL platforms.
Platform version: OpenCL 1.2 (Oct 11 2018 21:04:03)
Platform profile: FULL_PROFILE
Platform name:    Apple
Platform vendor:  Apple
Device ID:      0
Device name:    Intel(R) Core(TM) i5-5257U CPU @ 2.70GHz
Device type:    CPU
Device vendor:  Intel
Device driver:  1.1
Device speed:   2700 MHZ
Device cores:   4 CU
Device score:   512
Device ID:      1
Device name:    Intel(R) Iris(TM) Graphics 6100
Device type:    GPU
Device vendor:  Intel Inc.
Device driver:  1.2(Oct 11 2018 20:55:57)
Device speed:   1050 MHZ
Device cores:   48 CU
Device score:   612
Selected platform: Apple
Selected device: Intel(R) Iris(TM) Graphics 6100
with OpenCL 1.2 capability.
Loaded existing SGEMM tuning for batch size 16.
Wavefront/Warp size: 8

Max workgroup size: 256
Max workgroup dimensions: 256 256 256