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LizGoban - Leela Zero & KataGo visualizer

LizGoban is an analysis tool of the game Go with Leela Zero and KataGo. It is an implementation of Lizzie-style real-time UI on Electron with lots of original gimmicks.

(Facial stone images from Goisisan)

Table of contents

Highlights

  1. Engines do not tell the reason of suggestions. So LizGoban aims at a GUI for easy trial of what-if in addition to quick browse of proposed variations. For example, you can use any number of trial boards in parallel, discard a needless one by a single action, and restore the deleted one if necessary.
  2. Engine's suggestions are not 100% reliable, of course. We hope to get some signs when the suggested moves are unreliable. LizGoban visualizes convergence and consistency of estimations for this purpose. We can notice the case when we should wait for a little more analysis, and will never miss a new rising candidate like the one in the above screenshot.
  3. Though Lizzie is amazingly useful, its setup is not easy for many Go players because it needs Java. In this project, the core feature of Lizzie is transported to JavaScript so that they can taste the joy of real-time analysis. The all-in-one package of LizGoban works immediately out of the box without installation, configuration, additional downloads, and so on.
  4. Flexibility of JavaScript also enables quick experiments of fun ideas that bring various original features as follows.

Features

Common features

  • Colored suggestions / Variation by mouse hover like Lizzie
  • Plots of winrate and estimated score
  • Subboard that always shows the principal variation
  • Blunder marks on stones and quick review of them by mouse click like KaTrain
  • Auto-replay / Auto-analysis
  • Quick switching of multiple engines
  • Open URL (by drag & drop or clipboard)
  • Save/load analyses to/from SGF in Lizzie-compatible format
  • Restriction of analysis region like KaTrain
  • Free editing of stones in the middle of a game
  • Import stone positions from diagram images like img2sgf
  • [Experimental] Use your favorite images for the board and the stones

Original features

  • Trial boards that can be used like tabs in web browsers
  • Watch Leela Zero vs. KataGo etc. with real-time comparison of their plans
  • Personal exercise book that can be used like bookmarks in web browsers for random exercise
  • Quick comparison of stones, ownerships, and areas of the current and past boards
  • Side by side comparisons of two sequences:
    • the principal variation and the actual succeeding moves
    • the branch and the main sequence for nested SGFs
    • the plans by both players in AI vs. AI
  • Let-me-think-first mode in autoplay: plain board for n seconds and then suggestions for n seconds in each move
  • Preview of branches before switching for nested SGFs
  • Configurable presets that enable easy switching of your favorite combinations on engine, weights, komi, board_type, etc.
  • Play against weakened engines in several ways (Note: KaTrain has nicer features in this field now.)
  • Play pair Go, "you & KataGo" vs. Leela Zero, etc.
  • [Experimental] Tsumego frame for solving life & death problems
  • [Experimental] Indicate ladder breakers and show continuation of ladders automatically.
  • [Experimental] External control of GUI from another program

Original visualizations

  • Visualization of search progress via plots of visits, winrate, score, prior, ... for each suggested move
  • Real-time display of area counts by KataGo
  • Analysis of gains and losses in recent moves on the board that reveals overlooked side effects
  • Larger fonts for inevitable moves in the suggested variation
  • Highlighting of unexpected good moves that are overlooked by engines
  • Detection of inconsistency between analyses before/after a move as a check of their reliability
  • Additional plots
    • cumulative score-losses by black and white that indicate mistakes of each player separately
    • ambiguity of life & death that indicates big fights, game stages (opening / middlegame / endgame), etc.
  • Indicators that suggest highlight scenes of the game (ko fights, played zones)
  • Translucent stones for too long variations as the above screenshot
  • Ownerships of stones by facial expressions

Usage

64bit Windows

Just download the all-in-one package. You can enjoy KataGo immediately without installation, configuration, additional downloads, etc.

Other platforms (Mac, Linux, ...) or Windows with more flexible configuration

To use LizGoban with Leela Zero:

  1. Install Node.js v12 or later.
  2. Type git clone https://github.com/kaorahi/lizgoban; cd lizgoban; npm install on a terminal.
  3. Put Leela Zero binary (version 0.17 or later) as external/leelaz together with its network weight as external/network.gz.
  4. Type npm start. (Windows: Double-click lizgoban_windows.vbs.)

Use npm start -- --no-sandbox if you get an error like "The SUID sandbox helper binary was found, but is not configured correctly" and you do not want to fix it.

To use LizGoban with KataGo:

Follow the above 1 and 2. Place KataGo binary, its model, and its GTP configuration somewhere, say /FOO/BAR/katago, /FOO/BAR/model.bin.gz, and /FOO/BAR/gtp.conf. Then write config.json as follows.

{
    "preset": [
        {
            "label": "KataGo",
            "engine": ["/FOO/BAR/katago", "gtp",
                       "-override-config", "analysisPVLen=50, defaultBoardSize=19",
                       "-model", "/FOO/BAR/model.bin.gz",
                       "-config", "/FOO/BAR/gtp.cfg"]
        }
    ]
}

Start LizGoban as

npm start -- -c config.json

(Windows: Put the above config.json into the same folder as lizgoban_windows.vbs and double-click lizgoban_windows.vbs.)

To configure LizGoban:

Here is a longer example of config.json for Leela Zero 0.17 and KataGo 1.4.4 or later.

{
    "analyze_interval_centisec": 20,
    "autosave_deleted_boards": 5,
    "autosave_sec": 300,
    "sgf_dir": "/FOO/BAR/sgf/",
    "exercise_dir": "/FOO/BAR/exercise/",
    "max_cached_engines": 3,
    "preset": [
        {
            "label": "Leela Zero",
            "accelerator": "F1",
            "engine": ["/FOO/BAR/leelaz", "-g", "-w", "/FOO/LZ_NET/254.gz"]
        },
        {
            "label": "KataGo",
            "accelerator": "F2",
            "engine": ["/FOO/BAR/katago", "gtp",
                       "-override-config", "analysisPVLen=50, defaultBoardSize=19",
                       "-model", "/FOO/KATA_NET/g104-b20c256.gz",
                       "-config", "/FOO/BAR/gtp.cfg"]
        },
        {
            "label": "KataGo (always aggressive)",
            "match": true, "rules": "tromp-taylor", "komi": 0, "handicap": 5,
            "stone_style": "2D",
            "engine": ["/FOO/BAR/katago", "gtp",
                       "-override-config",
                       "analysisPVLen=50, defaultBoardSize=19, dynamicPlayoutDoublingAdvantageCapPerOppLead=0.00, playoutDoublingAdvantage=2.00",
                       "-model", "/FOO/KATA_NET/g104-b20c256.gz",
                       "-config", "/FOO/BAR/gtp.cfg"]
        },
        {
            "label": "LZ",
            "label_for_white": "KATA",
            "empty_board": true,
            "engine": ["/FOO/BAR/leelaz", "-g", "-w", "/FOO/LZ_NET/254.gz"],
            "engine_for_white": ["/FOO/BAR/katago", "gtp",
                       "-model", "/FOO/KATA_NET/g104-b20c256.gz",
                       "-config", "/FOO/BAR/gtp.cfg"]
        },
        {"label": "Hide hints", "accelerator": "F3", "board_type": "raw"},
        {"label": "Show hints", "accelerator": "F4", "board_type": "double_boards"}
    ]
}
  • analyze_interval_centisec: Update interval of analysis display (1 = 0.01sec).
  • autosave_deleted_boards: Maximum number of deleted boards that are kept across sessions.
  • autosave_sec: Auto-save frequency (1 = 1sec).
  • sgf_dir: Default directory for [Open SGF] and [Save SGF] menus. (*1)
  • exercise_dir: Directory for your personal exercise book. (*1)
  • max_cached_engines: Maximum number of simultaneous engine processes. You can set this as 5 for quicker switch of 5 different engines / weights, for example, if your machine has enough spec.
  • preset: You can switch the given settings by [Preset] menu in LizGoban. The first one is used as default.
    • label: Item name shown in [Preset] menu.
    • accelerator: Shortcut key like "Shift+F3", "CmdOrCtrl+F4", "Alt+F5", etc. It can be omitted as the above "LZ" item.
    • engine: Engine command. (*1)
    • engine_for_white: Alternative engine is used for white if this is set. (*1)
    • label_for_white: Additional item name when engine_for_white is given.
    • empty_board: Set it true for creating new empty board.
    • rules: See the comments for "rules" in gtp_example.cfg of KataGo.
    • komi: 7.5, 6.5, 0, -0.5, etc. (for KataGo)
    • handicap: Number of handicap stones.
    • match: Set it true for match vs. AI. Set it 3 for pair Go (= AI plays 3 moves after your move).
    • board_type: One of "double_boards", "double_boards_raw", "double_boards_swap", "double_boards_raw_pv", "raw", "suggest", "variation", "winrate_only". See [View] menu for their appearances.
    • stone_style: One of "2D", "2.5D", "3D", or "Face". (You need to set "face_image_rule" for "Face". See the next section.)

(*1) In these items, you can use relative paths from the "working directory", that is the folder of LizGoban*.exe itself in the all-in-one package or external/ otherwise. For example, you can simply write "leelaz" for external/leelaz.

It is recommended to put all Leela Zero weights into one directory and all KataGo weights into another directory for using [Load network weights] menu conveniently. Delete obsolete "weight_dir" in your config.json if you wrote it.

Notes on KataGo: KataGo plays aggressively for handicap games in "match vs. AI" or "AI vs. AI" after LizGoban 0.5.0-pre4. To disable this automatic setting, you need to specify playoutDoublingAdvantage explicitly in the above "engine" entry (not in KataGo's configuration file like gtp_example.cfg). After KataGo 1.3.4, you can add defaultBoardSize=19 as the above example to shorten the initialization of 9x9 and 13x13. ("=19" is ok. It is replaced with 9 or 13 inside LizGoban automatically.)

For quick experiments, you can also use

npm start -- -j '{"sgf_dir": "/foo/bar/baz/"}'
npm start -- -c config.json -j '{"sgf_dir": "/foo/bar/baz/"}'
etc.

on Mac or Linux. The latter option overwrites the former one in the second example.

In addition, LizGoban reads external/config.json (and config.json in the "working directory" in the above (*1)) beforehand if they exist.

To show ownerships of stones by facial expressions:

Prepare stone images and put them into external/ directory. For example, images in Goisisan are used in the above screenshot.

Then add "face_image_rule" into config.json like this.

{
    ...
    "face_image_rule": [
        [-0.8, "goisi_k4.png", "goisi_s4.png"],
        [-0.6, "goisi_k15.png", "goisi_s15.png"],
        [-0.4, "goisi_k8.png", "goisi_s8.png"],
        [-0.2, "goisi_k9.png", "goisi_s9.png"],
        [0.00, "goisi_k7.png", "goisi_s7.png"],
        [0.30, "goisi_k11.png", "goisi_s11.png"],
        [0.60, "goisi_k5.png", "goisi_s5.png"],
        [0.90, "goisi_k10.png", "goisi_s10.png"],
        [0.95, "goisi_k14.png", "goisi_s14.png"],
        [1.00, "goisi_k16.png", "goisi_s16.png"]
    ],
    ...
}

It means

  • goisi_k4.png (black) or goisi_s4.png (white) for ownership < -0.8 (dead).
  • goisi_k15.png or goisi_s15.png for ownership < -0.6.
  • ...
  • goisi_k16.png or goisi_s16.png for ownership <= 1.00 (alive).

Set KataGo as the engine and select View > Stone > Face. You need to enable View > Ownership if you have disabled it.

To replace images of board and stones (Experimental)

Put your favorite images of board and stones as external/board.png, external/black.png, and external/white.png (before starting LizGoban).

To control LizGoban from another program (Experimental)

ref.

You can control lizgoban from its STDIN as follows (example on Linux).

$ cd lizgoban/
$ echo 'mimic("play", "D3"); mimic("play", "R4")' | npm start -- -j '{"repl": true}'

See const api = ... in src/main.js for the list of commands. "Debug log" in "Debug" menu will be also useful if you want to observe which API is called for each mouse/keyboard operation. For debugging, you may prefer to type mimic(...) directly on the console with "REPL" in "Debug" menu.

Please note that this feature is experimental and API etc. may be changed in future.

Major changes

0.7.*

  • Support the new feature "ownershipStdev" in KataGo 1.10.0 (red backgrounds in the subboard), that looks like a heatmap of "KataGo's eye tracking".
  • Add "Auto overview" into Tool menu so that one can turn it off.
  • Slightly improve bogus territory counts.
  • Guess the rule from komi if RU (rule) property is missing in SGF.

Incompatibilities:

  • Upgrade libraries (Electron 15, etc.). So you may need to do "npm install" again.

0.6.*

  • Indicate inevitability of each move by its font size in suggested variations (KataGo only).
  • Show X mark on suggested variations when it is updated in the background.
  • Improve loading of nested SGFs, e.g. AlphaGo Games, so that we can read them conveniently:
    • Push the corresponding key (d, e, ...) for each branch (d, e, ... in dotted squares) to preview its sequence with comments.
    • Click one of branches (or hit Enter key in the above preview) to watch it in another trial board.
    • Click "x" mark at the right top of the board to close it and return to the main branch.
  • Implement side by side comparisons of the principal variation and the actual succeeding moves, etc.
  • Add stars to personal exercise book. Starred exercises will appear more often.
  • Support restriction of analysis region by Alt+drag like KaTrain.
  • Slightly improve Tsumego frame (boundary, analysis region).
  • Insert/delete moves in the middle of the game by Ctrl+Shift+click.
  • Insert a black (white) stone by b(w)+click.
  • Add import of diagram images by Ctrl+V ("Paste" in "Edit" menu). [Solve tsumego pictures (demo)] [Online version of "SGF from Image"]
  • Add pair Go to "File" menu and preset in config.json.
  • Add "Random opening" into Tool menu for AI vs. AI (and "diverse" strategy in Match vs. AI) for more various openings.
  • Add "Coordinates" into View menu.
  • Add "resize to 19x19" into "Flip..." in "Edit" menu.
  • Copy SGF comments to the clipboard when they are clicked.
  • Accelerate quick overview.
  • Automatically mark ladder breakers as "=" and show the continuation of the ladder by "=" key (experimental).
  • Experimentally support external control of LizGoban from another program.

Incompatibilities:

  • Upgrade libraries (Electron 11, etc.). So you may need to do "npm install" again.

0.5.*

  • Support ownerships of stones by facial expressions.
  • Support *.gib, *.ngf, *.ugf, and *.ugi in addition to *.sgf.
  • Modify "File" menu slightly for convenience.
  • Officially support reuse of analyses like Lizzie.
  • Add "Save/Copy SGF with analysis" into menu. (compatible with Lizzie 0.7.2)
  • Add more configurations (rules, komi, handicap, stone_style) into preset in config.json.
  • Omit marks for too minor suggestions on the board.
  • Automatically start quick overview after reading SGF.
  • Experimentally add "Tool > Experimental > Tsumego frame" for solving life & death problems. (See "Tips" section in "Help" menu.)
  • Improve display by "c" key + mouse hover on existing stones.
  • Stop pondering in match vs. AI if human's move is played in pausing.
  • Borrow some ideas from KaTrain.
    • Show mistakes and actually punished scores on stones.
    • Click on a stone to temporarily show the past board.
    • Double-click on a stone to jump to the move.
    • Fix wrong komi in Fox SGF.
  • Make KataGo aggressive for handicap games automatically in "match vs. AI" or "AI vs. AI". ("!" is appended to the engine names in the title bar.)
  • In "AI vs. AI", show the principal variations of both AIs side by side by "1" key (keep holding down) if "Two boards A (main+PV)" is selected from "View" menu.
  • Separate estimations for different komi etc. in winrate graph.
  • Support HA (handicap) property in SGF.

Incompatibilities:

  • Upgrade libraries (Electron 10, etc.). So you may need to do "npm install" again.

0.4.0

  • Support better stone images. ("Stone" in "View" menu & experimental stone/board images in the above section)
  • Support 9x9 and 13x13 in "File" menu. (See the above KataGo section to shorten their initialization.)
  • Add "Rule" into "Edit" menu for KataGo v1.3.
  • Add "Match vs. AI" into "File" menu.
  • Add "Quick overview" into "Tool" menu.
  • Enable "Undelete board" in Edit menu across sessions.
  • Plot cumulative score loss.
  • Show mistakes over stones.
  • Add buttons "?<" and ">?" for previous and next something. (comment, tag, mistake, ko resolution, illegal move)
  • Add indicators that suggest highlight scenes of the game (ko fights, etc.).
  • Separate estimations by different engines in winrate graph.
  • Show coordinates by "c" key.
  • Wrap long press of left/right arrow at the beginning/end of games for convenience.
  • Recognize handicap stones.
  • Read variations in SGF.
  • Show start-up log when engine is down.
  • Improve thumbnails (delay, color, etc.).
  • Add Japanese help.
  • Fix blur in HiDPI display.
  • Experimentally support saving/loading analyses in SGF. (See the above section.)

Incompatibilities:

  • Upgrade libraries (Electron 8, etc.). So you may need to do "npm install" again.
  • Recommended config.json is modified for KataGo 1.3.4. (See above.)
  • "weight_dir" in config.json is obsolete now. (See above.)
  • "label_for_white" is added to "preset" in config.json.
  • "Komi" and "Info" are moved from [Tool] to [Edit] menu.
  • The shortcut key CmdOrCtrl+? is changed from open_exercise_dir to load_recent_exercise.

0.3.*

  • Open URL by drag & drop or clipboard.
  • Count stones separately in area counts. (See "KataGo" section in "Help" menu.)
  • Flip & rotate the board randomly in exercise.

0.2.0

  • Add "preset" to switch engines inside LizGoban.
  • Add "max_cached_engines" for quicker switch of engines / weights.
  • Enable autoplay between different engines.
  • Add "personal exercise book".
  • Improve komi features.
  • The format of config.json is modified. (The obsolete format also works at present.)
  • Some items are moved to [Engine] menu.

0.1.0

  • The all-in-one package (*.exe) is offered for Windows.
  • The launcher command is changed from "npx electron src" to "npm start".
  • "Load engine" menu is deleted because it is misleading.

Links

Project Home / License (GPL3)