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Go Board Viewer

by j2masamitu
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Description

This plugin has not been manually reviewed by Obsidian staff. Displays Go (Weiqi/Baduk) SGF files and code blocks as interactive Go boards with playback controls for desktop and mobile.

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Latest Version

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Changelog

See all version on GitHub

README file from

Github

Obsidian Go Board Viewer

An Obsidian plugin that displays SGF (Smart Game Format) files and code blocks as interactive Go boards with playback controls.

📱 Works on both desktop and mobile devices - This plugin fully supports desktop and iOS and Android mobile devices.

日本語版はこちら

Features

Core Features

  • 📱 Mobile & Desktop Support: Full functionality on iOS, Android, Windows, Mac, and Linux
  • SGF Code Block Support: Automatically renders SGF text in ````sgf` code blocks as interactive Go boards
  • SGF File Embedding: Display .sgf files using ![[game.sgf]] syntax with optional parameters
    • move parameter: Start at a specific move number (e.g., ![[game.sgf|move=10]])
  • Direct File Opening: Open .sgf files directly in Obsidian
  • Game Information Display: Shows player names, ranks, event, date, komi, handicap, and result

SGF Editor (New in v2.0.0)

  • View/Edit Mode Selection: Choose mode by code block language tag
    • ````sgf` - View-only mode (default): Navigate and view games with full playback controls
    • ````sgf-edit` - Edit mode: Interactive editing with board manipulation
  • Interactive Editing: Click on the board to make changes
    • Add stones: Place black or white stones
    • Remove stones: Remove existing stones
    • Add labels: Add custom text labels to intersections
  • Comment Editor: Edit and save comments for the current position
  • Game Info Editor: Edit player names, ranks, and game title
  • Move Deletion: Delete moves from current position onwards
  • SGF Output: View and copy the edited SGF text in real-time
  • Auto-play Mode: Automatic move playback with play/pause controls (view mode only)

Playback & Navigation

  • Playback Controls: Navigate through game moves with First/Previous/Next/Last buttons
  • Move Comments: Display comments associated with each move
  • Variation Support: Handle and select between different game variations/branches

SGF Features

  • SGF Markers: Full support for SGF markup properties:
    • LB (Label): Text labels on intersections
    • TR (Triangle): Triangle markers
    • SQ (Square): Square markers
    • CR (Circle): Circle markers
    • MA (Mark): X-mark markers
  • Setup Stones: Support for AB (Add Black), AW (Add White), AE (Add Empty)
  • Multiple Board Sizes: 19×19, 13×13, 9×9, and custom sizes

Design & Customization

  • Responsive Design: Adapts to various screen sizes - perfect for studying Go games on your phone or tablet
  • Touch-Friendly: Optimized button sizes and layouts for mobile devices
  • Customizable Colors: Full color customization via settings:
    • Board background color
    • Grid line color (including star points)
    • Coordinate label color
    • SGF marker color (circles, triangles, squares, labels)
    • Variation label color
    • Reset to defaults button

Screenshots

Basic Game Display

Go Board with moves and markers ,Variation selection

Source Display

SGF Source

Installation

Manual Installation

  1. Download the latest release from the Releases page
  2. Extract the files to your Obsidian vault's .obsidian/plugins/goboard-viewer/ directory
  3. Enable the plugin in Obsidian Settings → Community Plugins

Note for Mobile Users with Sync Plugins:

  • If you're using a sync plugin like "Remotely Save", you need to temporarily enable "Sync Config Dir" to sync plugins to mobile devices
  • Steps:
    1. Enable "Sync Config Dir" in the sync plugin settings
    2. Run sync and wait for completion
    3. Verify the plugin appears on your mobile device
    4. You can disable "Sync Config Dir" again after installation
  • Important: When updating the plugin to a new version, you'll need to enable "Sync Config Dir" again to sync the update

Building from Source

  1. Clone this repository
  2. Install dependencies: npm install
  3. Build the plugin: npm run build
  4. Copy the following files to .obsidian/plugins/goboard-viewer/:
    • manifest.json
    • main.js
    • styles.css
  5. Enable the plugin in Obsidian Settings

Development Mode

npm install
npm run dev

Development mode watches for file changes and automatically rebuilds.

Usage

Method 1: SGF Code Block (View Mode)

Add an SGF code block to your markdown note for viewing:

```sgf
(;SZ[19];B[pd]C[Star point]
;W[dp];B[qp];W[dc];B[nq]
;W[qc]C[A direct 3–3 invasion])
```

Method 1b: SGF Code Block (Edit Mode)

Use sgf-edit language tag to enable editing:

```sgf-edit
(;SZ[19];B[pd]C[Star point]
;W[dp];B[qp];W[dc];B[nq]
;W[qc]C[A direct 3–3 invasion])
```

In edit mode, you can:

  • Click on intersections to add/remove stones or labels
  • Edit comments for the current position
  • Edit game information (player names, ranks, etc.)
  • Delete moves from the current position
  • Copy the edited SGF from the output area

Method 2: Embed SGF File

  1. Add an .sgf file to your vault
  2. Embed it in your note:
![[my-game.sgf]]

Using Markers

SGF markers are displayed in red (or blue for variations):

(;SZ[9]AB[aa][ba][ca][da][ea]AW[ac][bc][cc][dc][ec]TR[aa][ab][ac]SQ[ba][bb][bc]MA[ca][cb][cc]CR[da][db][dc]LB[ea:1][eb:2][ec:3])
  • TR: Red triangle ▲
  • MA: Red X mark ✕
  • SQ: Red square □
  • CR: Red circle ○
  • LB: Red text label
  • Variation markers: Blue letters (A, B, C...)

Handling Variations

When a position has multiple variations, the plugin displays:

  • Blue letter markers (A, B, C...) on the board showing where each variation begins
  • Variation selection buttons below the board
  • "(has variations)" indicator next to the move count

Click a variation button to switch between branches.

SGF Examples

Simple Game

(;GM[1]FF[4]SZ[19]KM[6.5]DT[2025-11-08];B[pd]C[star point];W[dp];B[pp];W[dd];B[fq];W[qq]C[direct 3–3 invasion];B[pq];W[qp];B[po];W[rn];B[cf];W[cn];B[fc];W[df];B[dg];W[ef];B[cd];W[cc];B[ce];W[dc];B[hc])

Game with Variations

(;GM[1]FF[4]SZ[19]KM[6.5]DT[2025-11-08];B[pd]C[star point];W[dp];B[pp];W[dd];B[fq](;W[qq]C[direct 3-3 invasion];B[pq];W[qp];B[po];W[rn];B[cf];W[cn];B[fc];W[df];B[dg];W[ef];B[cd];W[cc];B[ce];W[dc];B[hc])(;W[cn]C[knight's move];B[dq];W[cq];B[cr]))

Tsumego Problem with Setup

(;SZ[9]AW[ab][bb][cb][db][da]AB[ec][dc][cc][bc][ac][eb][ea]C[Black to play, White dies.];B[ba]C[3 point nakade])

Technical Details

  • @sabaki/shudan: Go board rendering library
  • @sabaki/sgf: SGF file parsing
  • Preact: Lightweight UI rendering
  • Obsidian API: MarkdownPostProcessor and MarkdownCodeBlockProcessor
  • Offline: Works without internet connection

Supported SGF Properties

Game Info

  • FF (File Format), GM (Game), SZ (Size)
  • PB (Player Black), PW (Player White)
  • BR (Black Rank), WR (White Rank)
  • KM (Komi), HA (Handicap), RU (Rules)
  • DT (Date), GN (Game Name), EV (Event), RO (Round), PC (Place)
  • RE (Result)

Moves & Setup

  • B (Black move), W (White move)
  • AB (Add Black), AW (Add White), AE (Add Empty)
  • C (Comment)

Markup

  • TR (Triangle), SQ (Square), CR (Circle)
  • MA (Mark/X), LB (Label)

Variations

  • Full support for game tree variations with selection UI

Known Limitations

  • Time information (BL, WL) is not displayed
  • Some advanced SGF properties may not be fully supported

Contributing

Contributions are welcome! Please feel free to submit issues and pull requests.

  1. Fork the repository
  2. Create your feature branch: git checkout -b feature/my-feature
  3. Commit your changes: git commit -am 'Add some feature'
  4. Push to the branch: git push origin feature/my-feature
  5. Submit a pull request

License

MIT License - see LICENSE file for details

Acknowledgments

Links

Sponsors