Chess example

README.md

@@ -9,9 +9,9 @@ and optionally converts it to PDF, PNG, and/or LaTeX for LaTeX text.
 Here are a few examples of generated figures;
 see [more examples below](#examples).
 
-| [Super Mario Bros.](examples/mario) | [The Witness](examples/witness) |
-| --- | --- |
-| [![Super Mario Bros. custom level](examples/mario/door_overworld.png)](examples/mario) | [![The Witness custom level](examples/witness/solved-grid.svg)](examples/witness) |
+| [Super Mario Bros.](examples/mario) | [The Witness](examples/witness) | [Chess](examples/chess) |
+| --- | --- | --- |
+| [![Super Mario Bros. custom level](examples/mario/door_overworld.png)](examples/mario) | [![The Witness custom level](examples/witness/solved-grid.svg)](examples/witness) | [![Immortal Game chessboard](examples/chess/board-immortal.svg)](examples/chess)
 
 ## Main Concepts
 
@@ -546,6 +546,7 @@ while others are more demonstrations of particular SVG Tiler features.
 ### Video/board games:
 * [Super Mario Bros.](examples/mario)
 * [Tetris](examples/tetris)
+* [Chess](examples/chess)
 * [The Witness](examples/witness)
 * [Tilt](examples/tilt)
 

examples/chess/Makefile

@@ -0,0 +1,5 @@
+all: coffee js
+coffee:
+	svgtiler map.coffee *.asc
+js:
+	svgtiler map.js *.asc

examples/chess/README.md

@@ -0,0 +1,41 @@
+# Chess Boards
+
+## Drawings
+
+| Rendering | Repo Files | Source |
+|-----------|------------|--------|
+| ![Initial chessboard](board-init.svg) | [ASCII input](board-init.asc)<br>[SVG output](board-init.svg) | [Wikipedia: Chess](https://en.wikipedia.org/wiki/Chess) |
+| ![Immortal Game chessboard](board-immortal.svg) | [ASCII input](board-immortal.asc)<br>[SVG output](board-immortal.svg) | [Wikipedia: Immortal Game](https://en.wikipedia.org/wiki/Immortal_Game) (last position) |
+
+## Mapping
+
+* [CoffeeScript mapping file](map.coffee) and equivalent
+  [JavaScript mapping file](map.js), illustrating:
+  * Computing the square parity to automatically shade dark squares
+  * Using `require` to load and modify external SVG files
+    (strip off unnecessary `<svg>` wrapper)
+  * JSX notation for creating and composing symbols
+
+## Piece Shapes
+
+Piece shapes are defined by unmodified SVGs from
+[Wikimedia's Standard chess diagrams](https://commons.wikimedia.org/wiki/Standard_chess_diagram),
+authored by [Cburnett](https://commons.wikimedia.org/wiki/User:Cburnett)
+(Colin M.L. Burnett)
+and licensed under [BSD license](https://opensource.org/licenses/BSD-3-Clause)
+(among other licenses).
+
+| Image | Repo file | Wikimedia link |
+|-------|-----------|----------------|
+| ![](Chess_bdt45.svg) | [Chess_bdt45.svg](Chess_bdt45.svg) | [Chess_bdt45.svg](https://commons.wikimedia.org/wiki/File:Chess_bdt45.svg) |
+| ![](Chess_blt45.svg) | [Chess_blt45.svg](Chess_blt45.svg) | [Chess_blt45.svg](https://commons.wikimedia.org/wiki/File:Chess_blt45.svg) |
+| ![](Chess_kdt45.svg) | [Chess_kdt45.svg](Chess_kdt45.svg) | [Chess_kdt45.svg](https://commons.wikimedia.org/wiki/File:Chess_kdt45.svg) |
+| ![](Chess_klt45.svg) | [Chess_klt45.svg](Chess_klt45.svg) | [Chess_klt45.svg](https://commons.wikimedia.org/wiki/File:Chess_klt45.svg) |
+| ![](Chess_ndt45.svg) | [Chess_ndt45.svg](Chess_ndt45.svg) | [Chess_ndt45.svg](https://commons.wikimedia.org/wiki/File:Chess_ndt45.svg) |
+| ![](Chess_nlt45.svg) | [Chess_nlt45.svg](Chess_nlt45.svg) | [Chess_nlt45.svg](https://commons.wikimedia.org/wiki/File:Chess_nlt45.svg) |
+| ![](Chess_pdt45.svg) | [Chess_pdt45.svg](Chess_pdt45.svg) | [Chess_pdt45.svg](https://commons.wikimedia.org/wiki/File:Chess_pdt45.svg) |
+| ![](Chess_plt45.svg) | [Chess_plt45.svg](Chess_plt45.svg) | [Chess_plt45.svg](https://commons.wikimedia.org/wiki/File:Chess_plt45.svg) |
+| ![](Chess_qdt45.svg) | [Chess_qdt45.svg](Chess_qdt45.svg) | [Chess_qdt45.svg](https://commons.wikimedia.org/wiki/File:Chess_qdt45.svg) |
+| ![](Chess_qlt45.svg) | [Chess_qlt45.svg](Chess_qlt45.svg) | [Chess_qlt45.svg](https://commons.wikimedia.org/wiki/File:Chess_qlt45.svg) |
+| ![](Chess_rdt45.svg) | [Chess_rdt45.svg](Chess_rdt45.svg) | [Chess_rdt45.svg](https://commons.wikimedia.org/wiki/File:Chess_rdt45.svg) |
+| ![](Chess_rlt45.svg) | [Chess_rlt45.svg](Chess_rlt45.svg) | [Chess_rlt45.svg](https://commons.wikimedia.org/wiki/File:Chess_rlt45.svg) |

examples/chess/board-immortal.asc

@@ -0,0 +1,8 @@
+r.bk...r
+p..pBpNp
+n....n..
+.p.NP..P
+......P.
+...P....
+P.P.K...
+q.....b.