A classic 8x8 chess board with alternating light and dark squares, labeled with standard algebraic notation (columns a-h, rows 1-8). This clean grid visualization serves as a foundation for chess diagrams, game position displays, and educational chess materials.

# anyplot.ai
# chessboard-basic: Chess Board Grid Visualization
# Library: makie 0.21.9 | Julia 1.11.9
# Quality: 91/100 | Created: 2026-09-01
using CairoMakie
using Colors
# --- Theme tokens -----------------------------------------------------------
const THEME = get(ENV, "ANYPLOT_THEME", "light")
const PAGE_BG = THEME == "light" ? colorant"#FAF8F1" : colorant"#1A1A17"
const INK = THEME == "light" ? colorant"#1A1A17" : colorant"#F0EFE8"
const INK_SOFT = THEME == "light" ? colorant"#4A4A44" : colorant"#B8B7B0"
# Board squares pair the Imprint brand green (dark square) with the fixed
# Imprint amber anchor (light square) — both data colors stay identical
# across themes; only the surrounding chrome (background/text/grid) flips.
const DARK_SQUARE = colorant"#009E73"
const LIGHT_SQUARE = colorant"#DDCC77"
# --- Data ---------------------------------------------------------------
# Standard chess board: a1 is dark, light squares at h1 and a8.
# (file index + rank index) even -> dark square; odd -> light square.
files = 'a':'h'
ranks = 1:8
squares = [Rect2f(f + 0.5, r + 0.5, 1, 1) for f in 0:7 for r in 0:7]
square_color = [(f + r) % 2 == 0 ? DARK_SQUARE : LIGHT_SQUARE for f in 0:7 for r in 0:7]
# --- Plot -------------------------------------------------------------------
title_str = "chessboard-basic · julia · makie · anyplot.ai"
fig = Figure(
resolution = (1200, 1200),
fontsize = 14,
backgroundcolor = PAGE_BG,
)
ax = Axis(
fig[1, 1];
title = title_str,
titlesize = 20,
titlecolor = INK,
aspect = DataAspect(),
backgroundcolor = PAGE_BG,
xticks = (1:8, string.(collect(files))),
yticks = (1:8, string.(collect(ranks))),
xticklabelcolor = INK_SOFT,
yticklabelcolor = INK_SOFT,
xticklabelsize = 16,
yticklabelsize = 16,
xticksvisible = false,
yticksvisible = false,
topspinevisible = false,
rightspinevisible = false,
leftspinecolor = INK_SOFT,
bottomspinecolor = INK_SOFT,
xgridvisible = false,
ygridvisible = false,
)
# Each square is its own poly! Rect2f — a Makie-idiomatic geometry
# primitive rather than a generic two-color heatmap — with a thin ink
# hairline stroke between squares for definition.
hairline = RGBAf(INK.r, INK.g, INK.b, 0.15)
poly!(ax, squares; color = square_color, strokecolor = hairline, strokewidth = 1)
# Outer board frame: a crisp ink-soft border around the full 8x8 grid gives
# the eye a clean boundary and extra polish beyond the flat square fills.
lines!(ax, [0.5, 8.5, 8.5, 0.5, 0.5], [0.5, 0.5, 8.5, 8.5, 0.5]; color = INK_SOFT, linewidth = 2.5)
limits!(ax, 0.5, 8.5, 0.5, 8.5)
# --- Save -------------------------------------------------------------------
save("plot-$(THEME).png", fig; px_per_unit = 2)
Runnable source as JSON, for any HTTP client: https://api.anyplot.ai/specs/chessboard-basic/makie/code. Any spec id and library id listed in llms-full.txt fit the same URL shape; every URL below is complete and callable.
{
"spec_id": "chessboard-basic",
"language": "julia",
"library": "makie",
"page": "https://anyplot.ai/chessboard-basic/julia/makie",
"hub": "https://anyplot.ai/chessboard-basic",
"code_json": "https://api.anyplot.ai/specs/chessboard-basic/makie/code",
"spec_json": "https://api.anyplot.ai/specs/chessboard-basic",
"render_light_png": "https://storage.googleapis.com/anyplot-images/plots/chessboard-basic/julia/makie/plot-light.png",
"render_dark_png": "https://storage.googleapis.com/anyplot-images/plots/chessboard-basic/julia/makie/plot-dark.png",
"quality_score": 91.0,
"license": "MIT",
"guide": "https://anyplot.ai/llms.txt"
}Part of Chess Board Grid Visualization on anyplot.ai.