plot_fen: Visualise a FEN

In cj-holmes/ggambit: Visualise FEN chess positions

Description

Visualise a FEN

Usage

plot_fen(
  fen = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1",
  perspective = "w",
  palette = "brown",
  piece_scale = 0.825,
  show_coords = TRUE,
  show_fen = FALSE,
  news_spacing = 0.12,
  news_thickness = 0.5,
  border_col = NA,
  border_size = 0.5
)

Arguments

fen	a character vector FEN of length one (defaults to the opening position)
perspective	view board from white "w" or black "b" perspective (default = "w")
palette	A single character colour theme listed below or a length 2 vector of colours ordered dark, light (default = "brown") "brown" "blue" "blue2" "green" "grey" "pink" "purple" "ic" "news"
piece_scale	scaling factor for piece sizes (default = 0.825)
show_coords	logical - should the board coordinates be printed? (default = TRUE)
show_fen	logical - should the FEN be printed in the plot caption? (default = FALSE)
news_spacing	spacing of shading lines if palette = "news" (default = 0.12)
news_thickness	thickness of shading lines if palette = "news" (default = 0.5)
border_col	Chess board border colour (default = NA (no border))
border_size	Chess board border size (default = 0.5)

Details

Chess piece SVG design file downloaded from https://commons.wikimedia.org/wiki/File:Chess_Pieces_Sprite.svg

jurgenwesterhof (adapted from work of Cburnett), CC BY-SA 3.0 <https://creativecommons.org/licenses/by-sa/3.0>, via Wikimedia Commons

Value

A ggplot2 plot object

Examples

# Plot the starting position
plot_fen('Q1b2rk1/p1p2p1p/6Bp/2b5/8/2P5/P1P2PPP/R4RK1 b - - 0 16')

# Plot an empty board
plot_fen("8/8/8/8/8/8/8/8 w KQkq - 0 1")

cj-holmes/ggambit documentation built on July 22, 2021, 12:56 p.m.