## ---- include = FALSE--------------------------------------------------------- knitr::opts_chunk$set( collapse = TRUE, comment = "#>", eval = identical(Sys.getenv("CHESS_TEST", unset = "0"), "1") ) ## ----------------------------------------------------------------------------- library(chess) # Read final game from the Queen's Gambit file <- system.file("harmon.pgn", package = "chess") harmon_borgov <- read_game(file) # PGN for game str(harmon_borgov) ## ----------------------------------------------------------------------------- # Read all games from My 60 Memorable Games file <- system.file("m60mg.pgn", package = "chess") m60mg <- read_game(file) # Check if it's a list of 60 games length(m60mg) ## ----------------------------------------------------------------------------- # PGN for Fischer vs. Unzicker str(m60mg[[10]])