is_check: Look for checks from enemy pieces

In dryguy/rbitr: Arbiter: One who ensures adherence to the rules and laws of chess

Look for checks from enemy pieces

Description

This function returns TRUE if there are checks from enemy pieces, and FALSE otherwise.

Usage

is_check(board, color)

Arguments

board	An 8x8 matrix representing a chess position. See fen_to_board() for details of the board representation.
color	A string ("white" or "black"), indicating which king to examine.

Value

TRUE if the king is in check from an enemy piece, FALSE otherwise.

Examples

board <- fen_to_board('8/8/8/8/4k3/8/8/8 b - - 0 1')
print(board$board)
is_check(board$board, 'black')
board$board[3, 4] <- 'P'
print(board$board)
is_check(board$board, 'black')

dryguy/rbitr documentation built on Oct. 15, 2024, 6:18 a.m.