private static ChessBoard BuildBoardFromFen(FenBoardBuilder builder)
{
var board = new ChessBoard
{
FenBuilder = builder,
pieces = builder.Pieces
};
board.headers.Add("Variant", "From Position");
board.headers.Add("FEN", builder.ToString());
board.HandleKingChecked();
board.HandleEndGame();
return(board);
}
