Programmable Traffic Lights
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Programmable Traffic Lights
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You are familiar with the concept of stopping at a red traffic signal, proceeding with care on a green signal and adopting extreme caution on an amber signal. If you proceed to drive on a red signal you run the risk of being financially penalised or worse... crashing. Likewise, when betting, if you continually ‘play’ the wrong races and back the wrong horses you will be financially penalised, or ‘crash’.
This feature can be set up to help you to determine answers to both questions.
 The Overall Concept This powerful Traffic Lights functionality is part of the benefits included in the 'Extended Data Options' subscriptions for the WinlineGTX program. Its purpose is to allow you to enter rules that will (a) determine the races that you feel most comfortable betting in and (b) within those races, the horses that are worthy of consideration according to your strategies. Depending on the level of development this feature may be used to help you make the hard day-to-day decisions... to bet or not to bet. To some GTX users the Traffic Lights represent the single most potent function available within GTX. However, that would obviously depend on how they were set up and whether they are set up purely as 'indicators' or as 'indicators and ratings'. There are Race Traffic Lights, Horse Traffic Lights and Traffic Lights ratings.
It is almost essential to use the GTX System Developer to analyse historical data to determine the most effective rules for inclusion in your Traffic Lights Grids, or individual sets of rules. The Traffic Lights have a considerable advantage over a system, in that a system rejects a horse unless all rules are satisfied, whereas the Traffic Lights give a quick visual indication of the races and horses which best meet the user’s criteria. For example, say you have a system with 10 rules where a horse complied with 9 of
those rules but failed just one rule. Although that rule may be a relatively unimportant rule that required the
horse to have raced within a range of say 7 to 41 days. If the horse
actually raced exactly 42 days ago, the system containing that rule
would eliminate the selection, whereas the Traffic Lights indicators would simply display one
'red light' thereby indicating it was almost a selection. A distinct advantage of the Traffic Lights ratings is that they are a result of your own thought processes and are therefore unique, and exclusive to you. The biggest single advantage in setting up a reliable set of Traffic Lights is as a visual indicator of what you can expect, based on your personal rules. When viewing a race in your favoured rating order, you can gain a different perspective by viewing the Traffic Lights which will graphically demonstrate the degree to which a horse passes your own rules. They become even more useful when the field is ranked in different rating orders because they can identify the occasional unreliable rating. For example, in the example in the image below, say a rating has the horse Caught At Dawn top rated, in reality it probably has less than a 1% chance of winning based solely on the Traffic Lights displayed. An unreliable rating can occur for several reasons. One of the easiest to understand occurs when a Trakform Rating is skewed because of an incorrectly measured race time in a prior race. In the example below, horses with the first Horse Traffic Light red and horses with the first light green and less than two other green lights have a combined win expectancy of about 7%, based on analysis using the System Developer.
Traffic Lights allow you to take advantage of information gained from the analysis of historical races with the System Developer. The main difference is that a System Developer Selection is made only when a horse passes every rule. With Traffic Lights, depending on the number of rules and indicators, the degree to which a horse fails also becomes clearly evident. For example, in a bettable race a horse may have only one red Traffic Light. If for example this happened to be a rating Traffic Light and the horse was say one ranking outside of your requirements for that rating, you may still decide to play the bet. Traffic Lights are a way of documenting and visualising the outcome of your personal thought processes on a race, in a consistent manner. For example, if you decide that the GTX Rating, Trakform Rating, Jockey and Last Start form are the key factors in a race, you can set up Traffic Lights to instantly assess each horse in the race according to those principles. You don't have to check each horse separately; the lights immediately show you those horses that measure up and those that don't. Originally conceived solely as a visual indication of whether or not a runner should be backed, Traffic Lights is now a powerful user-definable rating. Traffic Lights enables you to create a personalised rating based on your own process of thinking, and it has the added feature of each specific parameter being able to be configured by you to indicate the relative importance of that parameter. If you have the System Developer, you have the power of being able to test the independent value of almost all Traffic Light parameters, create the Traffic Light Rating with the chosen parameters and then test the rating over historical data. To create the rating, as you add the Horse rules to a race grid (set of rules) you have the option of including your chosen value for a Pass, a Fail or a Default. The sum of these positive and negative values for each horse creates a nett rating which allows each horse to be ranked within the field according to your own thoughts regarding the relative importance of each rule; for example if you determined that ratings were the most important component in a particular set of rules, you can assign a higher ‘Pass’ value for each of the individual ratings than you do for other rules. This Traffic Lights nett rating is treated by GTX in exactly the same way as any other nett rating, in that a probability and price are calculated and displayed in the Probablities and Price Columns, if you have selected those columns for inclusion in the Field View. The Nett Rating can also be displayed. See Select Columns to learn how to Add or Remove or Re-organise Columns. The columns you may want to select are:
Generic means that these columns will contain the values relating to the currently selected rating order. If you have the Field ranked by Traffic Light Ratings order, the Generic columns will contain Traffic Light values. If you have the Field ranked by Trakform Ratings, for example, the Generic columns will contain Trakform Nett Ratings, Probabilities and Prices.
You can create any number of number of grids, or sets of rules, enabling individual sets of Race and Horse Traffic Light Indicators. From a management perspective it would be wise to keep the number of grids to say ten in total. Each Grid has the name you have given it and a Grid number which is displayed to the right of the track condition indicator.
Traffic Light Indicators There are several Programmable Race Traffic Light Indicators available for each grid. We suggest that you limit the number to say four for practical purposes.
There are also a number of Programmable Horse Traffic Light Indicators for each set of Race Traffic Lights Grids. However, we recommend that you limit the number to less than twelve for practical purposes. For each race or horse TL Indicator, as with the System Developer, you can select a combination of rules for inclusion or exclusion, as well as specifying negative and/or positive values for Pass, Fail or Default where applicable. The sum of all these negative/positive values creates the Traffic Lights Rating for each horse. On
Ex If you also check the ‘Ex’ box, which reverses the rule, Race Light #1 will be green if the race distance is greater than 1200, and red if the distance is 800-1200. Note that if using ‘Ex’, the ‘On’ checkmark must also be used, or the rule will be bypassed, because it is not ‘switched on’.
Pass, Fail, Default Horses can be given points for passing a rule, or for failing to pass a rule. Points can be either plus/positive, for example 5.0, or minus figures such as -4.0.
Points can also be given for Default. These points will be given to a horse that is not able to either pass or fail a rule. Example: Consider the rule Last Run>Days Ago >Min O – Max 21 A horse that has previously raced will either have raced in the last 21 days and will therefore pass this rule, or its last run will have been 22 days or more ago, and will fail the rule. However, a horse that has not yet raced, a first starter, cannot pass or fail this rule, so you may not want it to ‘suffer’ as much as a Fail, and give it ‘Default’ points which are less than a Pass, but not as few as a Fail. One such example in this situation could be 2.5 points for a Pass and 1.0 point for a Default. There is no real need to enter points for the Fail. Leaving it at 0.0 means that it is 2.5 points behind the Pass points and 1.0 point behind the Default. If you didn’t want to penalise the horse at all because it can’t comply with a few rules (because it doesn’t have the form) you could assign the same points to Default as you did to Pass. If you have assigned a light to a rule with Default points, that light will be amber for horses that ‘default’. The general range of rating points should be between say a minimum of 10 and a maximum of 60. The weight of each value assigned ensuring that the values are relative in strength. For example, you may have a rule or two that you consider are more important than the others. You would then assign more points to these rules than you would to the other less-important rules. If you look up the top of the screen at the RACE traffic lights to the left you will see the "Lock Traffic Grid" (run your mouse over it)...if it's unlocked it will be "out" and if it's locked it will be "indented"...to the left of that is the number of the current grid being displayed. The default grid that came with the program is 0. Each time you add a Grid it simply goes up sequentially; ..1..2..3 and so on. It's a good idea to lock any grid you are using. Completely forget about running any grid through The System Developer for now because you need to ensure that a common Grid is loaded to all races to be analysed (this is called synchronised) and also you need to ensure that the Traffic Light Ratings to be analysed have all been correctly calculated (use the re-calculate function). Don’t make your first Grid too complicated and don’t add too many Horse Traffic lights until you understand what you are doing. In the example above, different values have been assigned to individual rules. The weighting of the values assigned to each rule should be considered against the Net Rating total. Keep it simple till you get the hang of it. It can be handy to print out the rules to each Grid so when you look at each light you know what it refers to. With your grid rules printed out you can look at each race and at a glance and see what particular Race or Horse rule is not being satisfied. You may have full green Race lights on yet the top ranked runner only fails by a single factor. Time to have a closer look at it perhaps. Although you may choose to display a separate Traffic Light for each horse rule this is not necessary. This means that you can enter one or as many rules as you want for each individual Traffic Light, but bear in mind that if the horse is outside the range in just one of the rules and the rest are OK, then that Light will be red in the Field View. A Horse TL display may have several (even up to 32) individual TLs displayed. Normally, you would set the order of importance from left to right, where the first TL is the most critical or important to your thinking process. It is not essential to enter pass/fail values against every rule. The value for a rule pass does not need to be the same as a value for a rule fail. If you use a value of say +1 for each pass it is not necessary to add a value for a fail, as the horses that fail the rule are already 1 point behind the horses that pass the rule. Each rule may have the same or a different value associated with a pass/fail. Each 1 point increment for a rule pass is roughly equivalent to 1 Trakform Rating point (1/10 second) or 1 kilogram in weight rating terms. You should weight the value of the bonuses/penalties according to the importance given to that rule in your personal assessment. If, for example, you would never back a horse older than six years you might include a penalty of say -3 points for horses of that age or older. It may not then be necessary to add a bonus for younger horses. In this example it would achieve the same result if you gave a 3-point bonus to horses Min 2 to Max 6 years of age instead of the penalty to older horses.
Setup the display of Traffic Light Indicators
On screen the Traffic Lights column
is labelled simply ‘T’ . We suggest that you display the field on the Primary Field View Screen, so you don’t need to scroll across the screen to view it.
To create a new grid of rules, you can then either modify an unwanted existing grid, or create a completely new one. To setup a Traffic Light Grid, from the Main Menu select Setup > Traffic Lights.
Modify an Existing Grid Create a New Grid
Naming or Re-naming a Grid
The following section provides a step by step example of how to create a new Grid. In this example, the ‘theme’ is developed around the various Ratings, specifically the top five ranked runners in each rating in each race. The values that determine the Traffic Light Ratings add and subtract to make a range in this example in the order of between say –10.0 nett rating points for the lowest rating and say +44.0 nett rating points for a top rated selection. Create a new Grid Create a new grid by clicking on the Create New button and this will create a new sequentially numbered template. Select that template by clicking on the New Grid tab at the bottom and in the text box at bottom left, overtype the words New Grid with the name you wish to give this grid, for example ‘Ratings’
Race Rule 1
The Race Light #1 will display in the Field View as the first of the Race Traffic Lights and will be green if the race is 2000m or less or it will be red if the race is longer than 2000m.
In this example grid only two race Traffic Lights are to be employed.
The balance of the rules to be employed in this example will be entered as Horse Traffic Light rules. These lights display in the Traffic Lights column that needs to be selected for display in the Field View screen. See Select Columns We have just finished setting up the RACE Traffic Lights...the lights that appear at the top of the Field View screen. The two Traffic Lights displayed relate to each of the two rules. Note that you CAN have more than one rule associated with each light. If you wanted say, Traffic Light #1 to contain four rules you would simply number each rule with the number 1. However, unless all four conditions are met, that light will be displayed in red. You can also have more than 4 traffic lights if you wish...but let’s keep it simple for now with only two lights and one rule associated with each of the two RACE Traffic lights.
Note: By not entering a light # there will be no Traffic Light associated with this rule. However, the value +2 will be added to the nett Traffic Light rating for each horse wearing a saddlecloth number between 1 and 6. Important Note: Horse Rule 2 Place a tick in the On field next to the parameter Barrier and enter Min 0 and Max 10 and enter a value of 1.0 for a Pass. As with the TAB parameter, by not entering a light # there will be no Traffic Light associated with this rule. However, the value 1 will be added to the nett Traffic Light rating for each horse drawn in barriers 1 to 10. Horse Rule 3 Next place a tick in the On field in Weight Carried parameter then go to the right and type 1 in the L# field. This indicates that Horse Traffic Light #1 is defined by this Horse Rule, and as you will see shortly, also by Horse Rule 6. Enter Min 51.5 and Max 99 and enter a value of -6.0 in the Fail column. What this means is that if a horse fails this rule by carrying less than 51.5kg, it is penalised by a deduction of 6 points. Please note how this rule is weighted more heavily than other rules. Horse Rule 4 Place a tick in the On field next to the parameter Sex, open the select box by clicking on the green ‘expand’ button and tick Mare from the drop-list and enter a value of -2.0 for a Pass. This will deduct 2 points if the horse passes this rule; in other words, if it’s a mare. By not entering a number in the L# field, this rule influences only the nett rating.
Place a tick in the On column in Jockey Penalty and enter Min 0.0 and Max 0.0 then go to the right and type a value of 3.0 for a Pass. This means that only jockeys with 0.0 Jockey Penalty will get a 3 point bonus. By not entering a number in the L# field, this rule influences only the nett rating. Horse Rule 6 Place a tick in the On column in Age and enter Min 0 and Max 7 then go to the right and type a value of –3.0 for a Fail, meaning that horses older than 7 will get a penalty of 3 points. Then type 1 in the L# field. This indicates that Horse Traffic Light #1 is defined by this Horse Rule as well as the previously mentioned Horse Rule 3, the ‘Weight Carried’ rule. In this exercise, this will complete the entry of rules, Traffic Lights and Pass/Fail values in Horse parameters. Now we will enter some rules relating to the horse’s last run. Click on the Last Run tab beside the Horse tab.
Place a tick in the On field next to the parameter Days Ago and enter Min 0 and Max 18 and enter a value of 2.0 for a Pass. This will add 2 points if a horse has raced in last 18 days. By not entering a number under the L# field, this rule influences only the nett rating.
Place a tick in the On field next to the parameter Wgt± and enter Min –6.0 and Max 6.0 and enter a value of 1.0 for a Pass which will add 1 point if a horse is not going up or down by more than 6.0kg from last run. By not entering a number under the L# field, this rule influences only the nett rating.
Place a tick in the On field next to the parameter Margin and enter Min –99.0 and Max 3.0 (this covers any last-start winning margin and a beaten margin not exceeding 3 lengths) and enter a value of 2.0 for a Pass which will add 2 points if a horse was a winner or not beaten by more than 3 lengths last start. By not entering a number under the L# field, this rule influences only the nett rating. Last Run Rule 4 Place a tick in the On field next to the parameter FinPos and enter Min 0 and Max 2 and enter a value of 1.0 for a Pass which will add 1 point if a horse finished first or second last start. By not entering a number under the L# field, this rule influences only the nett rating. Last Run Rule 5 Place a tick in the On field next to the parameter Favourite and enter a value of 2.0 for a Pass which will add 2 points if a horse started SP favourite last start. By not entering a number under the L# field, this rule influences only the nett rating. Last Run Rule 6 Place a tick in the On field next to the parameter Same Jockey and enter a value of 2.0 for a Pass which will add 2 points if a horse is to be ridden by the same jockey who rode last start. By not entering a number under the L# field, this rule influences only the nett rating. In this exercise, this will complete the entry of rules, Traffic Lights and Pass/Fail values in Last Run parameters. Now we will enter some rules relating to statistics. Click on the Stats tab next to Last Run, then the Starts sub-tab.
Stats|Starts Rule 1 Place a tick in the On field next to the parameter Career and enter Min 1 and Max 20 and enter a value of 2.0 in the Pass field. This will add 2 points if a horse has had no more than 20 career starts. By not entering a number under the L# field, this rule influences only the nett rating. In this exercise, this will complete the entry of rules, Traffic Lights and Pass/Fail values in Statistics parameters. Now we will enter some rules relating to Ratings. Select the Ratings tab on the top row of tabs, then Value in the second row.
Place a tick in the On field next to the Win% parameter. In the Min field type in 100.0 and in the Max field type in 100.0 and enter 2.0 in the Pass field. This gives a 2 point bonus to horses that have a 100% win strike rate. By not entering a number under the L# field, this rule influences only the nett rating. Ratings|Value Rule 2 Place a tick in the On field next to the Place% parameter. In the Min field type in 60.0 and in the Max field type in 100.0 and enter 6.0 in the Pass field. This is a high value bonus and gives a 6 point bonus to horses that have achieved a place strike rate of 60% to 100%. By not entering a number under the L# field, this rule influences only the nett rating. Ratings|Value Rule 3 Place a tick in the On field next to the M/line parameter. In the Min field type in 0.0 and in the Max field type in 6.0 and enter 4.0 in the pass field. By not entering a number under the L# field, this rule influences only the nett rating. In this exercise, this will complete the entry of rules, Traffic Lights and Pass/Fail values in Ratings|Value parameters. Now we will enter some rules relating to Ratings|Ranks... the most important in this grid. Select the Rank tab to the right of the Value tab.
Ratings|Rank Rule 1 Place a tick in the On field next to the Trakline parameter. Then type 2 in the L# field. This indicates that Horse Traffic Light #2 is to be defined by this Ratings|Rank Rule 1. (Remember, the first was used for Horse Rules 3 and 6 – ‘Weight Carried’ and ‘Age’) Then in the Min field type 0.0 and in the Max field type 5.0 then enter 1.0 in the Pass field. This adds a 1 point bonus for each horse ranked in the Trakline Ratings top 5. Ratings|Rank Rule 2 Place a tick in the On field next to the Formline parameter. Then type 3 in the L# field. This indicates that Horse Traffic Light #3 is to be defined by this Ratings|Rank Rule 2. Then in the Min field type 0.0 and in the Max field type 5.0 then enter 1.0 in the Pass field. This adds a 1 point bonus for each horse ranked in the Formline Ratings top 5. Ratings|Rank Rule 3 Place a tick in the On field next to the Combined parameter. Then type 4 in the L# field. This indicates that Horse Traffic Light #4 is to be defined by this Ratings|Rank Rule 3. Then in the Min field type 0.0 and in the Max field type 5.0 then enter 1.0 in the Pass field. This adds a 1 point bonus for each horse ranked in the Combined Ratings top 5. Please remember that the Combined Ratings are a combination of the values of two or more of the ratings available to you, except for the GTX Ratings. In the default state, these are set at 50% Trakline and 50% Formline, but you can change this to suit your own purposes to any percentage combination of two, or of all the ratings to which you subscribe. You will have GTX and Trakform, and possibly Formline, Trakline, Winform or any personal rating of your own design that you have paid for to have included in your GTX installation. Ratings|Rank Rule 4 Place a tick in the On field next to the Trakform parameter. Then type 5 in the L# field. This indicates that Horse Traffic Light #5 is to be defined by this Ratings|Rank Rule 4. Then in the Min field type 0.0 and in the Max field type 5.0 then enter 1.0 in the Pass field. This adds a 1 point bonus for each horse ranked in the Trakform Ratings top 5. Ratings|Rank Rule 5 If you subscribe to the Winform Ratings, place a tick in the On field next to the Winform parameter. Then type 6 in the L# field. This indicates that Horse Traffic Light #6 is to be defined by this Ratings|Rank Rule 5. Then in the Min field type 0.0 and in the Max field type 5.0 then enter 1.0 in the Pass field. This adds a 1 point bonus for each horse ranked in the Winform Ratings top 5. Ratings|Rank Rule 6 Place a tick in the On field next to the GTX parameter, right at the bottom. Then type 7 in the L# field. This indicates that Horse Traffic Light #7 is to be defined by this Ratings|Rank Rule 6. Then in the Min field type 0.0 and in the Max field type 5.0 then enter 2.0 in the Pass field. This adds a 2 point bonus for each horse ranked in the GTX Ratings top 5. Ratings|Rank Rule 7 Place a tick in the On field next to the Place% parameter. Then type 8 in the L# field. This indicates that Horse Traffic Light #8 is to be defined by this Ratings|Rank Rule 7. Then in the Min field type 0.0 and in the Max field type 5.0 then enter 1.0 in the Pass field. This adds a 1 point bonus for each horse ranked in the Place% top 5. Ratings|Rank Rule 8 Place a tick in the On field next to the API parameter. Then type 9 in the L# field. This indicates that Horse Traffic Light #9 is to be defined by this Ratings|Rank Rule 8. Then in the Min field type 0.0 and in the Max field type 5.0 then enter 1.0 in the Pass field. This adds a 1 point bonus for each horse ranked in the API top 5. API is the Average Prizemoney Index, which is derived from a horse’s career earnings, divided by its number of career starts, divided by 1000. The API gives an indication of the horse’s average earnings per start. Ratings|Rank Rule 9 Place a tick in the On field next to the M/line parameter. Then type 10 in the L# field. This indicates that Horse Traffic Light #10 is to be defined by this Ratings|Rank Rule 9. Then in the Min field type 0.0 and in the Max field type 5.0 then enter 1.0 in the Pass field. This adds a 1 point bonus for each horse ranked in the Morning Line top 5. Ratings|Rank Rule 10 Place a tick in the On field next to the Consistency parameter. Then type 11 in the L# field. This indicates that Horse Traffic Light #11 is to be defined by this Ratings|Rank Rule 10. Then in the Min field type 0.0 and in the Max field type 5.0 then enter 1.0 in the Pass field. This adds a 1 point bonus for each horse ranked in the Consistency Ratings top 5. Consistency is a bonus that is more or less a rating in its own right. This bonus is derived from the proximity to the winner from each horse’s last 10 starts, weighted by race prizemoney. In this exercise, this will complete the entry of rules, Traffic Lights and Pass/Fail values in Ratings|Rank parameters. Now we will enter some rules relating to Ratings|Range. To give an indication about Range:
Ratings|Range Rule 1 Place a tick in the On field next to the Trakline parameter. Then enter -99.0 in the Min field and 1.0 in the Max field, and enter 1.0 in the Pass field. This adds a 1 point bonus if the horse is Trakline top ranked or no more than one rating point from the Trakline top rated. As no number was entered in the L# field, this rule influences only the nett rating. Ratings|Range Rule 2 Place a tick in the On field next to the Formline parameter. Then enter -99.0 in the Min field and 1.0 in the Max field, and enter 1.0 in the Pass field. This adds a 1 point bonus if the horse is Formline top ranked or no more than one rating point from the Formline top rated. As no number was entered in the L# field, this rule influences only the nett rating. Ratings|Range Rule 3 Place a tick in the On field next to the Combined parameter. Then enter -99.0 in the Min field and 1.0 in the Max field, and enter 1.0 in the Pass field. This adds a 1 point bonus if the horse is Combined Ratings top ranked or no more than one rating point from the Combined top rated. As no number was entered in the L# field, this rule influences only the nett rating. Ratings|Range Rule 4 Place a tick in the On field next to the Trakform parameter. Then enter -99.0 in the Min field and 1.0 in the Max field, and enter 1.0 in the Pass field. This adds a 1 point bonus if the horse is Trakform top ranked or no more than one rating point from the Trakform top rated. As no number was entered in the L# field, this rule influences only the nett rating. Ratings|Range Rule 5 If you subscribe to the Winform Ratings, place a tick in the On field next to the Winform parameter. Then enter -99.0 in the Min field and 1.0 in the Max field, and enter 1.0 in the Pass field. This adds a 1 point bonus if the horse is Winform top ranked or no more than one rating point from the Winform top rated. As no number was entered in the L# field, this rule influences only the nett rating. Ratings|Range Rule 6 Place a tick in the On field next to the GTX parameter. Then enter -99.0 in the Min field and 1.0 in the Max field, and enter 1.0 in the Pass field. This adds a 1 point bonus if the horse is GTX top ranked or no more than one rating point from the GTX top rated. As no number was entered in the L# field, this rule influences only the nett rating. That’s all rules entered, now you can make a check of the rules you have entered by clicking the Show Rules button at the bottom of the dialog box and if all of the above rules are entered it should read as follows:
Once you have your grid setup how you want it and you want to load that grid to all races in a date range, make sure that the grid is loaded and locked in the currently viewed race, then on the Menu Bar, click Race>Synchronize/Re-Calculate. In the box that opens, select the traffic grid only option, and the selected dates option, then enter the dates you want. Then click the Traffic button.
That Traffic Lights grid will now be loaded to all races in the selected date range and as a result, the Traffic parameters can be used in the system developer over all those races. If you add or remove a rule in the grid, or you decide you want a different grid loaded to the date range of races, follow the above procedure once again with the relevant grid loaded and locked to the currently viewed race. Changes to Ratings that affect the Traffic Lights Ratings As you may be aware, if you add or remove, or change the weighting of any rating parameters, the new settings are applied and the ratings are calculated as meetings are being imported. If you wanted to apply those changes to historical races, you would use the Race>Synchronize/Re-Calculate function and select the re-calculate option. If any of your rules in the Traffic Lights grid were dependent on that rating you would need to update the TL grid at the same time as you recalculate the rating by selecting the load traffic grid option. You would then select the date range and then click the button/s of the rating/s that were affected by the parameter change, then click the Re-Calc button.
The same applies if, for example, you had switched on a non-default parameter such as Allowance or Jockey penalty in the Field View which would adjust, for example, the Trakform Rating, and you now needed to apply it to all historical races in a date range. You would select the synchronize only option in the Race>Synchronize/Re-Calculate Races box to apply this change to all those races. You would also select the load traffic grid option which would update the Traffic Lights grid with any changes that became necessary if the grid was dependent on the rating altered by the change of status of the parameter.
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