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Forecasts & Tricasts

2. Forecast Doubles

3. Forecasts Trebles

4. Tricasts

5. Combination Tricasts

1. Forecasts

It's hard enough to select a winner so why make it more difficult and try find the second as well?
Consider that in every 6 runner race there are 30 possible forecasts:
1-2, 2-1, 1-3, 3-1, 1-4, 4-1, 1-5, 5-1, 1-6, 6-1, 2-3, 3-2, 2-4, 4-2, 2-5, 5-2, 2-6, 6-2, 3-4, 4-3,
3-5, 5-3, 3-6, 6-3, 4-5, 5-4, 4-6, 6-4, 5-6, & 6-5.
So although there are only 6 numbers you are up against a 29/1 chance.

The more runners in the race, the more you are up against it:

8 runners = 56 possible forecasts = a 55/1 chance

12 runners = 132 possible forecasts = a 131/1 chance

16 runners = 240 possible forecasts = a 239/1 chance

20 runners = 380 possible forecasts = a 379/1 chance, etc.

To calculate the number of possible forecasts in a race, take the number of runners and multiply the number of doubles in that number by 2. A 6 runner race would give 15 doubles in 6 selections, so it's 15 x 2 = 30. As each double e.g. 1-2 could finish either way round, 1-2 or 2-1

2. Forecast Doubles

A bookies delight! A £1 straight forecast double 1-2 in two 6 runner races has a ghastly 899/1
chance of being correct. This is because we have already established that in a 6 runner race there
are 30 possible forecasts, so in 2 races there 30 possible forecast outcomes in each race, so the odds
of a succesful double are 30 x 30 = 900, which is 899/1.
The 1-2 and 1-2 £1 double is just one of those 900 possible outcomes.
Obviously the more runners in each race then the higher the odds against having a correct
double.
3. Forecast Trebles

We have established above that there are 30 possible forecast outcomes in a 6 runner race.
Therefore a £1 straight forecast treble 1-2 in three 6 runner races has a nightmarish 26,999/1
chance of being correct. This represents 30 x 30 x 30 = 27,000 possible forecast treble outcomes.
For those of you still not discouraged see this page Forecasts Table for the number of forecast doubles and trebles in various races

4. Tricasts

Another frightening bet! It's difficult to pick a winner, a forecast means you also have to find the second
why make it even harder and go for the third as well? In a 6 runner race there 120 possible tricast outcomes.
This is because in 6 selections there are a possible 20 trebles but each treble can finish in 6 different ways.
For example just one of the trebles,
1-2-3 can finish as either 1-2-3, 1-3-2, 2-1-3, 2-3-1, 3-1-2 or 3-2-1 to make 6 possible tricast outcomes.
Therefore the number of possible Tricasts in a race is the number of trebles in selections/runners
multiplied by 6Therefore a £1 Tricast 1-2-3 in a 6 runner race has a 119/1 chance of being correct.

5. Combination Tricasts

A £1 Combination Tricast 1-2-3 costs £6 as you are placing separate bets on the six possible tricasts within
those selections, 1-2-3 can finish as either 1-2-3, 1-3-2, 2-1-3, 2-3-1, 3-1-2 or 3-2-1 as detailed above.
Therefore a £1 Tricast 1-2-3 in a 6 runner race has a 19/1 chance of being correct. This represents the
120 possible outcomes divided by the six covered.
For those of you still not discouraged see this page
Tricasts Table
for the number of Tricasts in various numbers of selections.
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