To figure out how the next number is structured into high/low and even/odd, first of all you need to realize that most of the time you only have 4 options to deal with.

Odd Odd Even & High High Low (153 options - 27%)

Odd Odd Even & High Low Low (132 options - 23%)

Odd Even Even and High High Low (132 options - 23%)

Odd Even Even and High Low Low (153 options - 27%)

You have to realize that these 4 options cover 57% of all 1000 numbers. Of these choices, the first and last choices cover 54% together and the second and third only 46%. This information can be very valuable when you make your decision.

What except? Pair or Odds

One of the most commonly used ways to check whether the numbers you pick are odd or even uses three previous draws.

Here's what you do:

Count the odd and even numbers from the previous three draws. Depending on the result, you can make the following assumption:

0 odd 9 even - expected result: 2 odd 1 even or 1 even 2 odd

1 odd 8 even - expected result: 2 odd 1 even or 3 odd

2 odd 7 even - expected result: 2 odd 1 even

3 odd 6 even - expected result: 2 odd 1 even or 1 even 2 odd

4 odd 5 even - expected result: 1 odd 2 even

5 odd 4 even - expected result: 2 odd 1 even

6 odd 3 even - expected result: 2 odd 1 even or 1 even 2 odd

7 odd 2 even - expected result: 2 even 1 odd

8 odd 1 even - expected result: 1 odd 2 even or 3 even

9 odd 0 even - expected result: 2 odd 1 even or 1 even 2 odd

What except? highs or lows

One of the most commonly used ways to check whether the numbers you pick are high or low uses three previous draws.

Here's what you do:

Count the odd and even numbers from the previous three draws. Depending on the result, you can make the following assumption:

0 high 9 low - expected result: 2 high 1 low or 1 low 2 high

1 high 8 low - expected result: 2 high 1 low or 3 high

2 high 7 low - expected result: 1 high 2 low

3 high 6 low - expected result: 1 high 2 low or 2 low 1 high

4 high 5 low - expected result: 2 high 1 low

5 high 4 low - expected result: 1 high 2 low

6 high 3 low - expected result: 1 high 2 low or 2 low 1 high

7 high 2 low - expected result: 1 low 2 high

8 high 1 low - expected result: 1 high 2 low or 3 low

9 high 0 low - expected result: 2 high 1 low or 1 low 2 high

rule of thumb, but it has been very successful in helping you reduce your numbers for the next draw.