A discovery ......perhaps.

[pyst7lot]

It is rare for any of the numbers in the new draw to have paired with all the other number of that draw, in its last 7 appearances.
That is how it seems to be for my lottery anyway. My game is 6 from 45 numbers.

With that in mind I have used Excel (wih a macro) to find the last 7 draws for each number.
There are usually 25 to 30 numbers in those 7 draws.
I create a text (CSV) file for all 45 number with the numbers they appeared with in the last 7 draws for each of them

Run the 'match numbers in file' filter set to be Min 0 Max 0 for 6 numbers

The result - a 76% reduction, That's just 24% of the numbers left.

[tdnl46w]

It is rare for any of the numbers in the new draw to have paired with all the other number of that draw, in its last 7 appearances. ...

Is this the same as accepting/rejecting single repeating pairs in 7 draws? If so, then this filter would work.

Statistical Filter
- Winning Numbers: [7 latest draws]
- Matching Tickets: [Accept]
- Analyze: [Pairs]
- Match any of the following
- Occurrence [ > ] [ 0 ]
- Applies [1] to [1] in each ticket.

Run result = 34% Accepted/66% rejected(using a test 6/45 lotto).

[pyst7lot]

I better check that out.
As usual, I'm probably working too hard when I don't need to. lol
Be back soon.

[pyst7lot]

I had a closer look and even tried it but that is something different.
For a start it had a poor back-test result - winning only 50% of last 10 draws.

What I am suggesting is using the last 7 draws that each of the numbers appeared with.
ie, each number has its own set of last 7 draws.

[tdnl46w]

... What I am suggesting is using the last 7 draws that each of the numbers appeared with. ie, each number has its own set of last 7 draws.

So, not pairs made from the latest draw numbers, but pairs made by combining a latest draw number plus all the previous 7 draws numbers?

[pyst7lot]

My Excel sheet finds every draw which each number appears in and lists them in order.
It is the last 7 draws for each number which I expect to NOT find the full set of winning numbers for the nest draw.

[pyst7lot]

Just to put me in my place - this failed in my next draw.
It was doing so well for a few draws.
Unfortunately it's a lot of work to back test it.
However I'm NOT giving up on it yet.

[pyst7lot]

Am now looking at a less ambitious 5 or 6 last appearances instead of 7.
Using 5 gives approx 30% reduction
Using 6 gives approz 50% reduction
Will keep an eye on all of them to see how they go.