Calculotto & Workspace
Free

Tips & wheeling mini-guide

Understand what a mathematical closure (fechamento) does before you spend a credit.

Your first wheel in 4 steps
1

Pick a lottery and select your pool (or hit Quick Pick).

2

Choose a guarantee level and review the credit cost.

3

Generate, then save the matrix with a clear name.

4

After the draw, check your hits in the Game Checker.

What is a fechamento?

A fechamento (wheel) starts from a pool of numbers you believe in — say 12 numbers instead of the 6 a ticket allows. Playing every possible combination of those 12 would cost a fortune, so the engine picks a much smaller set of games that still spreads your pool evenly. You trade a little certainty for a much lower ticket cost.

What the guarantee level means

A guarantee of 4 means: if the draw contains at least 4 of your pool numbers, at least one of your games is mathematically certain to show those 4 together. Higher guarantees cover more scenarios but need more games — and more credits.

Choosing your pool

Bigger pools raise your chance of catching drawn numbers but grow the wheel fast. A good starting point is your ticket size plus 4 to 6 extra numbers, then adjust with the cost preview in the generator.

Behavioral filters

Filters remove combinations that almost never appear in real draws: all-odd or all-even games, long consecutive runs and extreme sums. They shrink your wheel without hurting realistic coverage.

Credits and cost

Each generation costs credits based on how many combinations it produces: up to 50 combos = 5 credits, 51–200 = 15, above 200 = 30 plus 1 per extra 100. The generator always shows the cost and your balance before you confirm.

After the draw

Save your wheel, then open the Game Checker, paste the drawn numbers and instantly see how many hits each game made and your best result.

Straight answers

Does a wheel guarantee a prize?

No. It only guarantees a coverage pattern IF the draw falls inside your chosen pool. Lotteries stay random.

Is a bigger wheel always better?

No. Cost grows much faster than coverage. Most players get the best balance from a moderate pool with a 4-hit guarantee.

Can I reuse a saved matrix?

Yes. Saved Games keeps every matrix — reload it into the generator or send it straight to the checker.

Ready to try it?

Open the generator and build your first reduced matrix in under a minute.

Open the generator