Labouchère strategy

A list of numbers decides every bet. Win and you cross out two of them, lose and you add one. Clear the list and you have won its total.

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Last numbers

Balance
5,000
Last win
0

Right-click or long-press a bet to remove it.

Bet0

Red, black and zero

Call bets

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units won per cleared list (1-2-3-4)
10
numbers crossed out per win
2
number added per loss
1

How the Labouchère works

Write a list, here 1-2-3-4. Bet the sum of the first and last numbers: 5 units on an even-money chance. If you win, cross both out and bet the new first plus last. If you lose, add the amount you lost at the end of the list.

When the list is empty you have won its total, 10 units, and you start again. Since a win removes two numbers and a loss adds only one, you can clear a list while losing more spins than you win.

The risk

During a long losing phase, the list grows and so do the bets, fast. The tester shows it clearly: with 1,000 to start, a 5 base bet and 100 spins, many sessions end up but a large share run dry. Compare it with Fibonacci on the same settings.

Test it on 2,000 sessions

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sessions end in profit
–
sessions run out of money
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median session
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worst session
–
best session
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sessions hit the table maximum
One session, spin by spin

Every session is played with the same random draw as the table above. Nothing here is an estimate.

Labouchère strategy: questions

Can I choose another list?

Yes. A longer list or bigger numbers raise the target of each cycle and the bets that go with it. The page uses 1-2-3-4, the most common one.

What is the Labouchère also called?

The cancellation system, or split martingale.

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