Norman Leigh And The Reverse Labouchere System


My main profession these days is as a filmmaker
and while I remain fully committed to beating scams, collecting cons and
protecting the public, I am always working on funding that next movie,
documentary or series.

One story that I would love to tell has been
filmed before but in my opinion remains an untapped source for a brilliantly
funny, suspenseful adventure featuring a gang of English middle-class misfits
breaking the bank of an iconic European casino.

This is what they did, how they did it, and why
it hasn’t happened since.

Meet Norman Leigh – The Mastermind

In my version of this story, Norman Leigh would
be straight out of an Ealing comedy casting book – a mixture of Alistair Sims,
Sir John Mills and Bill Nighy.

An English gentleman with a plan to beat casinos
on the continent with a seemingly ingenious twist on an old betting strategy.

To realize this plan, Norman placed an ad in the
newspaper that attracted the interest of a dozen characters who could each be
found in a usual suspects line-up of 1960s English society.

This included an undercover policeman who believed
the scheme might be some kind of con or a fraud against the gambling
establishment but soon discovered that Norman’s idea was perfectly legal and
seemingly, a sure-fire way to beat the casinos at their own game.

He was so convinced that he took a leave of
absence and joined Norman’s team!

The game was roulette, and the system was the “Reverse Labouchere.”

It’s Pronounced “La-Boo-Share”

First, let’s start with the Labouchere system that is relatively simple to understand but do bear with me as it can seem more complicated than it actually is.

This type of system is designed for (almost)
50/50 type bets like red/black on the roulette table.

The player starts with a series of numbers which
can be as short as three digits, but longer strings can be used with some
gamblers insisting certain combinations offer better odds (I would advise you
to ignore this because – ultimately – the flaws in such systems remain the

So let’s say you write down a string of digits
as follows: 1-2-3.

The sum of these digits is 6, and that’s the
amount you should expect to win if this plays out in your favor.

To play, you must always bet the sum of the
first and last digits
in your string.

In this case it is 1 + 3, which means the first
bet is $4.

The rules are that if you LOSE that bet you add
the amount of the bet to the end of your string of digits, which would become

This would continue for each loss, the next bet
being $5 (1 + 4 – the sum of first and last digit) adding the number 5 to the
end of your string should you lose.

But what if you win?

When you win, you delete the first and last
numbers and then add the first and last remaining numbers of your string
of digits.

Let’s say you win the third bet, which was a $6
bet since 1 and 5 were the first and last digits after losing the second bet.

You now delete the first and last digits (the 1
and the 5) leaving you with 2-3-4 as your remaining string.

And so it continues until your string of numbers
is erased by enough wins (if you get down to just one digit remaining of your
string – that’s the amount you bet).

In the end, if you erase all your digits, your
profit will equal the sum of the digits in your initial string.

I told you it would seem complicated but play
with this for a few imaginary bets (maybe toss a coin and bet heads and tails
with this system) and you’ll see that it’s really quite simple.

So long as you don’t hit a long series of
losses, you can absolutely make your target amount (the sum of your initial
string of numbers) providing you have deep enough pockets to increase your bets
whenever you lose.

In this sense, it’s really just a version of the Martingale and can be both fun to play and deceptively effective over time.

But, just like the Martingale, it’s primarily a
betting strategy; not a playing system that offers any kind of advantage
against the house.

Playing The Reverse

Norman Leigh’s preferred version was called the
‘Reverse Labouchere’ because it increased bets when the player won and
decreased bets when they lost.

As with the Labouchere, the Reverse requires
players to write down or mentally track a string of numbers.

Like the Labouchere, bets are decided by adding
the first and last digits of the string but here you will add your winning
to the end and delete the first and last digits when you lose

– the exact opposite of the method dictated by the Labouchere.

So if you lose the first two bets, the string is
deleted and you either begin again with a fresh string (in our example, 1-2-3)
or leave the table.

If you win, however, you add the winning bet to
the end (1-2-3-4) and then bet again by adding the first and last digits ($5).

Continue until you reach a pre-determined profit,
at which point you either retire from the table or start a fresh string (1-2-3)
and pocket your winnings from that round of play.

In effect, it is a money management system
similar to that of gambling legend Nick The Greek whose book “Gambling Secrets
of Nick The Greek” amounted to “bet more when you’re winning and less when
you’re losing”!

The 13 players who descended upon Nice, France,
and Monte Carlo, Monaco, were also able to increase the amount being risked,
since Norman’s bankroll was distributed between the
players who were essentially hiding in plain sight.

Monte Carlo Casino
Monte Carlo Casino. [Image: Nathan Hughes Hamilton/Flickr]

And did it work?

Did Norman and his 12 cohorts defeat the

You bet they did!

Norman and his dapper dozen broke the bank at
Monte Carlo and Norman was quickly blacklisted, despite the casino having no
idea what he was doing to beat their games.

If they had known – and had they been smart –
they should have given Norman and his crew free rooms for a fortnight and
watched them blow back every penny that they’d previously won thanks to pure

Here’s the rub:

The Reverse Labouchere doesn’t change the odds,
it only limits your losses.

But if you keep playing, those losses will add
up and while the same system increases returns during a winning streak the only
way to benefit from that is to stop playing, which they did – only thanks to
the casinos shutting them all down!

What About That Movie?

Other than a dry TV Mini-series, the adventures of Norman Leigh are best presented in his book “Thirteen Against The Bank” and I’d rather you read that than spoil all the details for you here.

It would make a fantastic comedy adventure for
anyone who owns the rights and can raise the budget; there’s a fantastic story
to be told but there’s one factor many neglect to mention in the telling: That
it’s never been repeated.

Martingale-type systems chase ever-increasing
losses until stopped by the table limit or a player’s limited bankroll.

Such losses can be a lot more than players might
imagine thanks to the nature of random outcomes and the fact that gambling
devices have no memory, so it is entirely possible for a 50/50 outcome not to
occur after dozens of fair rolls, spins or turns.

The same can be true for a series of wins and in
the case of Norman Leigh and his assault on Monte Carlo, he was simply the
benefactor of a terrific run of luck that was halted before the tide could turn
the other way as it always, always does.

That being said, in my movie, the ending would
be better…

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