John Wayne: two main numbers and 18 covered pockets.

John Wayne is a roulette strategy built on combining two main numbers with the corner bets around them. You put 10 units on the table and cover 18 of 37 numbers, so a hit arrives on roughly 48.65% of spins. It sounds excellent — except that with this system a hit need not mean a profit. Some numbers bring a small loss, some of the surrounding ones a decent gain, and only the two main numbers a substantial one. That unevenness is exactly what makes it attractive but harder to read.

What is the John Wayne system?

The player picks two main numbers — typically from the middle column, 11 and 26 for example — and adds the neighbouring corner bets around them. The result is a 10-unit spread covering 18 numbers. What makes the system interesting is that a hit does not always mean the same thing: the two main numbers give a large profit, the eight numbers in two corners a smaller one, and the eight numbers in a single corner even a small loss, because the total staked in the spread exceeds the win from that combination.

So at first glance you hit almost half the wheel. But what matters more than the hit itself is the net result once all 10 staked units are counted — and over time that comes out negative.

Rules and building the spread

The procedure is simple. You bet one unit straight up on 11 and on 26. Then you add four corner bets around the eleven (7-8-10-11, 8-9-11-12, 10-11-13-14, 11-12-14-15) and four around the twenty-six (22-23-25-26, 23-24-26-27, 25-26-28-29, 26-27-29-30). That puts 10 units on the table, covering the numbers 7–15 and 22–30.

The result depends on which number lands. A main number hits the straight-up bet and all four corners at once. A number in the middle of a band lies in two corners, a number at its edge in only one. And 19 numbers — the zero included — hit nothing at all.

What does the house edge do to this?

The house edge means the expected value of every individual bet is negative for the player: roughly 2.70% on European roulette, 5.26% on American. John Wayne assembles ten such bets — and the sum of ten negative expectations cannot be positive. Which is why the average works out at exactly −10/37 units per spin, or 2.70% of the 10 units staked.

Broad coverage only changes the shape of the volatility: more small results, fewer extremes than betting a single number. But the average stays the same as if you had staked those 10 units any other way.

What the long-run tests and progressions showed

In the original test the basic flat variant drifted below zero over time. Rising phases appear in the short term, because a main-number hit looks very powerful — +62 units is a striking jump. Over a longer horizon, though, the combination of full losses and less favourable hits prevails.

A classic linear progression after a loss was tested as well: after every losing spin the multiplier on the whole spread goes up by one. It could produce a rising trend, but it also brought the sharp local drawdowns typical of progressive systems — the original test mentions possible drawdowns in the hundreds of thousands, even a million units. The reason is simple: it is not one bet progressing but the whole package of ten at once. You can switch between both variants in the simulator above.

How to read the bankroll chart

A John Wayne chart has the characteristic saw-toothed shape: a long gradual decline broken by sharp jumps upward. Each jump is a main-number hit. If two or three of them fall close together in a short test, the curve looks like a winning strategy — so always run the long test over 25,000 spins as well, where the ratio of outcomes settles towards the average.

The toggle above the chart also shows the bet sizes. For the flat variant it is a straight line; with the progression you will see how quickly 10 units become 50 or 100 a spin — which is exactly the moment the system starts threatening the bankroll.

The biggest risks of the John Wayne system

The biggest risk is the visual appeal of broad coverage. You see 18 covered numbers and the high potential of a main hit, but it is easy to overlook that 8 of those 18 hits are not genuinely profitable, and that full losses still arrive on more than half the spins.

The second risk arises with the progression. Once the whole spread starts growing after a failure, it is not one bet that rises but the entire package. A weaker patch can then inflate the bankroll required, within a few dozen spins, into amounts bearing no relation to the original unit.

What bankroll is “enough”?

For the flat variant the arithmetic is simple: every spin costs 10 units. So a bankroll of 100 units survives only 10 consecutive full losses — and a run of ten spins without a single hit is not rare at all; its probability is roughly 0.1%. A sensible cushion for longer play is therefore hundreds of spreads rather than dozens.

With the progression there is no safe threshold at all. The multiplier grows with every losing spin, and the 10× ceiling means a spread of 100 units on a single spin. The calculator above works out how many full spreads your bankroll really covers.

The verdict: is John Wayne worth it?

John Wayne is interesting mainly as a system to learn from. It shows the difference between the probability of hitting and the actual expected result well: even covering nearly half the wheel, it gains no edge over roulette in the long run. For ordinary play, treat it as a vivid demonstration of how risk is distributed rather than a way to beat the game.

To compare the spread with Martingale, Fibonacci or your own strategy on exactly the same spins, use the Roulette system tester.