Red and black strategy

Two units on red, one on the second column. That column holds 8 black numbers, so 26 numbers out of 37 lose nothing.

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Last numbers

Balance: 5,000
Last win: 0

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Red, black and zero

Call bets

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numbers out of 37 lose nothing: 26
chance to come out ahead: 48.6%
house edge, as any bet: 2.70%

How the red and black strategy works

Every spin, the same bet: 2 units on red and 1 unit on the second column (2, 5, 8… 35). The column pays 2 to 1 and holds 8 black numbers and 4 red ones, the most black numbers of the three columns.

A red number of the second column (5, 14, 23, 32): +4 units.
Another red number (14 numbers): +1 unit.
A black number of the second column (8 numbers): 0, you get your 3 units back.
Another black number or zero (11 numbers): −3 units.

What the combination changes

You lose nothing on 26 spins out of 37, 70.3%, and come out ahead on 18, 48.6%. Over the 37 numbers the gains add up to 30 units and the losses to 33: a loss of 3 units per 37 spins, 2.70% of the 3 units bet, like any bet on the table.

There are several systems called red and black; this one mixes a colour and a column. In the tester, with 1,000 to start, 5 per unit and 100 spins, 35% of sessions end in profit and the average session loses 41.

Test it on 2,000 sessions

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sessions end in profit: –
sessions run out of money: –
median session: –
worst session: –
best session: –
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.