Simulates European roulette numbers 0–36 and finds the longest red,
black, and non-red streaks.
Longest red streak-
Longest black streak-
Longest black/green streak-
Longest red/green streak-
Longest streak details
Type
Length
Starts at spin
Ends at spin
Outcome timeline
Red = red number, black = black number, green = zero.
Using a Martingale (double-your-bet-after-each-loss) progression, this
shows how many consecutive losses your table limits let you ride out —
and how likely such a losing streak is.
Doubling levels (min → max)-
Losing streak you can recover from-
Losing streak that busts you-
Chance of one bust streak-
Odds of bust streak-
Chance of busting this session-
Progression breakdown
Each row is the next bet you place after a loss. "Total at risk" is
everything wagered up to and including that spin; winning any spin nets
you one minimum bet.
After loss #
Bet this spin
Total at risk
Net if this spin wins
Chance of reaching here
Practice basic strategy: you get a fresh two-card hand against a
dealer upcard. Pick the correct move — the trainer checks it against
the strategy table and tracks your accuracy.
Cleared-
Still in the queue-
Being repeated-
Answers still needed-
Every cell of the strategy table is asked once. Get one wrong and
it goes back into the queue until you have answered it correctly
three times in a row. Progress is saved in this browser.
Hands played0
Correct0
Accuracy-
Current streak0
Best streak0
Dealer
You
Strategy table
HHitSTStayD/HDouble, otherwise HitD/STDouble, otherwise StaySPSplitSP/HSplit, otherwise Hit