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Last 🛡 updated: October 15,
2024
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Spread-Bet Roulette
Introduction
Spread-Bet is a set of side bets in
roulette by Cammegh, a maker of 🛡 gaming equipment, including roulette tables and signs.
The outcome is based on the sum of two electronic spins, as shown 🛡 to the player on the
electronic game display.
Rules
Spread-Bet is a set of seven side bets that can be added
to 🛡 a standard roulette game. Following are the rules.
In addition to the standard
roulette spin, two random outcomes will be drawn 🛡 electronically and displayed to the
player virtually on the scoreboard in the form of two concentric roulette wheels. The
two 🛡 virtual spins will be on the same kind of roulette wheel as the physical spin. In
other words, the same 🛡 number of zeroes will be used. There are seven bets to choose
from, which will win according to the sum 🛡 of the two virtual spins. These betting
spaces will be placed in the area for outside bets. The win of 🛡 the Spread-Bets shall be
based on the sum of the two virtual spins. Both the zero and double-zero shall count 🛡 as
zero for purposes of this sum. The seven different Spread-Bets cover various ranges
from 0 to 72. Different versions 🛡 are available to the casino operator, which are shown
in the analysis section of this page.
Single-Zero Wheel Analysis
The following four
🛡 tables show the four sets of bets available to casino operators for single-zero wheels.
Each table shows the seven bets 🛡 available, what a win pays (on a "to one" basis), the
number of winning combinations, probability of winning, and expected 🛡 return to the
player.
Single-Zero Wheel — Pay Table 1 Bet
Match Pays Combinations Probability Return
0 1200 1 0.000730 -0.122717 1 🛡 to 11 15 77 0.056245 -0.100073 12 to 18 10 112 0.081812
-0.100073 19 to 39 1 618 0.451424 -0.097151 🛡 40 to 50 3 308 0.224982 -0.100073 51 to 70
4 250 0.182615 -0.086925 71 to 72 400 3 0.002191 🛡 -0.121256
Single-Zero Wheel — Pay
Table 2 Bet
Match Pays Combinations Probability Return 0 to 4 80 15 0.010957 -0.112491
5 to 🛡 18 6 175 0.127831 -0.105186 19 to 30 3 306 0.223521 -0.105917 31 to 39 3 312
0.227904 -0.088386 40 🛡 to 50 3 308 0.224982 -0.100073 51 to 69 4 247 0.180424 -0.097882
70 to 72 200 6 0.004383 -0.119065
Single-Zero 🛡 Wheel — Pay Table 3 Bet
Match Pays
Combinations Probability Return 0 or 1 400 3 0.002191 -0.121256 2 to 11 🛡 15 75 0.054785
-0.123448 12 to 18 10 112 0.081812 -0.100073 19 to 33 2 405 0.295836 -0.112491 34 to 🛡 54
1 603 0.440467 -0.119065 55 to 67 7 156 0.113952 -0.088386 68 or 72 80 15 0.010957
-0.112491
Single-Zero Wheel 🛡 — Pay Table 4 Bet
Match Pays Combinations Probability
Return 0 to 2 200 6 0.004383 -0.119065 3 to 7 40 🛡 30 0.021914 -0.101534 8 135 9 0.006574
-0.105917 9 to 25 3 306 0.223521 -0.105917 26 to 44 1 612 🛡 0.447042 -0.105917 45 to 70 2
403 0.294375 -0.116874 71 or 72 400 3 0.002191 -0.121256
Double-Zero Wheel Analysis
The
following five 🛡 tables show the four sets of bets available to casino operators for
double-zero wheels. Each table shows the seven bets 🛡 available, what a win pays (on a
"to one" basis), the number of winning combinations, probability of winning, and
expected 🛡 return to the player.
Double-Zero Wheel — Pay Table 1 Bet
Match Pays
Combinations Probability Return 0 320 4 0.002770 -0.110803 1 🛡 to 11 12 99 0.068560
-0.108726 12 to 18 9 126 0.087258 -0.127424 19 to 39 1 654 0.452909 -0.094183 🛡 40 to 50
2 308 0.213296 -0.360111 51 to 71 10 252 0.174515 0.919668 72 1275 1 0.000693
-0.116343
Double-Zero Wheel 🛡 — Pay Table 2 Bet
Match Pays Combinations Probability
Return 0 to 1 150 8 0.005540 -0.163435 2 to 9 18 🛡 68 0.047091 -0.105263 10 to 25 3 328
0.227147 -0.091413 26 to 45 1 662 0.458449 -0.083102 46 to 57 🛡 4 258 0.178670 -0.106648
58 to 70 10 117 0.081025 -0.108726 71 or 72 400 3 0.002078 -0.166898
Double-Zero Wheel
— 🛡 Pay Table 3 Bet
Match Pays Combinations Probability Return 0 or 1 150 8 0.005540
-0.163435 2 to 9 18 68 🛡 0.047091 -0.105263 10 to 25 3 328 0.227147 -0.091413 26 to 45 1
662 0.458449 -0.083102 46 to 57 4 🛡 258 0.178670 -0.106648 58 to 71 10 119 0.082410
-0.093490 72 1250 1 0.000693 -0.133657
Double-Zero Wheel — Pay Table 4 🛡 Bet
Match Pays
Combinations Probability Return 0 or 1 160 8 0.005540 -0.108033 2 to 9 18 68 0.047091
-0.105263 10 🛡 to 25 3 328 0.227147 -0.091413 26 to 45 1 662 0.458449 -0.083102 46 to 57
4 258 0.178670 -0.106648 🛡 58 to 70 10 117 0.081025 -0.108726 71 or 72 430 3 0.002078
-0.104571
Double-Zero Wheel — Pay Table 5 Bet
Match 🛡 Pays Combinations Probability
Return 0 to 2 100 13 0.009003 -0.090720 3 to 20 4 261 0.180748 -0.096260 21 to 🛡 40 1 642
0.444598 -0.110803 41 to 58 2 423 0.292936 -0.121191 59 to 65 16 77 0.053324 -0.093490
66 🛡 to 70 50 25 0.017313 -0.117036 71 or 72 430 3 0.002078 -0.104571
External
Links
Cammegh — Game description from the game 🛡 distributor.
Official rules — As played
in the UK.
Written by: Michael Shackleford
