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2G'$

Introduction

2G'$

2G'$ is a simple roulette side bet that began a run at the Gold Coast on October 9, 2020. It is played on double-zero roulette only. The bet pays 350 to 1 if the ball lands in either green number (zero or double-zero) twice in a row after the bet is made.

Rules

As stated in the introduction, 2G'$ wins if the ball lands in a green number (zero or double-zero) twice in a row after the bet is made. Any combination of green numbers is allowed (0-0, 0-00, 00-0, or 00-00). It is offered on double-zero roulette only. Wins pay 350 to 1.

Analysis

The following table shows my analysis of 2G'$ at a win of 350 to 1. It shows the probability of winning is (2/38)^2 = 1 in 361 = 0.277%. The lower right corner shows a house edge of 2.77%.

2G'$

Event Pays Probability Return
Win 350 0.002770 0.969529
Loss -1 0.997230 -0.997230
Total   1.000000 -0.027701

It should be emphasized the 2.77% house edge is lower than every other bet in double-zero roulette. If the player tried to accomplish the same thing by betting on the 0-00 combination, which pays 17 to 1, and let all winnings ride one more bet, then he would win 323 to 1.

Gaming literature from the owner of 2G'$ mentions other pays are available from 270 to 350, by tens. The following table shows the house edge of each.

Alternate Pays — Double Zero

Win House Edge
270 24.93%
280 22.16%
290 19.39%
300 16.62%
310 13.85%
320 11.08%
330 8.31%
340 5.54%
350 2.77%

As mentioned above, the player can achieve a win of 323 to 1 by parlaying after a first win. Thus, I would recommend doing that if a win pays 320 or less.

Single Zero Rules

Game literature by the owner of 2G'S also mentions a version for single-zero roulette. The probability of a win in that game is (1/37)*(1/37) = 1 in 1369 = 0.0730%.

The literature says the casino many choose from a win of 1050 to 1350 to 1, by 25's. The following table shows the house edge of each available pay.

Single Zero Version

Win House Edge
1,050 23.23%
1,075 21.40%
1,100 19.58%
1,125 17.75%
1,150 15.92%
1,175 14.10%
1,200 12.27%
1,225 10.45%
1,250 8.62%
1,275 6.79%
1,300 4.97%
1,325 3.14%
1,350 1.31%

By parlaying a first win on zero himself, the player can achieve a win for two consecutive zeros of 1,296 to 1. Thus, I would do that rather than accept a win of 1,275 or less.

The astute reader may wonder why the player should accept a win of 1,300, at a house edge of 4.97%, rather than parlay, when the house edge in single-zero roulette is 2.70%. The answer has to do with the way the house edge is defined. If the player parlays, his expected loss between the two bets is the sum of 1/37 = 0.0270 units from the first bet and an average of (1/37)*36*(1/37) = 0.0263 from the possible second bet for a total of 0.0533 units. Divide that by the one-unit original bet and you have a house edge of 5.33% by parlaying, relative to the initial bet.

Triple Zero Rules

There is also a version of 2G'$ for triple-zero roulette. I do not know what is the most common win, but the following return table shows the odds for a win of 150 to 1. The lower right cell shows a house edge of 10.65%.

Triple Zero — Win pay 150.

Event Pays Probability Return
Win 150 0.005917 0.887574
Loss -1 0.994083 -0.994083
Total 1.000000 -0.106509

There is a list of how much a win pays, according to the choice of casino management. The following list shows the possible wins available and the house edge for each.

Single Zero Version

Win House Edge
130 22.49%
135 19.53%
140 16.57%
145 13.61%
150 10.65%
155 7.69%
160 4.73%
165 1.78%

Taxes

Players should also be mindful that by law the casino will issue a W2-G form for a table game win, not counting the return of the original wager, that is both (1) $600 or more and (2) 300 or more times the amount bet.

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Written by: Michael Shackleford