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Last Updated: August 6, 2019

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Keno by TvBet

Introduction

This page describes the keno game offered by TvBet, a provider of live dealer games to Internet casinos. The reason I created a special page for their keno game, when I already have a page on keno, is they added quite a few side bets.

Rules

As in standard keno, 20 balls will be drawn, without replacement, from a hopper containing balls numbered 1 to 80. Depending on the bet the player makes, he may be asked to picks his own numbers before the draw. TvBet has one game every three minutes.

The pays listed on this page are those offered live, as opposed to those listed in the help file.

keno img 2

Standard Keno

The following table shows the pay table, hit frequency, and expected return for picking 1 to 10 numbers. The greatest return is on the pick-4 at 94.82%.

Standard Keno

Pick Pay Table Hit Freq. Return
1 0,3 25.00% 75.00%
2 0,1,9 43.99% 92.09%
3 0,0,1,45 15.26% 76.31%
4 0,0,2,6,86 25.89% 94.82%
5 0,0,1,4,20,150 36.71% 94.48%
6 0,0,0,2,11,100,500 16.16% 94.76%
7 0,0,0,1,4,24,270,1500 23.66% 82.53%
8 0,0,0,0,2,11,82,1200,5000 10.23% 77.27%
9 0,0,0,0,1,5,31,300,5600,10000 15.31% 82.17%
10 0,0,0,0,0,3,14,100,1200,26000,100000 6.47% 80.90%

Catch All

One type of bet requires every ball selected by the player to be drawn. The following table shows what a winning bet pays, according to how many numbers the player picks, from 1 to 10.

Catch All

Pick Pays Probability Return
1 3.8 0.250000 0.950000
2 15 0.060127 0.901899
3 68 0.013875 0.943525
4 310 0.003063 0.949652
5 1,473 0.000645 0.949974
6 7,365 0.000129 0.949974
7 38,930 0.000024 0.949992
8 218,608 0.000004 0.949996
9 500,000 0.000001 0.362138
10 1,000,000 0.000000 0.112212

Catch None

One type of bet requires every ball selected by the player to NOT be drawn. The following table shows what a winning bet pays, according to how many numbers the player picks, from 1 to 10.

Catch None

Pick Pays Probability Return
1 1.267 0.750000 0.950250
2 1.696 0.560127 0.949975
3 2.281 0.416504 0.950046
4 3.081 0.308321 0.949938
5 4.182 0.227184 0.950084
6 5.702 0.166602 0.949963
7 7.814 0.121574 0.949981
8 10 0.088266 0.882662
9 14 0.063748 0.892470
10 20 0.045791 0.915814
keno img 3

Sum of Balls

The player may bet whether the first 5 or all 20 balls will be over or under the average expected for that many picks. The following table shows the bets available. All have a 50% chance of winning and at a win of 1.9, have an expected return of 95%.

Catch None

Bet Pays Probability Return
Total 80 balls under 810.5 1.900 0.500000 0.950000
Total 80 balls over 810.5 1.900 0.500000 0.950000
Total first 5 balls under 202.5 1.900 0.500000 0.950000
Total first 5 balls over 202.5 1.950 0.500000 0.975000

First Ball

The player may bet whether the first ball will be over/under 40.5 and over/under 9.5 (which they describe as being one-digit or not).

First Ball

Bet Pays Probability Return
First/last ball under 40.5 1.900 0.500000 0.950000
First/last ball over 40.5 1.900 0.500000 0.950000
First/last ball odd 1.900 0.500000 0.950000
First/last ball even 1.900 0.500000 0.950000
First/last ball under 9.5 8.444 0.112500 0.949950
First/last ball over 9.5 1.070 0.887500 0.949625

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