Book of Keno is a keno variant by Evoplay Entertainment, a software company that makes games for Internet casinos. It works like regular keno, except there are 36 balls instead of 80.
Rules
The following table shows the pay table for 1 to 10 picks in Book of Keno.
Pay Table
Catch
Pick 1
Pick 2
Pick 3
Pick 4
Pick 5
Pick 6
Pick 7
Pick 8
Pick 9
Pick 10
0
0
0
0
0
0
0
0
0
0
0
1
3.46
1.5
1
0.5
0
0
0
0
0
0
2
4.78
2.3
1.8
1.1
0.5
0.2
0
0
0
3
7.6
4.1
3.8
2.9
2.3
1.4
1
1
4
21
14
7.3
4.2
3
2.1
1.5
5
35
18
10
10
6.2
3.2
6
55
31
28
17
10
7
60
40
25
25
8
70
55
40
9
85
75
10
100
Analysis
The following table shows the number of winning combinations for all possible number of catches for 1 to 10 picks in Book of Keno.
Combinations Table
Catch
Pick 1
Pick 2
Pick 3
Pick 4
Pick 5
Pick 6
Pick 7
Pick 8
Pick 9
Pick 10
0
26
325
2,600
14,950
65,780
230,230
657,800
1,562,275
3,124,550
5,311,735
1
10
260
3,250
26,000
149,500
657,800
2,302,300
6,578,000
15,622,750
31,245,500
2
45
1,170
14,625
117,000
672,750
2,960,100
10,360,350
29,601,000
70,302,375
3
120
3,120
39,000
312,000
1,794,000
7,893,600
27,627,600
78,936,000
4
210
5,460
68,250
546,000
3,139,500
13,813,800
48,348,300
5
252
6,552
81,900
655,200
3,767,400
16,576,560
6
210
5,460
68,250
546,000
3,139,500
7
120
3,120
39,000
312,000
8
45
1,170
14,625
9
10
260
10
1
Total
36
630
7,140
58,905
376,992
1,947,792
8,347,680
30,260,340
94,143,280
254,186,856
The following table shows the probability for all possible number of catches for 1 to 10 picks in Book of Keno.
Probability Table
Catch
Pick 1
Pick 2
Pick 3
Pick 4
Pick 5
Pick 6
Pick 7
Pick 8
Pick 9
Pick 10
0
0.722222
0.515873
0.364146
0.253798
0.174486
0.118201
0.078800
0.051628
0.033189
0.020897
1
0.277778
0.412698
0.455182
0.441389
0.396560
0.337716
0.275801
0.217380
0.165947
0.122923
2
0.071429
0.163866
0.248281
0.310351
0.345391
0.354602
0.342374
0.314425
0.276578
3
0.016807
0.052967
0.103450
0.160181
0.214910
0.260856
0.293463
0.310543
4
0.003565
0.014483
0.035040
0.065407
0.103750
0.146732
0.190208
5
0.000668
0.003364
0.009811
0.021652
0.040018
0.065214
6
0.000108
0.000654
0.002255
0.005800
0.012351
7
0.000014
0.000103
0.000414
0.001227
8
0.000001
0.000012
0.000058
9
0.000000
0.000001
10
0.000000
Total
1.000000
1.000000
1.000000
1.000000
1.000000
1.000000
1.000000
1.000000
1.000000
1.000000
The following table shows the return table for 1 to 10 picks in Book of Keno. The bottom row shows the total return for all possible number of picks.
Return Table
Catch
Pick 1
Pick 2
Pick 3
Pick 4
Pick 5
Pick 6
Pick 7
Pick 8
Pick 9
Pick 10
0
0.000000
0.000000
0.000000
0.000000
0.000000
0.000000
0.000000
0.000000
0.000000
0.000000
1
0.961111
0.619048
0.455182
0.220694
0.000000
0.000000
0.000000
0.000000
0.000000
0.000000
2
0.341429
0.376891
0.446906
0.341387
0.172696
0.070920
0.000000
0.000000
0.000000
3
0.127731
0.217163
0.393112
0.464526
0.494293
0.365199
0.293463
0.310543
4
0.074866
0.202763
0.255790
0.274711
0.311249
0.308136
0.285312
5
0.023396
0.060549
0.098111
0.216521
0.248110
0.208685
6
0.005930
0.020276
0.063152
0.098594
0.123512
7
0.000863
0.004124
0.010357
0.030686
8
0.000104
0.000684
0.002301
9
0.000009
0.000077
10
0.000000
Total
0.961111
0.960476
0.959804
0.959630
0.960657
0.959490
0.959174
0.960349
0.959353
0.961116
The following table summarizes the expected return for all number of picks. The greatest return is 96.11% for both the pick 1 and pick 10.
