Backgammon Top 15 Opening Rolls - Backgammon Blog

Backgammon Top 15 Opening Rolls

Backgammon Top 15 Opening Rolls

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2-1

The slotting play 13/11, 6/5 and the splitting play 24/23, 13/11, the two most common plays, seem to be about equal. Nothing else is a serious contender.

Position Analysis

Position #1

Checkers

1 13/11 6/5

0% MWC

-0.003
2 24/23 13/11

0% MWC

-0.005
3 24/21

0% MWC

-0.034
4 13/10

0% MWC

-0.04
5 24/23 24/22

0% MWC

-0.054
6 24/22 6/5

0% MWC

-0.07
7 24/23 6/4

0% MWC

-0.091
8 13/11 8/7

0% MWC

-0.114
9 8/5

0% MWC

-0.121
10 24/23 8/6

0% MWC

-0.124

Cube

Backgammon Board: 4HPwATDgc/ABMA:cAkFAAAAAAAA

3-1

8/5, 6/5 is obviously the only play.

Position Analysis

Position #2

Checkers

1 8/5 6/5

51.37% MWC

0.219
2 24/23 13/10

49.93% MWC

-0.011
3 24/20

49.84% MWC

-0.025
4 13/9

49.83% MWC

-0.027
5 13/10 6/5

49.82% MWC

-0.028
6 24/23 24/21

49.76% MWC

-0.039
7 24/21 6/5

49.71% MWC

-0.047
8 24/23 6/3

49.32% MWC

-0.108
9 24/23 8/5

49.32% MWC

-0.109
10 24/21 8/7

49.29% MWC

-0.114

Cube

Backgammon Board: 4HPwATDgc/ABMA:cInlAAAAAAAA

4-1

The splitting play 24/23, 13/9 has come out clearly superior to the slotting play 13/9, 6/5. Probably the reason is that with the builder on the 9 point there are so many good pointing numbers next turn anyway that you don't need the 5 point slotted.

Position Analysis

Position #3

Checkers

1 24/23 13/9

49.98% MWC

-0.003
2 13/9 6/5

49.84% MWC

-0.026
3 24/23 24/20

49.75% MWC

-0.04
4 13/8

49.74% MWC

-0.041
5 24/20 6/5

49.65% MWC

-0.057
6 13/9 8/7

49.22% MWC

-0.124
7 24/20 8/7

49.15% MWC

-0.136
8 24/23 8/4

49.14% MWC

-0.138
9 24/23 6/2

49.08% MWC

-0.147
10 8/4 6/5

48.85% MWC

-0.183

Cube

Backgammon Board: 4HPwATDgc/ABMA:cAnmAAAAAAAA

5-1

The splitting play 24/23, 13/8 has come out a bit better than the slotting play 13/8, 6/5. A third less common alternative, 24/18, came out clearly worse.

Position Analysis

Position #4

Checkers

1 24/23 13/8

50.06% MWC

0.009
2 13/8 6/5

49.91% MWC

-0.014
3 24/18

49.77% MWC

-0.037
4 13/7

49.46% MWC

-0.087
5 24/23 8/3

48.93% MWC

-0.17
6 8/3 6/5

48.65% MWC

-0.215
7 8/2

48.65% MWC

-0.216
8 8/7 8/3

47.8% MWC

-0.351

Cube

Backgammon Board: 4HPwATDgc/ABMA:cInmAAAAAAAA

6-1

The obvious 13/7, 8/7 is correct. Magriel's experiment of 13/7, 6/5 is awful.

Position Analysis

Position #5

Checkers

1 13/7 8/7

50.86% MWC

0.137
2 24/23 24/18

49.75% MWC

-0.04
3 24/23 13/7

49.57% MWC

-0.069
4 13/6

49.46% MWC

-0.086
5 24/18 6/5

49.41% MWC

-0.094
6 13/7 6/5

49.37% MWC

-0.101
7 24/18 8/7

49.18% MWC

-0.132
8 24/23 8/2

48.82% MWC

-0.188
9 8/2 6/5

48.5% MWC

-0.239
10 8/7 8/2

47.53% MWC

-0.394

Cube

Backgammon Board: 4HPwATDgc/ABMA:cAnnAAAAAAAA

3-2

The splitting play 24/21, 13/11 came out a bit better than building with 13/10, 13/11.

Position Analysis

Position #6

Checkers

1 24/21 13/11

50.02% MWC

0.003
2 13/11 13/10

49.97% MWC

-0.004
3 24/22 13/10

49.97% MWC

-0.005
4 24/22 24/21

49.78% MWC

-0.035
5 13/8

49.75% MWC

-0.039
6 13/11 8/5

49.72% MWC

-0.044
7 13/10 6/4

49.63% MWC

-0.06
8 24/21 6/4

49.48% MWC

-0.084
9 24/21 8/6

49.46% MWC

-0.086
10 13/11 6/3

49.38% MWC

-0.098

Cube

Backgammon Board: 4HPwATDgc/ABMA:cInpAAAAAAAA

4-2

8/4, 6/4 of course..

Position Analysis

Position #7

Checkers

1 8/4 6/4

51.01% MWC

0.161
2 24/20 13/11

50.11% MWC

0.017
3 24/22 13/9

50.09% MWC

0.014
4 13/11 13/9

50.07% MWC

0.011
5 24/18

49.82% MWC

-0.029
6 24/22 24/20

49.81% MWC

-0.03
7 13/9 6/4

49.62% MWC

-0.061
8 24/20 6/4

49.54% MWC

-0.074
9 13/7

49.46% MWC

-0.087
10 24/20 8/6

49.44% MWC

-0.089

Cube

Backgammon Board: 4HPwATDgc/ABMA:cAnqAAAAAAAA

5-2

The normal play for years has been 13/11, 13/8. However the newer splitting play, 24/22, 13/8, (shunned because of the crushing 5-5 threat) has come out a bit better. The slotting play of 13/8, 6/4 (which used to be my choice) did not survive the rollouts -- it was clearly inferior.

Position Analysis

Position #8

Checkers

1 24/22 13/8

50.04% MWC

0.007
2 13/11 13/8

50.01% MWC

0.001
3 13/8 6/4

49.71% MWC

-0.046
4 13/6

49.46% MWC

-0.086
5 13/11 8/3

49.1% MWC

-0.144
6 24/22 8/3

48.99% MWC

-0.161
7 8/3 6/4

48.6% MWC

-0.223
8 8/6 8/3

48.11% MWC

-0.302

Cube

Backgammon Board: 4HPwATDgc/ABMA:cInqAAAAAAAA

6-2

The splitting play of 24/18, 13/11 comes out fairly clearly superior. Running with 24/16 is 2nd, but the run isn't far enough. Slotting with 13/5 (a common choice several years ago) was definitely in third place.

Position Analysis

Position #9

Checkers

1 24/18 13/11

50.1% MWC

0.017
2 24/16

49.9% MWC

-0.016
3 13/5

49.84% MWC

-0.026
4 24/22 24/18

49.6% MWC

-0.064
5 13/11 13/7

49.59% MWC

-0.066
6 24/22 13/7

49.51% MWC

-0.079
7 24/18 8/6

49.47% MWC

-0.085
8 24/18 6/4

49.28% MWC

-0.114
9 13/7 6/4

49.14% MWC

-0.137
10 13/7 8/6

48.99% MWC

-0.162

Cube

Backgammon Board: 4HPwATDgc/ABMA:cAnrAAAAAAAA

4-3

The building play of 13/10, 13/9 and the common splitting play of 24/20, 13/10 were just about tied. The alternative split of 24/21, 13/9 was only a little behind.

Position Analysis

Position #10

Checkers

1 13/10 13/9

50.03% MWC

0.005
2 24/21 13/9

50.03% MWC

0.005
3 24/20 13/10

50% MWC

0
4 24/21 24/20

49.91% MWC

-0.014
5 13/9 8/5

49.53% MWC

-0.075
6 13/6

49.46% MWC

-0.086
7 24/20 8/5

49.4% MWC

-0.095
8 13/10 8/4

49.39% MWC

-0.098
9 13/9 6/3

49.36% MWC

-0.102
10 24/21 6/2

49.28% MWC

-0.115

Cube

Backgammon Board: 4HPwATDgc/ABMA:cAnuAAAAAAAA

5-3

The simple 8/3, 6/3 is clearly best. The once common 13/10, 13/8 has been found vastly inferior.

Position Analysis

Position #11

Checkers

1 8/3 6/3

50.53% MWC

0.085
2 24/21 13/8

50.23% MWC

0.036
3 13/10 13/8

49.99% MWC

-0.002
4 24/16

49.92% MWC

-0.013
5 13/5

49.8% MWC

-0.032
6 13/8 6/3

49.49% MWC

-0.082
7 24/21 8/3

49.15% MWC

-0.135
8 13/10 8/3

48.97% MWC

-0.164
9 8/5 8/3

47.99% MWC

-0.322

Cube

Backgammon Board: 4HPwATDgc/ABMA:cInuAAAAAAAA

6-3

The splitting 24/18, 13/10 comes out best, but the running play of 24/15 is not too far behind.

Position Analysis

Position #12

Checkers

1 24/18 13/10

50.07% MWC

0.011
2 24/15

49.96% MWC

-0.007
3 24/21 13/7

49.74% MWC

-0.042
4 24/21 24/18

49.61% MWC

-0.062
5 13/4

49.63% MWC

-0.059
6 13/10 13/7

49.45% MWC

-0.088
7 24/18 6/3

49.19% MWC

-0.13
8 24/18 8/5

49.17% MWC

-0.132
9 13/7 8/5

49.05% MWC

-0.152
10 24/21 8/2

48.97% MWC

-0.164

Cube

Backgammon Board: 4HPwATDgc/ABMA:cAnvAAAAAAAA

5-4

Splitting with 24/20, 13/8 and building with 13/9, 13/8 come out quite close (that builder on the 9 point is powerful), with the split generally a tiny bit better. 24/15 is weaker still.

Position Analysis

Position #13

Checkers

1 24/20 13/8

50.21% MWC

0.034
2 13/9 13/8

50.07% MWC

0.012
3 24/15

49.96% MWC

-0.007
4 13/4

49.63% MWC

-0.059
5 13/8 6/2

49.26% MWC

-0.118
6 13/9 8/3

49.18% MWC

-0.132
7 24/20 8/3

49.07% MWC

-0.149
8 8/3 6/2

48.23% MWC

-0.283
9 8/4 8/3

47.87% MWC

-0.34

Cube

Backgammon Board: 4HPwATDgc/ABMA:cInyAAAAAAAA

6-4

Both running with 24/14 and splitting with 24/18, 13/9 are about equal. However the once laughed at 8/2, 6/2 has reared its head as a serious contender and comes out about equal with the other choices -- nice play to try if you get familiar with it, since your opponent probably won't be.

Position Analysis

Position #14

Checkers

1 24/18 13/9

50.08% MWC

0.012
2 8/2 6/2

50.07% MWC

0.012
3 24/14

50.02% MWC

0.004
4 24/20 13/7

49.69% MWC

-0.05
5 24/20 24/18

49.58% MWC

-0.067
6 13/9 13/7

49.49% MWC

-0.081
7 13/3

49.4% MWC

-0.096
8 24/18 6/2

49.18% MWC

-0.13
9 24/18 8/4

49.08% MWC

-0.147
10 24/20 8/2

49.01% MWC

-0.158

Cube

Backgammon Board: 4HPwATDgc/ABMA:cAnzAAAAAAAA

6-5

The simple 24/13 is clearly better than any other possibilities.

Position Analysis

Position #15

Checkers

1 24/13

50.54% MWC

0.087
2 24/18 13/8

50.23% MWC

0.036
3 13/8 13/7

49.6% MWC

-0.064
4 13/2

49.18% MWC

-0.13
5 24/18 8/3

48.98% MWC

-0.162
6 13/7 8/3

48.63% MWC

-0.219
7 8/3 8/2

47.52% MWC

-0.396

Cube

Backgammon Board: 4HPwATDgc/ABMA:cAn3AAAAAAAA
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