Position 7, page 68
From The Backgammon Book, by Oswald Jacoby and John R. Crawford

White to play 1-1.

Make your bar and five points. This is just about as powerful a move as the one we recommend for double 3, for the same reason: blocking your opponent’s back men. You immediately establish a three-point consecutive block, and need only a 5 on your next roll to establish a four-point block (by moving a man from black twelve point to your own eight point).

8/7(2), 6/5(2)
Rollout 
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Tom Keith 2013 
Money play
Centered cube
White rolls 1-1

1296 games with VR
Checker play: 3-ply
Cube play: XG Roller
XGID=-b----E-C---eE---c-e----B-:0:0:1:11:0:0:0:0

1-1: Game BG   Equity
1 8/7(2), 6/5(2) W
L
.5829
.4171
.1844
.1110
.0085
.0056
+0.3659 x  *
2 24/22, 6/5(2) W
L
.5720
.4280
.1684
.1085
.0082
.0045
+0.3047 (0.0612) 
3 24/23, 6/5(3) W
L
.5628
.4372
.1665
.1130
.0079
.0046
+0.2783 (0.0876) 

Previous Position
No. 6, page 67
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No. 8, page 68

List of Positions from The Backgammon Book

The Backgammon Book (1970), by Oswald Jacoby and John R. Crawford

Backgammon Galore : Books