Blue doesn't have that many ways to make an advanced anchor, so seizing the current opportunity is a good idea. See the variant below for contrast.

              
 
              
 | | White is Player 2
score: 0 pip: 156 | | Unlimited Game | pip: 171 score: 0
Blue is Player 1 | |
| XGID=-a--a-E-CA--cC--bc-e-A--B-:0:0:1:53:0:0:0:0:10 |
| Blue to play 53 |
| 1. | Rollout1 | 24/21 9/4* | eq: -0.231 |
| Player: Opponent: | 44.32% (G:12.05% B:0.40%) 55.68% (G:15.12% B:0.67%) | Conf.: ± 0.016 (-0.247...-0.215) - [100.0%] Duration: 9 minutes 00 second |
|
| 2. | Rollout1 | 9/4* 4/1* | eq: -0.335 (-0.104) |
| Player: Opponent: | 42.12% (G:12.08% B:0.33%) 57.88% (G:17.09% B:1.14%) | Conf.: ± 0.014 (-0.349...-0.321) - [0.0%] Duration: 7 minutes 50 seconds |
|
| |
1 1296 Games rolled with Variance Reduction. Dice Seed: 62908879 Moves: 3-ply, cube decisions: XG Roller
|
eXtreme Gammon Version: 2.19.211.pre-release
Variant:

              
 
              
 | | White is Player 2
score: 0 pip: 156 | | Unlimited Game | pip: 167 score: 0
Blue is Player 1 | |
| XGID=-a--a-E-CA--cC--bc-eAA--A-:0:0:1:53:0:0:0:0:10 |
| Blue to play 53 |
| 1. | Rollout1 | 9/4* 4/1* | eq: -0.225 |
| Player: Opponent: | 44.30% (G:12.14% B:0.32%) 55.70% (G:14.08% B:0.75%) | Conf.: ± 0.012 (-0.237...-0.213) - [54.4%] Duration: 15 minutes 28 seconds |
|
| 2. | Rollout1 | 24/21 9/4* | eq: -0.226 (-0.001) |
| Player: Opponent: | 44.03% (G:11.67% B:0.46%) 55.97% (G:13.98% B:0.56%) | Conf.: ± 0.011 (-0.237...-0.215) - [45.6%] Duration: 18 minutes 00 second |
|
| |
1 2592 Games rolled with Variance Reduction. Dice Seed: 62908879 Moves: 3-ply, cube decisions: XG Roller
|
eXtreme Gammon Version: 2.19.211.pre-release