I played 18/13 16/10 OTB. The rollout says that White's structure is poor enough that Blue can try for more with 16/5. Improve White's structure and Blue can't afford such shenanigans—see variant.

              
 
              
 | | White is Player 2
score: 0 pip: 122 | | Unlimited Game | pip: 111 score: 0
Blue is Player 1 | |
| XGID=--b-CBCCB---b---AcAb-b-bb-:1:-1:1:65:0:0:0:0:10 |
| Blue to play 65 |
| 1. | Rollout1 | 16/5 | eq: +0.707 |
| Player: Opponent: | 82.84% (G:11.19% B:0.39%) 17.16% (G:1.16% B:0.01%) | Conf.: ± 0.005 (+0.701...+0.712) - [100.0%] Duration: 6 minutes 10 seconds |
|
| 2. | Rollout1 | 18/7 | eq: +0.682 (-0.024) |
| Player: Opponent: | 82.32% (G:10.17% B:0.38%) 17.68% (G:1.39% B:0.02%) | Conf.: ± 0.005 (+0.677...+0.687) - [0.0%] Duration: 6 minutes 04 seconds |
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| 3. | Rollout1 | 18/13 16/10 | eq: +0.675 (-0.031) |
| Player: Opponent: | 82.89% (G:8.17% B:0.24%) 17.11% (G:1.23% B:0.01%) | Conf.: ± 0.005 (+0.670...+0.680) - [0.0%] Duration: 5 minutes 48 seconds |
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1 1296 Games rolled with Variance Reduction. Dice Seed: 271828 Moves: 3-ply, cube decisions: XG Roller
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eXtreme Gammon Version: 2.19.208.pre-release
Variant:

              
 
              
 | | White is Player 2
score: 0 pip: 126 | | Unlimited Game | pip: 111 score: 0
Blue is Player 1 | |
| XGID=--b-CBCCB---b---AcAb-bbb--:1:-1:1:65:0:0:0:0:10 |
| Blue to play 65 |
| 1. | Rollout1 | 18/13 16/10 | eq: +0.635 |
| Player: Opponent: | 81.01% (G:8.82% B:0.34%) 18.99% (G:1.96% B:0.05%) | Conf.: ± 0.006 (+0.629...+0.641) - [100.0%] Duration: 7 minutes 14 seconds |
|
| 2. | Rollout1 | 18/7 | eq: +0.610 (-0.025) |
| Player: Opponent: | 79.43% (G:10.68% B:0.42%) 20.57% (G:2.31% B:0.05%) | Conf.: ± 0.006 (+0.604...+0.616) - [0.0%] Duration: 6 minutes 35 seconds |
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| 3. | Rollout1 | 16/5 | eq: +0.579 (-0.056) |
| Player: Opponent: | 77.24% (G:13.42% B:0.66%) 22.76% (G:2.78% B:0.08%) | Conf.: ± 0.006 (+0.572...+0.585) - [0.0%] Duration: 6 minutes 44 seconds |
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| |
1 1296 Games rolled with Variance Reduction. Dice Seed: 271828 Moves: 3-ply, cube decisions: XG Roller
|
eXtreme Gammon Version: 2.19.208.pre-release