Thanks, Mike, for good variants. Here are the rollouts.
  White is Player 2
score: 0 pip: 167  Unlimited Game Jacoby Beaver  pip: 145 score: 0
Blue is Player 1  
XGID=aBaBCAAeDceB:0:0:1:00:0:0:3:0:10 
Blue on roll, cube action? 
Analyzed in Rollout  No double  Double/Take 
Player Winning Chances:  63.04% (G:32.75% B:0.60%)  63.32% (G:34.28% B:0.56%) 
Opponent Winning Chances:  36.96% (G:8.64% B:0.41%)  36.68% (G:8.98% B:0.47%) 
Cubeless Equities  +0.504  +1.040 
Cubeful Equities 
No double:  +0.662 (0.092)  ±0.009 (+0.652..+0.671) 
Double/Take:  +0.753  ±0.014 (+0.740..+0.767) 
Double/Pass:  +1.000 (+0.247) 

Best Cube action: Double / Take 
Rollout details 
2592 Games rolled with Variance Reduction. Dice Seed: 9595161 Moves: 3ply, cube decisions: XG Roller


Double Decision confidence:  100.0% 
Take Decision confidence:  100.0% 
Duration: 13 minutes 56 seconds 
eXtreme Gammon Version: 2.10
  White is Player 2
score: 0 pip: 165  Unlimited Game Jacoby Beaver  pip: 145 score: 0
Blue is Player 1  
XGID=aBBaCAAeDceB:0:0:1:00:0:0:3:0:10 
Blue on roll, cube action? 
Analyzed in Rollout  No double  Double/Take 
Player Winning Chances:  63.92% (G:33.88% B:0.55%)  64.29% (G:35.99% B:0.54%) 
Opponent Winning Chances:  36.08% (G:8.15% B:0.42%)  35.71% (G:8.50% B:0.49%) 
Cubeless Equities  +0.537  +1.123 
Cubeful Equities 
No double:  +0.660 (0.174)  ±0.010 (+0.650..+0.669) 
Double/Take:  +0.834  ±0.015 (+0.819..+0.849) 
Double/Pass:  +1.000 (+0.166) 

Best Cube action: Double / Take 
Rollout details 
2592 Games rolled with Variance Reduction. Dice Seed: 34841930 Moves: 3ply, cube decisions: XG Roller


Double Decision confidence:  100.0% 
Take Decision confidence:  100.0% 
Duration: 12 minutes 15 seconds 
eXtreme Gammon Version: 2.10
  White is Player 2
score: 0 pip: 164  Unlimited Game Jacoby Beaver  pip: 145 score: 0
Blue is Player 1  
XGID=aBBaCAAeDceB:0:0:1:00:0:0:3:0:10 
Blue on roll, cube action? 
Analyzed in Rollout  No double  Double/Take 
Player Winning Chances:  66.32% (G:38.44% B:0.55%)  66.60% (G:40.79% B:0.60%) 
Opponent Winning Chances:  33.68% (G:7.39% B:0.37%)  33.40% (G:7.84% B:0.40%) 
Cubeless Equities  +0.639  +1.327 
Cubeful Equities 
No double:  +0.735 (0.265)  ±0.007 (+0.728..+0.742) 
Double/Take:  +1.058 (+0.058)  ±0.013 (+1.045..+1.071) 
Double/Pass:  +1.000 

Best Cube action: Double / Pass 
Rollout details 
2592 Games rolled with Variance Reduction. Dice Seed: 25201838 Moves: 3ply, cube decisions: XG Roller


Double Decision confidence:  100.0% 
Take Decision confidence:  100.0% 
Duration: 10 minutes 49 seconds 
eXtreme Gammon Version: 2.10
Now, let's add the 10th checker in the zone.
  White is Player 2
score: 0 pip: 167  Unlimited Game Jacoby Beaver  pip: 143 score: 0
Blue is Player 1  
XGID=aBaBCABeCceB:0:0:1:00:0:0:3:0:10 
Blue on roll, cube action? 
Analyzed in Rollout  No double  Double/Take 
Player Winning Chances:  65.00% (G:35.27% B:0.63%)  65.31% (G:37.17% B:0.55%) 
Opponent Winning Chances:  35.00% (G:8.07% B:0.40%)  34.69% (G:8.31% B:0.47%) 
Cubeless Equities  +0.574  +1.191 
Cubeful Equities 
No double:  +0.713 (0.201)  ±0.014 (+0.699..+0.727) 
Double/Take:  +0.914  ±0.021 (+0.893..+0.935) 
Double/Pass:  +1.000 (+0.086) 

Best Cube action: Double / Take 
Rollout details 
1296 Games rolled with Variance Reduction. Dice Seed: 25201838 Moves: 3ply, cube decisions: XG Roller


Double Decision confidence:  100.0% 
Take Decision confidence:  100.0% 
Duration: 6 minutes 17 seconds 
eXtreme Gammon Version: 2.10
  White is Player 2
score: 0 pip: 165  Unlimited Game Jacoby Beaver  pip: 143 score: 0
Blue is Player 1  
XGID=aBBaCABeCceB:0:0:1:00:0:0:3:0:10 
Blue on roll, cube action? 
Analyzed in Rollout  No double  Double/Take 
Player Winning Chances:  65.72% (G:36.07% B:0.56%)  66.25% (G:38.85% B:0.55%) 
Opponent Winning Chances:  34.28% (G:7.66% B:0.37%)  33.75% (G:7.95% B:0.42%) 
Cubeless Equities  +0.600  +1.271 
Cubeful Equities 
No double:  +0.721 (0.279)  ±0.002 (+0.719..+0.723) 
Double/Take:  +1.001 (+0.001)  ±0.003 (+0.998..+1.004) 
Double/Pass:  +1.000 

Best Cube action: Double / Pass 
Rollout details 
46656 Games rolled with Variance Reduction. Dice Seed: 25201838 Moves: 3ply, cube decisions: XG Roller


Double Decision confidence:  100.0% 
Take Decision confidence:  76.0% 
Duration: 3 hours 38 minutes 
eXtreme Gammon Version: 2.10
The last position is a good reference position, I believe.