We don't have enough timing to squat on the ace point, and coming out to the 22pt allows white to safely dump checkers behind our anchor, if needed. So, the middling play of switching to the 23pt anchor is best, but it's still fairly close.
  White is Player 2
score: 0 pip: 120  Unlimited Game Jacoby Beaver  pip: 147 score: 0
Blue is Player 1  
XGID=BBBBBAdBdcbbB:1:1:1:11:0:0:3:0:10 
Blue to play 11 
1.  Rollout^{1}  24/23(2) 9/8(2)  eq: 0.486 
 Player: Opponent:  23.88% (G:3.07% B:0.10%) 76.12% (G:7.05% B:0.24%)  Conf.: ± 0.002 (0.488...0.483)  [100.0%] Duration: 17 minutes 57 seconds 

2.  Rollout^{1}  24/23(2) 11/10 9/8  eq: 0.492 (0.006) 
 Player: Opponent:  23.79% (G:3.10% B:0.10%) 76.21% (G:7.33% B:0.31%)  Conf.: ± 0.002 (0.494...0.490)  [0.0%] Duration: 16 minutes 50 seconds 

3.  Rollout^{2}  24/23(2) 11/9  eq: 0.496 (0.010) 
 Player: Opponent:  23.53% (G:3.00% B:0.10%) 76.47% (G:7.22% B:0.24%)  Conf.: ± 0.003 (0.499...0.492)  [0.0%] Duration: 7 minutes 53 seconds 

4.  Rollout^{3}  24/22(2)  eq: 0.507 (0.021) 
 Player: Opponent:  22.83% (G:1.48% B:0.04%) 77.17% (G:4.11% B:0.11%)  Conf.: ± 0.004 (0.511...0.503)  [0.0%] Duration: 4 minutes 56 seconds 


^{1} 10368 Games rolled with Variance Reduction. Dice Seed: 66195026 Moves: 3ply, cube decisions: XG Roller
^{2} 5184 Games rolled with Variance Reduction. Dice Seed: 66195026 Moves: 3ply, cube decisions: XG Roller
^{3} 2592 Games rolled with Variance Reduction. Dice Seed: 66195026 Moves: 3ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.10
The only exception, as Stick mentioned, is that at GS it's best to upgrade the anchor to reduce our gammon losses.
  White is Player 2
score: 0 pip: 120  1 point match  pip: 147 score: 0
Blue is Player 1  
XGID=BBBBBAdBdcbbB:0:0:1:11:0:0:0:1:10 
Blue to play 11 
1.  Rollout^{1}  24/23(2) 9/8(2)  eq: 0.513 
 Player: Opponent:  24.36% (G:2.89% B:0.32%) 75.64% (G:12.04% B:0.91%)  Conf.: ± 0.004 (0.517...0.508)  [100.0%] Duration: 2 minutes 11 seconds 

2.  Rollout^{1}  24/22 9/8(2)  eq: 0.531 (0.019) 
 Player: Opponent:  23.43% (G:2.25% B:0.18%) 76.57% (G:19.34% B:1.28%)  Conf.: ± 0.004 (0.536...0.527)  [0.0%] Duration: 2 minutes 18 seconds 

3.  Rollout^{2}  24/22(2)  eq: 0.544 (0.031) 
 Player: Opponent:  22.82% (G:1.21% B:0.07%) 77.18% (G:7.56% B:0.16%)  Conf.: ± 0.003 (0.547...0.540)  [0.0%] Duration: 2 minutes 14 seconds 


^{1} 1296 Games rolled with Variance Reduction. Dice Seed: 49382268 Moves: 3ply, cube decisions: XG Roller
^{2} 1296 Games rolled with Variance Reduction. Dice Seed: 57127467 Moves: 3ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.10, MET: Kazaross XG2
  White is Player 2
score: 1 pip: 120  2 point match Crawford  pip: 147 score: 0
Blue is Player 1  
XGID=BBBBBAdBdcbbB:0:0:1:11:0:1:1:2:10 
Blue to play 11 
1.  Rollout^{1}  24/23(2) 9/8(2)  eq: 0.441 
 Player: Opponent:  24.56% (G:3.39% B:0.24%) 75.44% (G:13.03% B:0.79%)  Conf.: ± 0.005 (0.446...0.436)  [100.0%] Duration: 2 minutes 08 seconds 

2.  Rollout^{1}  24/22 11/10 9/8  eq: 0.480 (0.039) 
 Player: Opponent:  23.04% (G:2.97% B:0.15%) 76.96% (G:21.32% B:1.19%)  Conf.: ± 0.005 (0.485...0.474)  [0.0%] Duration: 2 minutes 06 seconds 

3.  Rollout^{1}  24/22 9/8(2)  eq: 0.484 (0.043) 
 Player: Opponent:  22.83% (G:2.97% B:0.19%) 77.17% (G:20.81% B:0.99%)  Conf.: ± 0.005 (0.489...0.479)  [0.0%] Duration: 1 minute 58 seconds 

4.  Rollout^{1}  24/22(2)  eq: 0.513 (0.072) 
 Player: Opponent:  22.74% (G:1.59% B:0.13%) 77.26% (G:7.59% B:0.28%)  Conf.: ± 0.004 (0.518...0.509)  [0.0%] Duration: 2 minutes 11 seconds 


^{1} 1296 Games rolled with Variance Reduction. Dice Seed: 49382268 Moves: 3ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.10, MET: Kazaross XG2
  White is Player 2
score: 0 pip: 120  2 point match Crawford  pip: 147 score: 1
Blue is Player 1  
XGID=BBBBBAdBdcbbB:0:0:1:11:1:0:1:2:10 
Blue to play 11 
1.  Rollout^{1}  24/22(2)  eq: 0.619 
 Player: Opponent:  22.49% (G:1.16% B:0.08%) 77.51% (G:3.47% B:0.07%)  Conf.: ± 0.003 (0.623...0.616)  [100.0%] Duration: 2 minutes 04 seconds 

2.  Rollout^{1}  24/23(2) 9/8(2)  eq: 0.651 (0.032) 
 Player: Opponent:  23.86% (G:2.41% B:0.32%) 76.14% (G:6.42% B:0.56%)  Conf.: ± 0.005 (0.656...0.646)  [0.0%] Duration: 1 minute 58 seconds 


^{1} 1296 Games rolled with Variance Reduction. Dice Seed: 49382268 Moves: 3ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.10, MET: Kazaross XG2
One interesting observation: the best move doesn't even make it through the move filter at DMP and GG.