White's four-point board is stronger than we've seen in the previous problems, but Blue's board is also stronger. The double jump still wins by a mile—but see the variant.

              
 
              
 | | White is Player 2
score: 0 pip: 111 | | Unlimited Game | pip: 109 score: 0
Blue is Player 1 | |
| XGID=-ABbCBB-C-----a----dbdbB--:1:-1:1:65:0:0:0:0:10 |
| Blue to play 65 |
| 1. | Rollout1 | 23/18 23/17 | eq: -0.328 |
| Player: Opponent: | 47.30% (G:8.82% B:0.32%) 52.70% (G:19.71% B:0.55%) | Conf.: ± 0.008 (-0.336...-0.320) - [100.0%] Duration: 4 minutes 57 seconds |
|
| 2. | Rollout1 | 23/12 | eq: -0.488 (-0.160) |
| Player: Opponent: | 41.14% (G:8.91% B:0.32%) 58.86% (G:20.49% B:0.56%) | Conf.: ± 0.006 (-0.495...-0.482) - [0.0%] Duration: 4 minutes 13 seconds |
|
| |
1 1296 Games rolled with Variance Reduction. Dice Seed: 271828 Moves: 3-ply, cube decisions: XG Roller
|
eXtreme Gammon Version: 2.19.207.pre-release
Variant:

              
 
              
 | | White is Player 2
score: 0 pip: 105 | | Unlimited Game | pip: 109 score: 0
Blue is Player 1 | |
| XGID=-ABbCBB-C-----a----dbbbBb-:1:-1:1:65:0:0:0:0:10 |
| Blue to play 65 |
| 1. | Rollout1 | 23/12 | eq: -0.467 |
| Player: Opponent: | 41.58% (G:8.12% B:0.29%) 58.42% (G:22.05% B:0.47%) | Conf.: ± 0.006 (-0.473...-0.461) - [99.9%] Duration: 1 minute 05 seconds |
|
| 2. | Rollout1 | 23/18 8/2 | eq: -0.482 (-0.015) |
| Player: Opponent: | 40.85% (G:8.61% B:0.25%) 59.15% (G:22.59% B:0.58%) | Conf.: ± 0.007 (-0.490...-0.475) - [0.1%] Duration: 1 minute 12 seconds |
|
| 3. | Rollout1 | 23/18 23/17 | eq: -0.494 (-0.027) |
| Player: Opponent: | 41.70% (G:6.81% B:0.21%) 58.30% (G:25.24% B:0.50%) | Conf.: ± 0.005 (-0.499...-0.489) - [0.0%] Duration: 50.4 seconds |
|
| |
1 1296 Games rolled with Variance Reduction. Dice Seed: 271828 Moves: 3-ply, cube decisions: XG Roller
|
eXtreme Gammon Version: 2.19.207.pre-release