I was reviewing Robertie's 1984 Advanced Backgammon looking for interesting positions to steal for lessons when I came upon this monster blunder. Robertie's play looked very wrong to me, and I was vindicated by the rollout which made his play a .180 error.
| 1. | Rollout1 | 20/11 | eq: +0.342 |
| Player:
Opponent: | 62.23% (G:28.54% B:1.49%)
37.77% (G:6.59% B:0.23%) | Conf.: ± 0.007 (+0.336...+0.349) - [100.0%]
Duration: 1 minute 45 seconds |
|
| 2. | Rollout1 | 8/4 8/3 | eq: +0.162 (-0.180) |
| Player:
Opponent: | 58.37% (G:20.23% B:0.26%)
41.63% (G:5.00% B:0.25%) | Conf.: ± 0.007 (+0.156...+0.169) - [0.0%]
Duration: 1 minute 52 seconds |
|
| 3. | XG Roller++ | 20/15 8/4 | eq: +0.237 (-0.105) |
| Player:
Opponent: | 59.60% (G:29.32% B:0.98%)
40.40% (G:10.75% B:0.46%) | |
|
| 4. | XG Roller++ | 20/16 20/15 | eq: +0.105 (-0.237) |
| Player:
Opponent: | 56.59% (G:25.52% B:1.28%)
43.41% (G:11.92% B:0.37%) | |
|
| 5. | 2-ply | 20/16 8/3 | eq: +0.005 (-0.338) |
| Player:
Opponent: | 52.69% (G:24.70% B:1.04%)
47.31% (G:11.96% B:0.50%) | |
|
| |
1 1296 Games rolled with Variance Reduction.
Moves: 3-ply, cube decisions: XG Roller
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