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Keep the midpoint? Variants with Rollouts
Posted By: Nack Ballard
Date: Tuesday, 23 December 2025, at 4:15 a.m.
In Response To: ROLLOUT: Do you keep the midpoint here? (ah_clem)
          
 
         
 | | White is Player 2
score: 1
pip: 144 | | 5 point match | pip: 118
score: 0
Blue is Player 1 |
|
| XGID=--B-bBDBB---cB---bbcc---A-:0:0:1:65:0:1:0:5:10 |
| Original Position |
| 1. | Rollout1 | 7/1 6/1 | eq: -0.494 |
| Player:
Opponent: | 39.06% (G:11.89% B:0.17%)
60.94% (G:12.70% B:0.80%) | Conf.: ± 0.013 (-0.507...-0.481) - [100.0%]
Duration: 1 minute 50 seconds |
|
| 2. | Rollout1 | 8/3 8/2 | eq: -0.542 (-0.048) |
| Player:
Opponent: | 37.58% (G:10.83% B:0.22%)
62.42% (G:12.34% B:0.74%) | Conf.: ± 0.013 (-0.554...-0.529) - [0.0%]
Duration: 1 minute 59 seconds |
|
| 3. | Rollout1 | 13/8 13/7 | eq: -0.620 (-0.126) |
| Player:
Opponent: | 35.41% (G:8.50% B:0.24%)
64.59% (G:7.93% B:0.29%) | Conf.: ± 0.013 (-0.634...-0.607) - [0.0%]
Duration: 2 minutes 00 second |
|
| 4. | Rollout1 | 7/2 7/1 | eq: -0.645 (-0.151) |
| Player:
Opponent: | 35.35% (G:9.85% B:0.20%)
64.65% (G:13.91% B:0.71%) | Conf.: ± 0.013 (-0.658...-0.632) - [0.0%]
Duration: 1 minute 43 seconds |
|
| |
1 1296 Games rolled with Variance Reduction.
Moves: 3-ply, cube decisions: XG Roller
|
Wonderful position posted by ah_clem. His rollout appears above.
Below, I'm posting rollouts of two variant positions. The first adjusts White's original position by 3 pips (13/10), and the second adjusts her position by 2 pips (anchor from 21pt anchor to 22pt).
Nack
| | White is Player 2
score: 1
pip: 141 | | 5 point match | pip: 118
score: 0
Blue is Player 1 |
|
| XGID=--B-bBDBB---bB-a-bbcc---A-:0:0:1:65:0:1:0:5:10 |
| White's 13pt spare is on her 10pt |
| 1. | Rollout1 | 13/8 13/7 | eq: -0.720 |
| Player:
Opponent: | 32.77% (G:7.44% B:0.14%)
67.23% (G:8.36% B:0.29%) | Conf.: ± 0.013 (-0.733...-0.708) - [100.0%]
Duration: 4 minutes 00 second |
|
| 2. | Rollout1 | 7/1 6/1 | eq: -0.789 (-0.069) |
| Player:
Opponent: | 32.82% (G:8.82% B:0.20%)
67.18% (G:13.82% B:0.75%) | Conf.: ± 0.016 (-0.805...-0.774) - [0.0%]
Duration: 4 minutes 03 seconds |
|
| |
1 1296 Games rolled with Variance Reduction.
Dice Seed: 17921937
Moves: 3-ply, cube decisions: XG Roller
|
| | White is Player 2
score: 1
pip: 146 | | 5 point match | pip: 118
score: 0
Blue is Player 1 |
|
| XGID=--Bb-BDBB---cB---bbcc---A-:0:0:1:65:0:1:0:5:10 |
| White owns her 22pt instead of 21pt |
| 1. | Rollout1 | 13/8 13/7 | eq: -0.512 |
| Player:
Opponent: | 38.24% (G:9.54% B:0.24%)
61.76% (G:10.71% B:0.52%) | Conf.: ± 0.007 (-0.518...-0.505) - [89.0%]
Duration: 54 minutes 34 seconds |
|
| 2. | Rollout1 | 7/1 6/1 | eq: -0.518 (-0.006) |
| Player:
Opponent: | 38.26% (G:12.38% B:0.26%)
61.74% (G:14.33% B:0.88%) | Conf.: ± 0.007 (-0.525...-0.511) - [11.0%]
Duration: 52 minutes 41 seconds |
|
| |
1 5184 Games rolled with Variance Reduction.
Dice Seed: 54736095
Moves: 3-ply, cube decisions: XG Roller
|
Messages In This Thread
- Do you keep the midpoint here?
ah_clem -- Saturday, 20 December 2025, at 4:54 p.m.
- Do you keep the midpoint here?
Ian Shaw -- Saturday, 20 December 2025, at 7:32 p.m.
- Do you keep the midpoint here?
Francesco -- Saturday, 20 December 2025, at 8:47 p.m.
- Do you keep the midpoint here?
John O'Hagan -- Saturday, 20 December 2025, at 10:09 p.m.
- Do you keep the midpoint here?
negheonegu -- Sunday, 21 December 2025, at 5:47 a.m.
- ROLLOUT: Do you keep the midpoint here?
ah_clem -- Monday, 22 December 2025, at 3:11 p.m.
- Keep the midpoint? Variants with Rollouts
Nack Ballard -- Tuesday, 23 December 2025, at 4:15 a.m.
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