CVdT "Yeah, switch off Jacoby and for money you'd also make the ace by quite a bit."
Huh? .0013 is quite a bit?
         
 
        
 | | White is Player 2
score: 0
pip: 158 | Unlimited Game
Beaver | pip: 161
score: 0
Blue is Player 1 |
|
| XGID=-a--B-DaB---dE-a-c-e----B-:0:0:1:66:0:0:2:0:10 |
| Blue to play 66 |
| 1. | XG Roller++ | 13/7*(2) 7/1*(2) | eq: +0.9271 |
| Player:
Opponent: | 68.70% (G:41.62% B:1.41%)
31.30% (G:6.91% B:0.33%) | |
|
| 2. | XG Roller++ | 24/18(2) 13/7*(2) | eq: +0.9258 (-0.0013) |
| Player:
Opponent: | 70.88% (G:22.24% B:0.95%)
29.12% (G:5.14% B:0.18%) | |
|
| 3. | XG Roller++ | 24/18 13/7*(3) | eq: +0.8049 (-0.1222) |
| Player:
Opponent: | 66.97% (G:25.75% B:1.65%)
33.03% (G:6.90% B:0.27%) | |
|
| 4. | 4-ply | 13/7*(2) 8/2(2) | eq: +0.7298 (-0.1973) |
| Player:
Opponent: | 64.53% (G:30.21% B:1.48%)
35.47% (G:7.80% B:0.36%) | |
|
| 5. | 4-ply | 13/7*(3) 7/1* | eq: +0.7184 (-0.2087) |
| Player:
Opponent: | 64.60% (G:32.55% B:1.33%)
35.40% (G:8.38% B:0.41%) | |
|
eXtreme Gammon Version: 2.10
Note also the per XGR++ Gigantic. Sans Jacoby it is 1.15 TG when both dance. That happens 25% of the time so a significant gain.
 
| | White is Player 2
score: 0
pip: 166 | Unlimited Game
Beaver | pip: 137
score: 0
Blue is Player 1 |
|
| XGID=bB--B-D-B---dC-a-c-e----B-:0:0:1:00:0:0:2:0:10 |
| Blue on roll, cube action? |
| Analyzed in XG Roller++ | No double | Double/Take |
| Player Winning Chances: | 75.976% (G:53.644% B:1.958%) | 76.017% (G:54.239% B:1.978%) |
| Opponent Winning Chances: | 24.024% (G:4.773% B:0.250%) | 23.983% (G:4.854% B:0.264%) |
| Cubeless Equities | +1.0253 | +2.0626 |
| Cubeful Equities |
| No double: | +1.1506 | |
| Double/Take: | +1.8927 (+0.7420) | |
| Double/Pass: | +1.0000 (-0.1506) |
| |
| Best Cube action: Too good to double / Pass |
| Percentage of wrong take needed to make the double decision right: 16.9% |
eXtreme Gammon Version: 2.10