I compared two positions below. The first position is an original position and the second position is non-contact position with same pip difference.
I know double's pipcount got smaller so that it favors his winninc chance but even so I could safely say contact favors taker more than 1%.
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| XGID=--BBBCDbB----------acbbbc-:0:0:1:00:0:0:3:0:10 | |||||
| Blue on roll, cube action? | |||||
| Analyzed in Rollout | No double | Double/Take |
| Player Winning Chances: | 78.35% (G:0.11% B:0.00%) | 78.25% (G:0.11% B:0.00%) |
| Opponent Winning Chances: | 21.65% (G:0.03% B:0.00%) | 21.75% (G:0.03% B:0.00%) |
| Cubeless Equities | +0.568 | +1.132 |
| Cubeful Equities | ||
| No double: | +0.828 (-0.159) | ±0.002 (+0.825..+0.830) |
| Double/Take: | +0.987 | ±0.004 (+0.983..+0.991) |
| Double/Pass: | +1.000 (+0.013) | |
| Best Cube action: Double / Take | ||
| Rollout details | ||
| 684 Games rolled with Variance Reduction. Dice Seed: 36983477 Moves and cube decisions: 3-ply | ||
| Double Decision confidence: | 100.0% | |
| Take Decision confidence: | 100.0% | |
| Duration: 14.1 seconds | ||
eXtreme Gammon Version: 2.00
 |
| ||||
| XGID=--BBBCDBb----------acbbbc-:0:0:1:00:0:0:3:0:10 | |||||
| Blue on roll, cube action? | |||||
| Analyzed in Rollout | No double | Double/Take |
| Player Winning Chances: | 79.71% (G:0.00% B:0.00%) | 79.69% (G:0.00% B:0.00%) |
| Opponent Winning Chances: | 20.29% (G:0.00% B:0.00%) | 20.31% (G:0.00% B:0.00%) |
| Cubeless Equities | +0.594 | +1.188 |
| Cubeful Equities | ||
| No double: | +0.871 (-0.129) | ±0.001 (+0.870..+0.872) |
| Double/Take: | +1.058 (+0.058) | ±0.001 (+1.057..+1.060) |
| Double/Pass: | +1.000 | |
| Best Cube action: Double / Pass | ||
| Rollout details | ||
| 684 Games rolled with Variance Reduction. Dice Seed: 36983477 Moves and cube decisions: 3-ply | ||
| Double Decision confidence: | 100.0% | |
| Take Decision confidence: | 100.0% | |
| Duration: 53.7 seconds | ||
eXtreme Gammon Version: 2.00