Discussion:
Can't clean up everything
(too old to reply)
Tim Chow
2020-06-28 18:52:21 UTC
Permalink
XGID=---bB-D-CaABbB-Aab-cb-b---:1:-1:1:43:0:0:0:0:10

X:Player 1 O:Player 2
Score is X:0 O:0. Unlimited Game
+13-14-15-16-17-18------19-20-21-22-23-24-+
| X X O O | | O O O | +---+
| X O | | O O O | | 2 |
| | | O | +---+
| | | |
| | | |
| |BAR| |
| | | |
| | | X |
| X | | X |
| O X X | | X X O |
| O X X O X | | X X O |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 129 O: 145 X-O: 0-0
Cube: 2, O own cube
X to play 43

---
Tim Chow
Paul Epstein
2020-06-29 08:15:21 UTC
Permalink
Post by Tim Chow
XGID=---bB-D-CaABbB-Aab-cb-b---:1:-1:1:43:0:0:0:0:10
X:Player 1 O:Player 2
Score is X:0 O:0. Unlimited Game
+13-14-15-16-17-18------19-20-21-22-23-24-+
| X X O O | | O O O | +---+
| X O | | O O O | | 2 |
| | | O | +---+
| | | |
| | | |
| |BAR| |
| | | |
| | | X |
| X | | X |
| O X X | | X X O |
| O X X O X | | X X O |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 129 O: 145 X-O: 0-0
Cube: 2, O own cube
X to play 43
---
Tim Chow
Hitting seems automatic so I'll hit.
Then I'll play 13/10 as the obvious clean-up continuation.

How confident am I?
Such a mundane and pedestrian play seems unlikely
to be correct in a quiz. So I'm asserting only 15% confidence.

Paul
Peter
2020-06-29 15:16:04 UTC
Permalink
Post by Tim Chow
XGID=---bB-D-CaABbB-Aab-cb-b---:1:-1:1:43:0:0:0:0:10
X:Player 1 O:Player 2
Score is X:0 O:0. Unlimited Game
+13-14-15-16-17-18------19-20-21-22-23-24-+
| X X O O | | O O O | +---+
| X O | | O O O | | 2 |
| | | O | +---+
| | | |
| | | |
| |BAR| |
| | | |
| | | X |
| X | | X |
| O X X | | X X O |
| O X X O X | | X X O |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 129 O: 145 X-O: 0-0
Cube: 2, O own cube
X to play 43
---
Tim Chow
15/11 10/7
Tim Chow
2020-06-30 15:21:50 UTC
Permalink
XGID=---bB-D-CaABbB-Aab-cb-b---:1:-1:1:43:0:0:0:0:10

X:Player 1 O:Player 2
Score is X:0 O:0. Unlimited Game
+13-14-15-16-17-18------19-20-21-22-23-24-+
| X X O O | | O O O | +---+
| X O | | O O O | | 2 |
| | | O | +---+
| | | |
| | | |
| |BAR| |
| | | |
| | | X |
| X | | X |
| O X X | | X X O |
| O X X O X | | X X O |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 129 O: 145 X-O: 0-0
Cube: 2, O own cube
X to play 43

I hit, but hitting doesn't have as much value in this sort of holding-game
position, where X's offense isn't strong, and O's main goal is to send one
of X's checkers back.

1. Rollout¹ 15/11 10/7 eq:+0.122
Player: 62.84% (G:7.40% B:0.28%)
Opponent: 37.16% (G:7.69% B:0.23%)
Confidence: ±0.007 (+0.114..+0.129) - [100.0%]

2. Rollout¹ 15/8 eq:+0.012 (-0.110)
Player: 58.60% (G:9.03% B:0.39%)
Opponent: 41.40% (G:10.55% B:0.32%)
Confidence: ±0.009 (+0.003..+0.020) - [0.0%]

3. Rollout¹ 13/10 13/9* eq:+0.005 (-0.117)
Player: 58.54% (G:12.42% B:0.64%)
Opponent: 41.46% (G:12.83% B:0.49%)
Confidence: ±0.009 (-0.004..+0.014) - [0.0%]

4. Rollout¹ 13/9* 9/6 eq:+0.003 (-0.118)
Player: 58.47% (G:11.93% B:0.66%)
Opponent: 41.53% (G:13.25% B:0.69%)
Confidence: ±0.010 (-0.006..+0.013) - [0.0%]

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

---
Tim Chow

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