XGID=-ba-BaC-D--BdB---bAe---A--:0:0:1:00:0:0:0:0:10
X:Player 2 O:Player 1
Score is X:0 O:0. Unlimited Game
+13-14-15-16-17-18------19-20-21-22-23-24-+
| X O X | | O X |
| X O | | O |
| | | O |
| | | O |
| | | O |
| |BAR| |
| | | |
| O X | | |
| O X | | X |
| O X X | | X X O |
| O X X | | X O X O O |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 147 O: 189 X-O: 0-0
Cube: 1
X on roll, cube action
This position looks pretty bad for O at first glance. She is more than
40 pips down, with no new points made, while X has eleven checkers in
the zone and has partially escaped his back checkers. It looks like O
will get blitzed, or stuck in an ace-point game or a poorly-timed
backgame. However, O is not on the bar right now, and X has only a
two-point board with not much of a prime either. While X has good
gammon chances, O also has reasonable winning chances and should win
about 1/3 of the time, according to the rollout below.
In the variant, O's chances of making an advanced anchor are lower,
and the rollout results reflect this.
Analyzed in Rollout
No double
Player Winning Chances: 65.81% (G:28.60% B:3.19%)
Opponent Winning Chances: 34.19% (G:6.39% B:0.27%)
Double/Take
Player Winning Chances: 65.31% (G:29.26% B:3.54%)
Opponent Winning Chances: 34.69% (G:6.65% B:0.34%)
Cubeful Equities:
No double: +0.775 (-0.077)
Double/Take: +0.852
Double/Pass: +1.000 (+0.148)
Best Cube action: Double / Take
Rollout:
1296 Games rolled with Variance Reduction.
Dice Seed: 271828
Moves: 3-ply, cube decisions: XG Roller
Confidence No Double: ± 0.016 (+0.759..+0.791)
Confidence Double: ± 0.024 (+0.828..+0.875)
eXtreme Gammon Version: 2.19.207.pre-release
-------
Variant
-------
XGID=-ca-B-C-D--BdB---bAe---A--:0:0:1:00:0:0:0:0:10
X:Player 2 O:Player 1
Score is X:0 O:0. Unlimited Game
+13-14-15-16-17-18------19-20-21-22-23-24-+
| X O X | | O X |
| X O | | O |
| | | O |
| | | O |
| | | O |
| |BAR| |
| | | |
| O X | | |
| O X | | X O |
| O X X | | X X O |
| O X X | | X X O O |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 147 O: 193 X-O: 0-0
Cube: 1
X on roll, cube action
Analyzed in Rollout
No double
Player Winning Chances: 67.47% (G:30.21% B:3.53%)
Opponent Winning Chances: 32.53% (G:5.73% B:0.24%)
Double/Take
Player Winning Chances: 67.24% (G:30.50% B:3.75%)
Opponent Winning Chances: 32.76% (G:5.79% B:0.25%)
Cubeful Equities:
No double: +0.899 (-0.089)
Double/Take: +0.988
Double/Pass: +1.000 (+0.012)
Best Cube action: Double / Take
Rollout:
2592 Games rolled with Variance Reduction.
Dice Seed: 271828
Moves: 3-ply, cube decisions: XG Roller
Confidence No Double: ± 0.010 (+0.889..+0.909)
Confidence Double: ± 0.016 (+0.972..+1.005)
eXtreme Gammon Version: 2.19.207.pre-release
--- > Tim Chow
I look at the underdog's blot on the 5 point and think "Good asset. The underdog is ready to
consolidate with an advanced anchor." whereas XG thinks "Horrible weakness. Big pass,
The favourite is set to attack this blot and win tons of gammons."
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