BGonline.org Forums

Daily Quiz 11/25: XGR+ evals

Posted By: Timothy Chow
Date: Wednesday, 30 November 2011, at 3:21 p.m.

In Response To: Daily Quiz 11/25 (Daily Quiz)

Making the 2pt seems to be a stronger candidate than I thought it would be.

		White is Player 2 score: 0 pip: 129 Money session Jacoby Beaver pip: 128 score: 0 Blue is Player 1
XGID=---a-CD-C---dE---d-c--a-b-:1:-1:1:36:0:0:3:0:10
Blue to play 36

1.	XG Roller+	13/7 6/3*	eq: +0.267
	Player: Opponent: 64.76% (G:17.24% B:0.36%) 35.24% (G:7.54% B:0.16%)
2.	XG Roller+	8/2 5/2	eq: +0.250 (-0.016)
	Player: Opponent: 64.99% (G:10.28% B:0.12%) 35.01% (G:2.79% B:0.05%)
3.	XG Roller+	13/10 8/2	eq: +0.232 (-0.034)
	Player: Opponent: 64.39% (G:9.82% B:0.14%) 35.61% (G:3.06% B:0.06%)
4.	XG Roller+	13/10 13/7	eq: +0.197 (-0.069)
	Player: Opponent: 62.72% (G:12.87% B:0.33%) 37.28% (G:5.59% B:0.12%)

eXtreme Gammon Version: 1.21

---

		White is Player 2 score: 0 pip: 155 Money session Jacoby Beaver pip: 146 score: 0 Blue is Player 1
XGID=--aB-BCaB---dD---d-eA---A-:0:0:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in XG Roller+
Player Winning Chances:	66.85% (G: 26.43% B: 0.96%)
Opponent Winning Chances:	33.15% (G: 6.04% B: 0.23%)
Cubeless Equities
No Double:	+0.337
Double:	+1.127
Cubeful Equities
No Double:	+0.737 (-0.161)
Double/Take:	+0.899
Double/Drop:	+1.000 (+0.101)
Best Cube action: Double / Take

eXtreme Gammon Version: 1.21

---

		White is Player 2 score: 0 pip: 144 Money session Jacoby Beaver pip: 131 score: 0 Blue is Player 1
XGID=--aaB-DCB---cB---cBe--b---:1:-1:1:45:0:0:3:0:10
Blue to play 45

1.	XG Roller+	8/3* 7/3	eq: +0.505
	Player: Opponent: 69.75% (G:27.14% B:0.78%) 30.25% (G:6.14% B:0.26%)
2.	XG Roller+	7/2* 6/2	eq: +0.459 (-0.047)
	Player: Opponent: 68.93% (G:24.25% B:0.60%) 31.07% (G:5.91% B:0.25%)
3.	XG Roller+	18/14 18/13	eq: +0.417 (-0.089)
	Player: Opponent: 71.56% (G:13.22% B:0.44%) 28.44% (G:4.79% B:0.13%)

eXtreme Gammon Version: 1.21

Even if we strengthen White's board as shown below, XGR+ still slightly prefers the 3pt.

		White is Player 2 score: 0 pip: 140 Money session Jacoby Beaver pip: 131 score: 0 Blue is Player 1
XGID=--aaB-DCB---cB---bBdb-b---:1:-1:1:45:0:0:3:0:10
Blue to play 45

1.	XG Roller+	8/3* 7/3	eq: +0.297
	Player: Opponent: 63.89% (G:23.40% B:0.65%) 36.11% (G:9.02% B:0.37%)
2.	XG Roller+	7/2* 6/2	eq: +0.291 (-0.006)
	Player: Opponent: 64.07% (G:21.10% B:0.55%) 35.93% (G:7.85% B:0.35%)

eXtreme Gammon Version: 1.21

Messages In This Thread

• Daily Quiz 11/25
  Daily Quiz -- Monday, 28 November 2011, at 12:10 a.m.
  • Daily Quiz 11/25
    martin sterel -- Monday, 28 November 2011, at 9:57 a.m.
  • Daily Quiz 11/25
    Schreib -- Wednesday, 30 November 2011, at 3:03 a.m.
  • Daily Quiz 11/25
    Timothy Chow -- Wednesday, 30 November 2011, at 3:21 p.m.
  • Daily Quiz 11/25: XGR+ evals
    Timothy Chow -- Wednesday, 30 November 2011, at 3:21 p.m.