[ View Thread ] [ Post Response ] [ Return to Index ] [ Read Prev Msg ] [ Read Next Msg ]

BGonline.org Forums

XG++ evals and comment

Posted By: Tenland
Date: Tuesday, 19 September 2017, at 8:27 p.m.

In Response To: Non-sexy 53s to play (Tenland)





White is Player 2

score: 0
pip: 127
Unlimited Game
pip: 118
score: 0

Blue is Player 1
XGID=--B---DbCB-BbB---bbbcb----:1:-1:1:53:0:0:0:0:10
Blue to play 53

1.XG Roller++6/3 6/1eq: +0,209
Player:
Opponent:
66,27% (G:1,18% B:0,02%)
33,73% (G:1,30% B:0,01%)
2.XG Roller++8/5 6/1eq: +0,205 (-0,003)
Player:
Opponent:
66,10% (G:1,15% B:0,01%)
33,90% (G:1,23% B:0,01%)
3.XG Roller++11/8 11/6eq: +0,202 (-0,006)
Player:
Opponent:
65,92% (G:1,16% B:0,02%)
34,08% (G:1,17% B:0,02%)
4.XG Roller++8/3 6/3eq: +0,190 (-0,019)
Player:
Opponent:
65,55% (G:1,04% B:0,02%)
34,45% (G:1,37% B:0,02%)

eXtreme Gammon Version: 2.10





White is Player 2

score: 0
pip: 153
Unlimited Game
pip: 118
score: 0

Blue is Player 1
XGID=--B---DbCB-BeB---bbbb-----:1:-1:1:53:0:0:0:0:10
Blue to play 53

1.XG Roller++8/5 6/1eq: +0,560
Player:
Opponent:
80,39% (G:3,54% B:0,03%)
19,61% (G:1,36% B:0,04%)
2.XG Roller++6/3 6/1eq: +0,560 (0,000)
Player:
Opponent:
80,45% (G:3,36% B:0,05%)
19,55% (G:1,39% B:0,04%)
3.XG Roller++8/3 6/3eq: +0,548 (-0,012)
Player:
Opponent:
79,95% (G:3,35% B:0,04%)
20,05% (G:1,36% B:0,04%)
4.XG Roller++11/8 11/6eq: +0,532 (-0,029)
Player:
Opponent:
79,15% (G:3,64% B:0,04%)
20,85% (G:1,44% B:0,04%)

eXtreme Gammon Version: 2.10

I thought that a closer race would argue against breaking the 11 point, since making the 3 could prepare for some sort of later contact (if we compare to that specific play), and if he caught up a bit in the race, blocking 44 would have value (OK, we cant hold the points for long...). In addition, I felt like picking up the 11 was a step in the direction of breaking contact, which we wanted more when up by a lot in the race.

However, it seems like keeping the 11 is a better way to break contact, as the gain on 52 42 is huge (obviously much bigger when the race is gin). I thought the 11p presented some inflexibility when we didn't roll a clearing number next turn, and was a point we needed to clear later anyway. Apparently, this argument is weaker.

I don't think race wastage is a big factor between these two plays - if we let him respond by 55 (breaking contact) in the closer-race position, our chances are similar after the two plays.

Messages In This Thread

 

Post Response

Your Name:
Your E-Mail Address:
Subject:
Message:

If necessary, enter your password below:

Password:

 

 

[ View Thread ] [ Post Response ] [ Return to Index ] [ Read Prev Msg ] [ Read Next Msg ]

BGonline.org Forums is maintained by Stick with WebBBS 5.12.