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64S-44 vs 54D-44

Posted By: David Rockwell
Date: Friday, 29 April 2011, at 9:19 p.m.

In Response To: 64S-44 (David Rockwell)

I'll compare 64S-44 to 54D-44 since B is best for 43D-44 and hitting two is best for 41S-44 and 43Z-44.

is Player 2

score: 0
pip: 157
Money session
Jacoby Beaver
pip: 167
score: 0

is Player 1
XGID=-a----EaC---dE--ac-e----B-:0:0:1:44:0:0:3:0:10
to play 44

1.XG Roller+24/16*(2) eq: +0.341
Player:
Opponent:		 59.47% (G:13.11% B:0.56%)
40.53% (G:8.72% B:0.25%)
2.XG Roller+24/16* 13/9(2)eq: +0.340 (-0.001)
Player:
Opponent:		 58.72% (G:15.81% B:0.86%)
41.28% (G:9.34% B:0.31%)

eXtreme Gammon Version: 1.21
is Player 2

score: 0
pip: 158
Money session
Jacoby Beaver
pip: 167
score: 0

is Player 1
XGID=-b----E-C---cE--ad-e----B-:0:0:1:44:0:0:3:0:10
to play 44

1.XG Roller+24/16* 13/9(2)eq: +0.420
Player:
Opponent:		 60.56% (G:18.29% B:1.24%)
39.44% (G:9.75% B:0.37%)
2.XG Roller+24/20(2) 13/9(2)eq: +0.399 (-0.020)
Player:
Opponent:		 59.39% (G:15.35% B:0.55%)
40.61% (G:6.85% B:0.23%)
3.XG Roller+24/16*(2) eq: +0.366 (-0.053)
Player:
Opponent:		 60.37% (G:13.69% B:0.74%)
39.63% (G:9.65% B:0.30%)

eXtreme Gammon Version: 1.21

After hitting, the choice is making the 16 point advanced anchor or bringing two down to the nine point leaving a blot on the sixteen.

The biggest difference I see in the equities is on 41, 42 and 54 responses. These are the rolls which hit in the outfield after 44D (Down 24-16*, 13-9(2)). 43 makes the bar after 64S so it is a little different. After 54D, the mid-point has only one spare left. Leaving a blot in front of it costs less than it does after 64S when there are four checkers left there. That appears to be the point to me.

Don't place your blots in front of stacks.

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