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Reference Positons for Mr. NeilKaz, Winner of 29 Straight Matches

Posted By: Paul Weaver
Date: Wednesday, 12 October 2011, at 12:32 p.m.

In Response To: Shot and race cube action (neilkaz)

Belated congratulations to Mr. Neil Kazaross, who won 29 consecutive tournament matches in 1999!

Hard to believe, but it has now been almost two years since Mr. David Reuben was kind enough to make a post on this site informing us that Neil has the biggest ---- in all of backgammon. I am not sure how David knows this, but I am very sure that I do not want to learn how he knows it.

I am posting six reference postions below for Neil and anyone else who wants to waste his time and his life studying backgammon. Wish someone who has a computer would roll these out. Would not take long at all. My excuse? My computer quit working, so I threw it out and now I no longer have a computer.

In all six positions, Blue is on roll with an ace shot. To the uninitiated, it might appear that Blue's chance of hitting is 11/36. However, in the real world, Blue's chance of hitting is somewhat less than 11/36 because a three-part parlay must occur in order for Blue to hit: (1) Blue rolls an ace, (2) Blue notices he can hit and (3) Blue decides it is correct to hit.

Position 1.





White is Player 2

score: 0
pip: 66
Unlimited Game
Jacoby Beaver
pip: 64
score: 0

Blue is Player 1
XGID=-BBBCCB-----aA-----ccbbbb-:0:0:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in XG Roller+ No double Double/Take
Player Winning Chances: 78.31% (G:0.75% B:0.01%) 78.44% (G:0.57% B:0.01%)
Opponent Winning Chances: 21.69% (G:0.00% B:0.00%) 21.56% (G:0.00% B:0.00%)
Cubeless Equities +0.574 +1.149
Cubeful Equities
No double:+0.726 (-0.274)
Double/Take:+1.011 (+0.011)
Double/Pass:+1.000
Best Cube action: Double / Pass

eXtreme Gammon Version: 2.00

Position 2.





White is Player 2

score: 0
pip: 66
Unlimited Game
Jacoby Beaver
pip: 65
score: 0

Blue is Player 1
XGID=-BBBCBC-----aA-----ccbbbb-:0:0:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in XG Roller+ No double Double/Take
Player Winning Chances: 76.60% (G:0.78% B:0.01%) 76.66% (G:0.61% B:0.01%)
Opponent Winning Chances: 23.40% (G:0.00% B:0.00%) 23.34% (G:0.00% B:0.00%)
Cubeless Equities +0.540 +1.079
Cubeful Equities
No double:+0.672 (-0.256)
Double/Take:+0.927
Double/Pass:+1.000 (+0.073)
Best Cube action: Double / Take

eXtreme Gammon Version: 2.00

Position 3.





White is Player 2

score: 0
pip: 66
Unlimited Game
Jacoby Beaver
pip: 72
score: 0

Blue is Player 1
XGID=-BBBBBB-AA--aA-----ccbbbb-:0:0:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in XG Roller+ No double Double/Take
Player Winning Chances: 62.12% (G:0.83% B:0.01%) 61.88% (G:0.68% B:0.01%)
Opponent Winning Chances: 37.88% (G:0.00% B:0.00%) 38.12% (G:0.00% B:0.00%)
Cubeless Equities +0.251 +0.489
Cubeful Equities
No double:+0.260
Double/Take:+0.245 (-0.015)
Double/Pass:+1.000 (+0.740)
Best Cube action: No double / Take
Percentage of wrong pass needed to make the double decision right: 1.9%

eXtreme Gammon Version: 2.00

Position 4.





White is Player 2

score: 0
pip: 66
Unlimited Game
Jacoby Beaver
pip: 71
score: 0

Blue is Player 1
XGID=-BBBBBBA-A--aA-----ccbbbb-:0:0:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in XG Roller+ No double Double/Take
Player Winning Chances: 63.50% (G:0.80% B:0.01%) 63.27% (G:0.66% B:0.01%)
Opponent Winning Chances: 36.50% (G:0.00% B:0.00%) 36.73% (G:0.00% B:0.00%)
Cubeless Equities +0.278 +0.544
Cubeful Equities
No double:+0.303 (-0.016)
Double/Take:+0.319
Double/Pass:+1.000 (+0.681)
Best Cube action: Double / Take

eXtreme Gammon Version: 2.00

Position 5.





White is Player 2

score: 0
pip: 66
Unlimited Game
Jacoby Beaver
pip: 70
score: 0

Blue is Player 1
XGID=-BBBBBC--A--aA-----ccbbbb-:1:1:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in XG Roller+ No redouble Redouble/Take
Player Winning Chances: 67.02% (G:0.85% B:0.01%) 66.94% (G:0.69% B:0.01%)
Opponent Winning Chances: 32.98% (G:0.00% B:0.00%) 33.06% (G:0.00% B:0.00%)
Cubeless Equities +0.349 +0.692
Cubeful Equities
No redouble:+0.494
Redouble/Take:+0.477 (-0.017)
Redouble/Pass:+1.000 (+0.506)
Best Cube action: No redouble / Take
Percentage of wrong pass needed to make the double decision right: 3.1%

eXtreme Gammon Version: 2.00

Position 6.





White is Player 2

score: 0
pip: 66
Unlimited Game
Jacoby Beaver
pip: 69
score: 0

Blue is Player 1
XGID=-BBBBBC-A---aA-----ccbbbb-:1:1:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in XG Roller+ No redouble Redouble/Take
Player Winning Chances: 68.64% (G:0.89% B:0.01%) 68.63% (G:0.65% B:0.01%)
Opponent Winning Chances: 31.36% (G:0.00% B:0.00%) 31.37% (G:0.00% B:0.00%)
Cubeless Equities +0.382 +0.759
Cubeful Equities
No redouble:+0.532 (-0.024)
Redouble/Take:+0.556
Redouble/Pass:+1.000 (+0.444)
Best Cube action: Redouble / Take

eXtreme Gammon Version: 2.00

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