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LAPSUS CUBUS ?

Posted By: adrianov
Date: Tuesday, 15 December 2015, at 4:13 p.m.

When a player has an automatic redouble and he does not send the cube, how much does he gets pinged by XG in the PR evaluation?

Neil K was trailing 6-a, 4a vs. Shlomo K and send a cube before the last contact was lost. After misses by both players to a direct shot to the opponent’s last straggler, Neil entered the race as a favorite (16 pips ahead plus the roll).

After a few more rolls, Shlomo made a huge blunder with a re-cube to 4 on this position: (Time 1:01 in video).

Neil took it but he did not immediately re-cube (LAPSUS CUBUS). I was surprised to see that it was not even an error!

He re-cubed to 8 on the next roll, but ended up losing.

I guess the missed re-cube not being an error comes from the fact that there is no sequence where the opponent has a drop after the re-cube to 8 happens.?? (Somebody explain, please).





White is Neil Kazaroos

score: 3
pip: 17
9 point match
pip: 24
score: 5

Blue is Shlomo Karbal
XGID=---A-CA---------------ccb-:1:1:1:00:5:3:0:9:10
Blue on roll, cube action?

Analyzed in XG Roller+ No redouble Redouble/Take
Player Winning Chances: 69.41% (G:0.00% B:0.00%) 69.48% (G:0.00% B:0.00%)
Opponent Winning Chances: 30.59% (G:0.00% B:0.00%) 30.52% (G:0.00% B:0.00%)
Cubeless Equities +0.388 +0.977
Cubeful Equities
No redouble:+0.570
Redouble/Take:+0.301 (-0.269)
Redouble/Pass:+1.000 (+0.430)
Best Cube action: No redouble / Take
Percentage of wrong pass needed to make the double decision right: 27.8%

eXtreme Gammon Version: 2.19.208.pre-release, MET: Kazaross XG2

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