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eXtreme Gammon choosing NOT to complete home board close out

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10-18-2015 , 09:22 PM

dd22qq

stranger

Join Date: Oct 2015 Posts: 1

Have recently started using eXtreme Gammon (XG Roller) and on two occasions have noticed that it has chosen NOT to complete a close out/lock out while I was on the bar:

http://imgur.com/XVbx0Pi
http://imgur.com/Zr0U91S

Cannot possibly fathom why closing out your home board with your opponent on the bar wouldn't be the best move. What am I missing?

Last edited by dd22qq; 10-18-2015 at 09:39 PM.

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10-18-2015 , 10:49 PM

sopoRific

Carpal \'Tunnel

Join Date: Sep 2005 Posts: 7,225

In both positions, you're hoping white has to hit you and then get forced to leave a blot on their home board, potentially giving you a free shot at another blot with little to no risk of damaging your prime.

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10-19-2015 , 09:27 AM

Robertie

old hand

Join Date: May 2004 Posts: 1,954

After 18/7, you're simply giving White a chance to hit you, after which he'll have plenty of ways to leave a second blot in his board.

If you close him out with 7/1, your chances of winning a gammon are only about 3%. If you eventually hit a second checker, your gammon chances after closing out two men become 30-35%. Leaving the shot has negligible chances of losing.

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