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BGonline.org Forums
OTB etc etc my methods...
Posted By: neilkaz In Response To: So after taking Carter rolled boxes (neilkaz)
Date: Thursday, 7 June 2007, at 10:30 p.m.
OTB I had a really hard time with this cube, noting that I think I play a bit stronger than Carter so I will pass a borderline cube. The position is a more clear take than I'd expected.
The score (after 0 games) is: gnubg 2, user 2 (match to 9 points)
Move number 5: gnubg on roll, cube decision?
Pip counts: gnubg 29, user 21
Position ID: bxcAAGA7AAAAAA Match ID: AgEgASAAEAAA
• gnubg doubles
Cube decision Rollout cubeless equity +0.4244 (Money: +0.4244) Cubeful equities: 1. Double, take +0.8017 2. Double, pass +1.0000 +0.1983 3. No double +0.6972 -0.1045 Proper cube action: Redouble, take Rollout details
Win W g W bg Lose L g L bg Cubeless Cubeful Player gnubg owns 4-cube 0.7122 0.0000 0.0000 - 0.2878 0.0000 0.0000 +0.4244 +0.6972 Standard error 0.0001 0.0000 0.0000 - 0.0001 0.0000 0.0000 0.0003 0.0005 Player user owns 8-cube 0.7126 0.0000 0.0000 - 0.2874 0.0000 0.0000 +0.8017 +0.8017 Standard error 0.0000 0.0000 0.0000 - 0.0000 0.0000 0.0000 0.0000 0.0000 Full cubeful rollout with var.redn. 944 games, Mersenne Twister dice gen. with seed 1062124096 and quasi-random dice Play: world class 2-ply cubeful prune [world class] keep the first 0 0-ply moves and up to 8 more moves within equity 0.16 Skip pruning for 1-ply moves. Cube: 2-ply cubeful prune [world class]
My method for these pips vs rolls situations is not EPC but does similar stuff. It is based on a method I developed for myself when Hal Heinrich's BOINC program came out around the late 80's.
Anyhow.. I don't have time to give away all my secrets but long ago for money I found out that when a very efficient 28 pip bearoff cubes a 5 roll speed board. It is still a take.
The score (after 0 games) is: gnubg 2, user 2 (match to 9 points)
Move number 10: gnubg on roll, cube decision?
Pip counts: gnubg 28, user 13
Position ID: 3wMAAMAOAAAAAA Match ID: AgEgASAAEAAA
• gnubg doubles
Cube decision 2-ply cubeless equity +0.5184 (Money: +0.5184) 0.7592 0.0000 0.0000 - 0.2408 0.0000 0.0000 Cubeful equities: 1. Double, take +0.9776 2. Double, pass +1.0000 +0.0224 3. No double +0.7852 -0.1924 Proper cube action: Redouble, take
OK so I felt that in the actual position, my side (Blue) was about 2 pips worse than a perfect speed board (actual# is 1.5 pips) and I felt that White was (after much thought and finally noticing the wasted roll when small nembers get thrown a couple of times 3 pips worse than the best 28 pip position (note White has 29 pips)(actual# is 2.7 pips) so I was really leaning toward this be a clear technical take and when I realized that these adjustments lengthen the race slightly and add a bit more vol., I had to take.
I took and Carter rolled 54 and 44 and sent me into the Conso where I finished 2nd .. neilkaz ..
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