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Long, whiney commentary and RO

Posted By: Chuck Bower
Date: Thursday, 13 September 2007, at 4:37 p.m.

In Response To: checkerplay decision vs. Gregg in Madison (Chuck Bower)

(If you want to avoid hearing me drone, skip to the bottom for the RO result).

There are many endeavors where you would be better off if you could just erase and restart from scratch. Golf is a great example. Most people play golf like shit and a lot of them do that because they developed bad habits when they first started and those habits have become ingrained in their brains, forever.

Back in the late 70's I read all the BG books ravenously. With the exception of Magriel (still today a great book), the best were mediocre, the good were bad, and the bad were horrible. But we didn't have bots to help us differentiate. Somewhere along the line I learned that once you start a blitz or attack you shouldn't change horses midstream -- continue the attack/blitz until it either succeeds or fails (unfortunately the latter usually will be catastrophic). So I started thinking about the posted position with that bad habit ingrained in my aging brain.

Another thing we're taught, even today, is "when in doubt, hit" which has also been said in other ways, like "unless there is NO doubt, hit!", "it's almost always right to hit", and "see a blot, just hit it." I have a love/hate relationship with this axiom but it certainly entered my mind strongly when this position arose.

So I hit and looked around for a four, hemming and hawing but finally choosing the optimistic 13/9. Gregg didn't cooperate by staying on the bar, unfortunately for me. :(

The score (after 0 games) is: Gregg_Cattanach 0, Chuck_Bower 0 (match to 9 points)

Move number 19: Chuck_Bower to play 54


 '1O2X2O2X2X '2X '3X '2O

2O2O ' '1X2O '3O '1O '3X

Pip counts: Gregg_Cattanach 133, Chuck_Bower 143
Position ID: zGaOAwIb5sQAEw Match ID: cIkyAQAAAAAA

• Chuck_Bower moves 13/9 10/5*

Cube decision
2-ply cubeless equity -0.4771(Money: -0.4768)
0.2929 0.0711 0.0009 - 0.7071 0.1313 0.0033
Cubeful equities:
2-ply cubeful prune [world class]
1.No double -0.7901
2.Double, pass +1.0000 +1.7901
3.Double, take -1.6421 -0.8520
Proper cube action:No double, take (32.2%)

Alert: very bad move ( -0.190)

# Ply Move Equity
1 R 10/6 8/3 -0.8098
0.28560.04380.0006-0.71440.11090.0043 -0.5055 -0.8098
0.00050.00040.0000-0.00050.00070.0002 0.0013 0.0035
Full cubeful rollout with var.redn.
10030 games, Mersenne Twister dice gen. with seed 1070227840 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]
2 R 23/18 10/6 -0.8241 ( -0.0142)
0.27680.04570.0009-0.72320.10150.0042 -0.5104 -0.8241
0.00050.00040.0001-0.00050.00070.0002 0.0012 0.0034
Full cubeful rollout with var.redn.
10031 games, Mersenne Twister dice gen. with seed 1070227840 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]
3 R 23/14 -0.8861 ( -0.0762)
0.27300.03960.0007-0.72700.11920.0036 -0.5429 -0.8861
0.00160.00110.0001-0.00160.00230.0004 0.0038 0.0112
Full cubeful rollout with var.redn.
913 games, Mersenne Twister dice gen. with seed 1070227840 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]
4 R 13/9 10/5* -1.0000 ( -0.1902)
0.28030.08010.0010-0.71970.22920.0112 -0.5999 -1.0000
0.00000.00000.0000-0.00000.00000.0000 0.0000 0.0000
Full cubeful rollout with var.redn.
432 games, Mersenne Twister dice gen. with seed 1070227840 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]
5 2 10/5*/1 -0.9624 ( -0.1526)
0.2695 0.0461 0.0004 - 0.7305 0.1504 0.0032
2-ply cubeful
6 2 13/8 10/6 -1.0000 ( -0.1902)
0.2415 0.0349 0.0003 - 0.7585 0.1299 0.0024
2-ply cubeful
7 2 10/1 -1.0000 ( -0.1902)
0.2447 0.0326 0.0002 - 0.7553 0.1404 0.0025
2-ply cubeful
8 2 10/5* 8/4 -1.0000 ( -0.1902)
0.2721 0.0759 0.0010 - 0.7279 0.2420 0.0105
2-ply cubeful
9 2 23/18 8/4 -1.0000 ( -0.1902)
0.2520 0.0499 0.0007 - 0.7480 0.1907 0.0068
2-ply cubeful
10 2 13/9 13/8 -1.0000 ( -0.1902)
0.2345 0.0433 0.0005 - 0.7655 0.1745 0.0045
2-ply cubeful

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