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FIBS Board backgammon forum

Backgammon => Fibsboard Forum Matches => FFM1 => Topic started by: blitzxz on April 02, 2009, 04:05:59 PM

Poll
Question: 5-2?
Option 1: bar/18 votes: 0
Option 2: bar/20 13/11 votes: 1
Option 3: bar/20 24/22 votes: 3
Option 4: bar/23 13/8 votes: 5
Title: Match 1, Game 1, Move 3
Post by: blitzxz on April 02, 2009, 04:05:59 PM
5-2?

(Doubling system has changed because the first one was complitely flawed. Check guidelines. But no more changes after that.  :) )
Title: Re: Match 1, Game 1, Move 3
Post by: blitzxz on April 04, 2009, 05:54:01 PM
bar/23 13/8 wins the vote.

What forum needs here is a advanced anchor but all the alternatives work for that. bar/20 24/22 look like a best way to get the anchor but gives many very good rolls for factotum. Same problem is with the other options except the safe play bar/23 13/8 which is forum's choice and also best according to gnu rollout with small margin.

Spoiler
1. Rollout          bar/23 13/8                  Eq.:  -0,348
       0,405 0,131 0,004 - 0,595 0,158 0,011 CL  -0,232 CF  -0,348
      [0,002 0,002 0,000 - 0,002 0,002 0,001 CL   0,005 CF   0,011]
        Full cubeful rollout with var.redn.
        1296 games, Mersenne Twister dice gen. with seed 821283348 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. Rollout          bar/18                       Eq.:  -0,374 ( -0,026)
       0,407 0,116 0,004 - 0,593 0,155 0,009 CL  -0,243 CF  -0,374
      [0,002 0,002 0,001 - 0,002 0,002 0,001 CL   0,004 CF   0,010]
        Full cubeful rollout with var.redn.
        1296 games, Mersenne Twister dice gen. with seed 821283348 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. Rollout          bar/20 24/22                 Eq.:  -0,377 ( -0,029)
       0,402 0,124 0,005 - 0,598 0,166 0,009 CL  -0,248 CF  -0,377
      [0,002 0,002 0,001 - 0,002 0,002 0,001 CL   0,005 CF   0,012]
        Full cubeful rollout with var.redn.
        1296 games, Mersenne Twister dice gen. with seed 821283348 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. Rollout          bar/20 13/11                 Eq.:  -0,378 ( -0,031)
       0,402 0,133 0,006 - 0,598 0,174 0,012 CL  -0,260 CF  -0,378
      [0,002 0,002 0,002 - 0,002 0,002 0,001 CL   0,005 CF   0,011]
        Full cubeful rollout with var.redn.
        1296 games, Mersenne Twister dice gen. with seed 821283348 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]
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