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Posted By: David Rockwell
Date: Sunday, 4 April 2010, at 12:03 a.m.

In Response To: similar position - 61 to play (David Rockwell)

This rollout needs to be extended. It was partially complete and on my pending list when Neil posted 43S-61. I wanted to post it now in context rather than waiting. It does appear that hitting is also incorrect with the blot on the 14 point. I don't know why this position is different than the original either. I would guess that the weaker offensive position of the opener may have something to do with it.

We already know that hitting is wrong when the blot is moved to the eight (24-20, 13-8). So, if these rollouts hold, the only time it is correct to play 61X on the second roll is precisely after 43S.

The score (after 0 games) is: GNU_bg 0, user 0

Move number 2: user to play 61

GNU_bg	161
user	167
Position ID: 4HPkASHgc/ABMA Match ID: cAkHAAAAAAAA

• user moves 13/7 8/7

#		Ply	Move	Equity
•	1	R	13/7 8/7	-0.1196
			0.4742 0.1122 0.0046 - 0.5258 0.1360 0.0065 -0.0771 -0.1196 0.0010 0.0011 0.0002 - 0.0010 0.0012 0.0010 0.0028 0.0071
			Full cubeful rollout with var.redn.
			2890 games, Mersenne Twister dice gen. with seed 851012239 and quasi-random dice
			Play: supremo 2-ply cubeful prune [world class]
			keep the first 0 0-ply moves and up to 16 more moves within equity 0.32
			Skip pruning for 1-ply moves.
			Cube: 2-ply cubeful prune [world class]
	2	R	24/18 6/5*	-0.1272 ( -0.0076)
			0.4750 0.1168 0.0059 - 0.5250 0.1655 0.0086 -0.1015 -0.1272 0.0014 0.0012 0.0004 - 0.0014 0.0016 0.0009 0.0042 0.0106
			Full cubeful rollout with var.redn.
			2890 games, Mersenne Twister dice gen. with seed 851012239 and quasi-random dice
			Play: supremo 2-ply cubeful prune [world class]
			keep the first 0 0-ply moves and up to 16 more moves within equity 0.32
			Skip pruning for 1-ply moves.
			Cube: 2-ply cubeful prune [world class]
	3	R	13/7 6/5*	-0.1390 ( -0.0194)
			0.4684 0.1248 0.0054 - 0.5316 0.1592 0.0104 -0.1026 -0.1390 0.0013 0.0012 0.0005 - 0.0013 0.0014 0.0005 0.0036 0.0094
			Full cubeful rollout with var.redn.
			2890 games, Mersenne Twister dice gen. with seed 851012239 and quasi-random dice
			Play: supremo 2-ply cubeful prune [world class]
			keep the first 0 0-ply moves and up to 16 more moves within equity 0.32
			Skip pruning for 1-ply moves.
			Cube: 2-ply cubeful prune [world class]
	4	2	24/23 24/18	-0.1947 ( -0.0751)
			0.4556 0.0971 0.0032 - 0.5444 0.1564 0.0046
	5	2	13/6	-0.2239 ( -0.1043)
			0.4409 0.1088 0.0033 - 0.5591 0.1551 0.0063

Messages In This Thread

• 43S 61 RO
  neilkaz -- Friday, 2 April 2010, at 10:09 p.m.
  • 43S 61 RO
    John O'Hagan -- Friday, 2 April 2010, at 10:40 p.m.
    • 43S 61 RO
      Nack Ballard -- Friday, 2 April 2010, at 11:05 p.m.
      • 43S 61 RO
        jdg -- Saturday, 3 April 2010, at 2:36 p.m.
        • 43S 61 RO
          Nack Ballard -- Saturday, 3 April 2010, at 8:38 p.m.
  • 43S 61 RO
    Nack Ballard -- Friday, 2 April 2010, at 10:54 p.m.
    • Why X here, but H best after 54S? *NM*
      neilkaz -- Saturday, 3 April 2010, at 1:04 a.m.
      • Why X here, but H best after 54S?
        David Rockwell -- Saturday, 3 April 2010, at 1:20 a.m.
      • Why X here, but H best after 54S?
        John O'Hagan -- Saturday, 3 April 2010, at 1:53 a.m.
      • Please clarify your question
        Nack Ballard -- Saturday, 3 April 2010, at 2:07 a.m.
        • I forgot to say why is H best with 63 after 54S?
          neilkaz -- Saturday, 3 April 2010, at 3:27 a.m.
          • Here's why 43S-61X and 54S-63H
            Nack Ballard -- Saturday, 3 April 2010, at 10:49 a.m.
            • 43S-41
              David Rockwell -- Saturday, 3 April 2010, at 2:48 p.m.
              • 43S-41
                Nack Ballard -- Saturday, 3 April 2010, at 7:18 p.m.
              • 43S-41 XG 4 ply RO started *NM*
                neilkaz -- Sunday, 4 April 2010, at 3:21 a.m.
          • XG 4 ply RO 54S-63 is not close
            neilkaz -- Sunday, 4 April 2010, at 3:18 a.m.
            • 54S-63 data
              Nack Ballard -- Sunday, 4 April 2010, at 4:25 a.m.
  • similar position - 61 to play
    David Rockwell -- Saturday, 3 April 2010, at 12:55 a.m.
    • RO
      David Rockwell -- Sunday, 4 April 2010, at 12:03 a.m.
  • another similar position - 61 to play
    David Rockwell -- Saturday, 3 April 2010, at 12:57 a.m.
    • RO
      David Rockwell -- Saturday, 3 April 2010, at 11:55 p.m.
      • X vs P (for 4xS-61)
        Nack Ballard -- Sunday, 4 April 2010, at 3:00 a.m.