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OTB and short rollout

Posted By: Timothy Chow
Date: Tuesday, 15 December 2009, at 9:55 p.m.

In Response To: Money game: 41S-65R-43 (Timothy Chow)

Over the board, I reasoned as Rich did. White is ahead in the race, but with an inflexible position. So I want to maximize contact and build my board, hoping that White will be forced to leave a shot and that I'll hit it. I don't have any need for defense yet. Stripping the 8-point is admittedly a price I need to pay, but I think it's worth it. My play: 9/5 8/5.

I was surprised that GNU 4-ply thought my play was a 0.021 error. The rollout below reverses that verdict, but it's not long enough to be reliable. I hope Stick and/or Paul will chime in with more information. (Stick, we're really building up a backlog of work for you to do when you get back home in mid-December!)

gnubg	156
tchow	162
Position ID: 4HPwAyDgc+EBKA Match ID: cAkOAAAACAAA

#		Ply	Move	Equity
•	1	R	9/5 8/5	+0.104
Â			0.512 0.160 0.005 - 0.488 0.101 0.004 +0.084 +0.104 0.001 0.002 0.001 - 0.001 0.002 0.000 0.004 0.010	Â
Â			Full cubeful rollout with var.redn.	Â
Â			1296 games, Mersenne Twister dice gen. with seed 839887856 and quasi-random dice	Â
Â			Play: supremo 2-ply cubeful prune [world class]	Â
Â			keep the first 0 0-ply moves and up to 16 more moves within equity 0.32	Â
Â			Skip pruning for 1-ply moves.	Â
Â			Cube: 2-ply cubeful prune [world class]	Â
Â	2	R	24/20 23/20	+0.093 ( -0.011)
Â			0.514 0.108 0.003 - 0.486 0.055 0.001 +0.082 +0.093 0.001 0.002 0.001 - 0.001 0.001 0.001 0.004 0.010	Â
Â			Full cubeful rollout with var.redn.	Â
Â			1296 games, Mersenne Twister dice gen. with seed 839887856 and quasi-random dice	Â
Â			Play: supremo 2-ply cubeful prune [world class]	Â
Â			keep the first 0 0-ply moves and up to 16 more moves within equity 0.32	Â
Â			Skip pruning for 1-ply moves.	Â
Â			Cube: 2-ply cubeful prune [world class]	Â

Messages In This Thread

• Money game: 41S-65R-43
  Timothy Chow -- Tuesday, 15 December 2009, at 12:04 a.m.
  • Money game: 41S-65R-43
    neilkaz -- Tuesday, 15 December 2009, at 12:23 a.m.
  • Money game: 41S-65R-43
    Rich Munitz -- Tuesday, 15 December 2009, at 12:44 a.m.
  • Money game: 41S-65R-43
    Nack Ballard -- Tuesday, 15 December 2009, at 2:44 a.m.
    • Money game: 41S-65R-43
      Matt Cohn-Geier -- Tuesday, 15 December 2009, at 3:34 a.m.
    • Money game: 41S-65R-43
      neilkaz -- Tuesday, 15 December 2009, at 3:16 p.m.
  • Money game: 41S-65R-43
    David -- Tuesday, 15 December 2009, at 3:21 a.m.
  • Money game: 41S-65R-43
    Chuck Bower -- Tuesday, 15 December 2009, at 3:11 p.m.
  • OTB and short rollout
    Timothy Chow -- Tuesday, 15 December 2009, at 9:55 p.m.
    • OTB and short rollout
      Nack Ballard -- Wednesday, 16 December 2009, at 12:11 a.m.
      • OTB and short rollout
        Nack Ballard -- Wednesday, 16 December 2009, at 7:28 p.m.
    • It would be nice if you have time to lengthen this..maybe to 10k *NM*
      neilkaz -- Wednesday, 16 December 2009, at 8:26 p.m.
    • XG RO?
      onur alan -- Monday, 9 December 2013, at 10:07 p.m.
      • 41S-65R-43 RO
        David Rockwell -- Monday, 9 December 2013, at 11:40 p.m.
        • Other moves where P is correct
          David Rockwell -- Monday, 9 December 2013, at 11:49 p.m.
          • 41S-51S-43 — Unlimited Games — 3-ply XG2 Rollout
            Taper_Mike -- Tuesday, 10 December 2013, at 4:45 a.m.
      • 41S-65R-43 — Unlimited Games — XG2 Rollout
        Taper_Mike -- Tuesday, 10 December 2013, at 4:23 a.m.