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65R-41 4 ply rollout

Posted By: Nack Ballard
Date: Monday, 3 May 2010, at 7:34 p.m.

In Response To: 65R-41 4 ply rollout (neilkaz)

Paul's post in this thread reminds me to mention that...

A big reason (and I often see it missed by analysts) that it is better to slot the 5pt after Opp runs with 65 (as opposed to the opening position) is precisely because of 41: Opp can't play U (Up, 24/20* 24/23); assuming she hits she must leave an offensive blot with the ace. (To be clear, I'm comparing 65R-21, 65R-41 and 64R-51, to opening 21, 41 and 51, respectively.)

A roll earlier, a similar theme exists in support of opening 64P, which blocks Opp's otherwise-best replies with 51 and 41. However, with 65R-xx$-41, there will be a blot entering from the roof, translating to more shots in the very area of the board Opp must play anyway and therefore the blow dealt to 41 is substantially greater.

Nack

Messages In This Thread

• 65R-41 4 ply rollout
  neilkaz -- Monday, 3 May 2010, at 2:58 a.m.
  • 65R-41 data
    Nack Ballard -- Monday, 3 May 2010, at 4:08 a.m.
    • 65R-41 — Gammon Save — 2-ply GnuBg Rollout
      Taper_Mike -- Friday, 14 September 2012, at 12:34 a.m.
  • 65R-41 4 ply rollout
    Bob Koca -- Monday, 3 May 2010, at 5:08 a.m.
    • 65R-41 4 ply rollout
      Stick -- Monday, 3 May 2010, at 5:19 a.m.
    • GnuBG rollouts' slot bias
      Nack Ballard -- Monday, 3 May 2010, at 7:33 a.m.
  • 65R-41$-41
    Paul Weaver -- Monday, 3 May 2010, at 3:36 p.m.
    • 65R-41$-41
      David Rockwell -- Monday, 3 May 2010, at 4:04 p.m.
      • 65R-41$-41
        Casper van der Tak -- Monday, 3 May 2010, at 4:14 p.m.
      • 65R-41$-41
        neilkaz -- Monday, 3 May 2010, at 7:40 p.m.
    • 65R-41$-41
      Nack Ballard -- Monday, 3 May 2010, at 7:18 p.m.
  • 65R-41 4 ply rollout
    Nack Ballard -- Monday, 3 May 2010, at 7:34 p.m.