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Nactations of 21$-65R-43C-21H-11 — December 2011 Update

Posted By: Nack Ballard
Date: Thursday, 22 December 2011, at 11:40 a.m.

In Response To: 21$-65R-43C-21H-11 (Taper_Mike)


1O ' ' '1X4X '3X ' '1X4O

1X ' ' '2O4O '2O ' '1O5X

21$-65R-43C-21H-11


Very thorough, and accurate!

Nice catch on Bar/22 6/5 being the fifth member of the E family. I think the candidate I overlooked was the fourth member: the point-shifting bar/24 6/4 5/4.

In the early game, it is usually better to split the back checkers on the 24pt+22pt or 24pt+23pt rather than being anchored on the 24pt (or 23pt), and as a consequence strong candidates for double 1s with deep back checkers can get pushed down. I once gave consideration to adding an exception to the most points convention for the two deepest points but decided against it -- I'm pretty selective about Nactation rules.

By the way, when there is no play that can be made with a non-underlined family, it is okay to omit the underscore from the underlined family. Technically that is not the case here, because bar/24 11/10 8/6 and bar/24 8/7 8/6 are G, but those moves are so bad that I feel comfortable using (non-underlined) G for bar/24 8/7(2) 6/5 here (except for communicating with a computer). Admittedly, it's a judgment call where to draw the line.

Instead of (bold font) E, the Nactation f is an option. That is, F = Bar/24 8/7(2) 6/5, f = Bar/23 24/23 6/5, F = Bar/24 11/9 6/5, and f = Bar/22 6/5. As a style letter (and with no underline), F is easier to grasp, and f is a fourth (instead of fifth) member. Note that the use of the F family also includes some G-family plays, transcending the issue of whether to underline the G.

The nacbrac for Miran's 21$-65R-43C-21H-11 rollout is

    [f U2 B22 F24 s30 V34 Y37] <20*10*5

None of the underscores for your lower case underlined g's look visible, at least not in my IE browser. It might be worthwhile switching to a different font even if only when typing an underlined g. Below are some popular fonts (alphabetically listed); as you can see the underscore shows up better with some than with others.

    g..arial
    g..baskerville old face
    g..bookman
    g..calibri
    g..cambria
    g..century
    g..century gothic
    g..century schoolbook
    g.consolas
    g.courier
    g.courier new
    g..garamond
    g..palatino
    g..rockwell
    g..times
    g..times new roman
    g.verdana

Nack

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