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51S-21-g Can this possibly be right?

Posted By: Nack Ballard
Date: Sunday, 9 January 2011, at 6:33 p.m.

In Response To: 51S-21-g Can this possibly be right? (Philip Cherrington)

51S-21 g[\$ D12 U16 S17]e (XG 7-ply)... can this possibly be right?

Are you surprised that \$ wins or that it wins by so little? GnuBG's rollout even has \$ winning for money. Data for 52S-21 is

[U \$20 S23 D35] ~31*20 5
[\$ U3 D28 S34] /92 46 5
[U \$11 S22 D30 V46] <62*15*2
[U \$6] ^15

d[\$ U13 S22] /15*5
g[\$ D36 S42 U48] /5

Key: U = Up (24/21), \$ = Slot (13/11 6/5), S = Split (24/23 13/11, D = Down (13/10), V = Variant-Up (24/23 24/22). Margins are in thousandths. Before brackets, d = dmp, g = go; else assume money. After brackets is a bot symbol (~ Snowie, / GnuBG, < XG 3-ply, ^ XG 4-ply) and the number of trials in thousands, rounded down (asterisk repeats a number).

For example, "g[\$ D36 S42 U48] /5" means that at (gammon) go, \$ is best, D is -.036, S is -.042 and D is -.048, in a GnuBG rollout of 5000+ trials.

Related positions: 21S-21 g[\$ S11 U36] /15*5; and 41S-21 d[\$ S7 U17] /20*10, g [\$ S11] /15.

Nack

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