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A slightly less developed well timed 42 backgame for BOT comparisons.

Posted By: neilkaz
Date: Wednesday, 1 July 2009, at 5:22 p.m.

I wouldn't cube this OTB as the timing is too good and it is too easy to lose.

Snowie says this is .370 cubeless and also ND. D/T is .419 while leaving the cube alone is .505. Thus we see Snowie and GNU evals are very close here.

XBG says this pos is .402 cubeless and also ND. D/T is .509 while ND is .546.

JF is doing a better job here and says .437 cubeless and also ND!

What does BGB say on 3 ply?

Anyhow, I am observing that XBG's evaluation of backgames has improved significantly from when I saw earlier prototypes in past years. However, many positions need to be cross checked with Snowie and GNU and rollouts.

The score (after 0 games) is: Opp 0, Neil Kazaross 0

Move number 4: Neil Kazaross on roll, cube decision?

Pip counts: Opp 169, Neil Kazaross 84
Position ID: aNsCghmcdzcAAA Match ID: cAkAAAAAAAAA

• Neil Kazaross doubles

Alert: wrong double ( -0.0800)!

Cube decision
2-ply cubeless equity		+0.3663
	0.5608 0.2810 0.0114 - 0.4392 0.0476 0.0002
Cubeful equities:
1.	No double	+0.5141
2.	Double, pass	+1.0000	+0.4859
3.	Double, take	+0.4341	-0.0800
Proper cube action:		No double, take (14.1%)

Messages In This Thread

• A slightly less developed well timed 42 backgame for BOT comparisons.
  neilkaz -- Wednesday, 1 July 2009, at 5:22 p.m.
  • A slightly less developed well timed 42 backgame for BOT comparisons.
    Neil Robins -- Wednesday, 1 July 2009, at 7:10 p.m.
    • Rollout shows that the BOTs are pretty good here
      neilkaz -- Thursday, 2 July 2009, at 3:41 p.m.