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BQ: What's the big deal? *** RO ***

Posted By: leobueno
Date: Tuesday, 27 November 2012, at 4:17 p.m.

In Response To: BQ: What's the big deal? (leobueno)

JSD > 4.

Why does such a seemingly inoccuous move make such a big equity difference?

The score (after 0 games) is: GNUbg 0, leobueno 0

Move number 3: leobueno to play 14

GNUbg	107
leobueno	127
Position ID: u3GEAQNsdoMDQA Match ID: cIkQAAAAAAAE

• leobueno moves bar/21 7/6

Cube decision
4-ply cubeless equity		-0.185
	45.5 8.4 0.2 - 54.5 18.0 0.1
Cubeful equities:
	4-ply cubeful prune [4ply]
1.	No double	-0.256
2.	Double, pass	+1.000	+1.256
3.	Double, take	-0.765	-0.509
Proper cube action:		No double, beaver (28.8%)

#		Ply	Move	Equity
•	1	R	bar/21 7/6	-0.027
			50.9 11.0 0.4 - 49.1 13.6 0.1 -0.005 -0.027 0.2 0.2 0.0 - 0.2 0.3 0.0 0.006 0.012
			Full cubeful rollout with var.redn.
			532 games, Mersenne Twister dice gen. with seed 698025998 and quasi-random dice
			Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
			Play: supremo 2-ply cubeful prune [world class]
			keep the first 0 0-ply moves and up to 16 more moves within equity 0.32
			Skip pruning for 1-ply moves.
			Cube: 2-ply cubeful prune [world class]
	2	R	bar/20	-0.096 ( -0.069)
			50.1 12.5 0.4 - 49.9 17.3 0.1 -0.042 -0.096 0.2 0.3 0.0 - 0.2 0.3 0.0 0.005 0.011
			Full cubeful rollout with var.redn.
			531 games, Mersenne Twister dice gen. with seed 698025998 and quasi-random dice
			Stop when best play is enough JSDs ahead: limit 4 (min. 360 games)
			Play: supremo 2-ply cubeful prune [world class]
			keep the first 0 0-ply moves and up to 16 more moves within equity 0.32
			Skip pruning for 1-ply moves.
			Cube: 2-ply cubeful prune [world class]
	3	2	bar/21 4/3	-0.337 ( -0.310)
			44.1 8.9 0.2 - 55.9 21.8 0.2
			2-ply cubeful prune [world class]
	4	0	bar/21 3/2	-0.380 ( -0.353)
			43.7 8.9 0.3 - 56.3 25.2 0.1
			0-ply cubeful prune [expert]
	5	0	bar/21 8/7	-0.473 ( -0.446)
			41.6 9.1 0.1 - 58.4 27.7 0.3
			0-ply cubeful prune [expert]

Messages In This Thread

• BQ: What's the big deal?
  leobueno -- Tuesday, 4 October 2011, at 11:59 p.m.
  • BQ: What's the big deal?
    Daniel Murphy -- Wednesday, 5 October 2011, at 12:21 a.m.
  • BQ: What's the big deal?
    Stick -- Wednesday, 5 October 2011, at 12:27 a.m.
  • BQ: What's the big deal? *** RO ***
    leobueno -- Tuesday, 27 November 2012, at 4:17 p.m.
    • BQ: What's the big deal? *** RO ***
      Daniel Murphy -- Tuesday, 27 November 2012, at 7:51 p.m.
      • BQ: What's the big deal? *** RO ***
        ah_clem -- Tuesday, 27 November 2012, at 8:34 p.m.
    • BQ: What's the big deal? *** RO ***
      Sam Pottle -- Tuesday, 27 November 2012, at 9:21 p.m.