How would you solve this case BLD?

Discussion in 'Blindsolving Discussion' started by reThinking the Cube, Feb 19, 2012.

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  1. reThinking the Cube

    reThinking the Cube Member

    294
    0
    Dec 11, 2009
    I'm curious to compare some different approaches (M2, TuRBo, BH, etc.) for the following position:
    Please show your method for solving these edges -

    Scramble: D U R2 D2 L' D U' R B L U2 R' U' L' F

    [cube]&size=150&pzl3&alg=DUR2D2L'DU'RBLU2R'U'L'F" [/cube]
     
  2. Zane_C

    Zane_C Premium Member

    M2:
    DF>UB: M2
    DF>FU: D M’ U R2 U’ M U R2 U’ D’ M2
    DF>UF: U2 M' U2 M'
    DF>BU: x' U' R U x U R2 U' (M2) U R2 U' x' U' R' U x
    DF>FL: U' L' U (M2) U' L U
    DF>LB: x' L' U L U' (M2) U L' U' L x
    DF>LF: x' U L2 U' (M2) U L2 U' x
    DF>BR: U R' U' (M2) U R U'
    DF>FR: U R U' (M2) U R' U'
    DF>RB: x' R U' R' U (M2) U' R U R' x
    Flip UR: F2 (R' U2 R2 U R' U' R' U2 Rw U R U' Rw') F2

    TuRBo:
    UF>BU>DB: x' U' L R' x (U' R U R' U' M' U R U' Rw' U) x' R L' U x
    UF>FR>RB: R Bw (U' Rw U R' U' M U R U' R' U) Bw' R'
    UF>RF>LF: R L' (M U' M' U2 M U' M') L R'
    UF>BL>FL: L' Bw' (M U M' U2 M U M') Bw L
    Flip UR: R' U2 R2 U R' U' R' U2 Rw U R U' Rw'

    3style:
    UF>BU>DB: x' U' Rw R' (U' R U R' U' M' U R U' Rw' U) R Rw' U x - This is one of my least favourite cases. If anyone has something they think is faster, please share.
    UF>FR>RB: R U' R' E' R U R' E
    UF>RF>LF: x U2 (R2 U R U R' U' R' U' R' U R') U2 x'
    UF>BL>FL: x' U' M' U L2 U' M U L2 x
    Flip UR: R' U2 R2 U R' U' R' U2 Rw U R U' Rw'
     
    Last edited: Feb 19, 2012
  3. aronpm

    aronpm Member

    2,021
    0
    Sep 9, 2009
    If you're going to scramble in that orientation, so will I.

    3style:
    x2 U' R2 U' M U R2 U' M' U2
    y z L' U M' U' L U M U' z'
    x M U M' U2 M U M' x'
    z' U2 M' U' R U M U' R' U' z
    x' U' M U2 M' U' x
     
  4. JasonK

    JasonK Premium Member

    1,333
    0
    Oct 31, 2010
    Melbourne, AUS
    WCA:
    2011KILB01
    Method: M2 with some extra stuff

    Scramble in WG
    x2
    F E R U R' E' R U' R' F' M2
    U2 M' U2 M'
    U R U' M2 U R2 U' M2 U R U'
    B2 R2 B M2 B' R2 B M2 B
    U' L' U M2 U' L2 U M2 U' L' U
    x2 y Rw U R' U' Rw' U2 R U R U' R2 U2 R
     
  5. AbstractAlg

    AbstractAlg Member

    373
    0
    Oct 30, 2011
    Belgrade, Serbia
    WCA:
    2012OKAN02
    YouTube:
    AbstractAlgorithm
    x' U2 M' U2 M x
    z M2 U2 M2 U2 z'
    flip UF-UB
    U' flip UB DB U
    flip RB LB
    when I spot certain patterns, I try to execute them together in some way.
     
  6. riffz

    riffz Member

    2,068
    0
    Oct 3, 2008
    Toronto (Canada)
    WCA:
    2009HOLT01
    YouTube:
    riffz
    I scrambled in my solving orientation. Solved 3style.

    Flip UR: U x M' U M' U M' U M' U2 M' U M' U M' U M' x' U'
    DF>UB>BD: x' F U R U' M U R' U' M' F' x
    DF>UF>BU: y' R2 U' M' U R2 U' M U y
    DF>FR>RB: z' U' R U M U' R' U M' z
    DF>RF>LB: z' M' U R U' M2 U R' U' M' z
    DF>LF>BL: z M' U' L' U M U' L U z'

    I'm not sure if you'll find this faster but this is what I would do:

    y U2 R2 U' M' U R2 U' M U' y'
     
    Last edited by a moderator: Feb 19, 2012
  7. Kirjava

    Kirjava Colourful

    6,129
    3
    Mar 26, 2006
    WCA:
    2006BARL01
    YouTube:
    snkenjoi
    R2 E2 R2 E2
    y x' R S R F2 R' S' R F2 R2
    flip four edges
     
  8. reThinking the Cube

    reThinking the Cube Member

    294
    0
    Dec 11, 2009
    @all, thanks for the solves - they are all very interesting to me.

    UF>BU>DB is [CQW]: [F:URU',M] is faster

    re: D U R2 D2 L' D U' R B L U2 R' U' L' F

    [CQWi]: FURU'MUR'U'M'F'
    [Jt.Lr]: R2E2R2E2
    [birt]: xy (U'R) (M'U')4 (R'U)
     
    Last edited: Feb 20, 2012
  9. cmhardw

    cmhardw Premium Member

    4,089
    9
    Apr 5, 2006
    Atlanta, Georgia
    WCA:
    2003HARD01
    BH:
    x' y [L2, U' M U] y' x
    z [U' R' U, M] z'
    x y' [U L2 U', M] y x'
    x [R2, U M2 U'] x'
    x' r R U R' U' r' U2 R U R U' R2 U2 (x)
     
  10. A Leman

    A Leman Member

    631
    1
    Jan 22, 2012
    New Jersey
    Because this was a very easy edge case, I didn't need to memo and did the following
    y2
    R2 E2 R2 E2
    D U R2 U' M' U R2 U' M D'
    X' D' L' (M U')*4 L D

    Also for Zane
    I like x' D M' U R2 U' M U R2 U' D' x
    You probably already know this alg, but rotations can make everyone lose some good algorithms
     
  11. Zane_C

    Zane_C Premium Member

    Thanks riffz, reThinking the Cube and Lemon for the suggested algs. :)
    I'm going to choose this, it's the fastest and most intuitive approach for me.
     
  12. reThinking the Cube

    reThinking the Cube Member

    294
    0
    Dec 11, 2009
    x' y [L2, U' M U] y' x

    that is elegant! your buffer is different than mine [C v. A] nice.

    @3-stylers (chrishardw,aronpm,riffz)

    Noted: fearless cube rotations to get better algs, with no sign of the seasickness that would be expected from trying to keep track of a blindfold buffer that is hoping around like a flea on a hot skillet. So it baffles me more than a blown transmission on a 1970 Maytag, that you avoided the rather obvious shortcut (R2 E2 R2 E2), and wasted a lot of time by 3-cycle shooting this permutation.

    Is there something about your method that makes it hard to take advantage of easy 2x2-cycles?
     
  13. aronpm

    aronpm Member

    2,021
    0
    Sep 9, 2009
    As someone who is actually fast at BLD, and has gotten cases like this in solves, I would say that the extra time to think about the different solution makes the solve slower. It's the same reason why I would not do an R2 premove to solve a 1x2x2 block in a BLD solve: it complicates memo and execution and just slows down the automatic solving process. However, that's not to say that just simply z'U2M2U2M2z, or a H/Z perm would not be something I would do. Doing that and then doing edge flips is a hassle.
     
  14. riffz

    riffz Member

    2,068
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    Oct 3, 2008
    Toronto (Canada)
    WCA:
    2009HOLT01
    YouTube:
    riffz
    What aron said.
     
  15. mariano.aquino

    mariano.aquino Premium Member

    Got a bit late...sorry!

    x' F E' R U R' E R U' R' F' x
    x R2 U M2 U' R2 U M2 U' x'
    z' U' L U M2 U' L' U M2 z
    x L2 U' M2 U L2 U' M2 U x'
    y' M' U' M U2 M' U' M' U' M' U2 M U' M2 y
     
  16. lucarubik

    lucarubik Member

    262
    0
    May 4, 2011
    Madrid, Spain, Spain
    WCA:
    2010BENI02
    YouTube:
    naker115
    U M' U M' U2 M U M U'
    L' U' L E L' U L E'
    E R U R' E' R U' R'
    R2 F M2 F' R2 F M2 F'
    Rw' U' R U Rw U2 R' U' R' U R2 U2 R'
    thats exactly how I would solve it today
     
  17. Damien Porter

    Damien Porter Member

    92
    0
    Aug 28, 2011
    Wollongong, Australia
    WCA:
    2012PORT01
    This is what I would do


    R2 E2 R2 E2

    U S U' B2 U S' U' B2

    U' M' B2 M B2 M' B M B2 M' B2 M B' U
     
  18. Ranzha

    Ranzha Friendly, Neighbourhoodly Staff Member

    POOP:
    EO
    [L': ((M' U)3 (M' U'))2]
    [x2 R': r U R' U' r' U2 R U R U' R2' U2' R]
    EP
    [z': [M2, U2]]
    [M, U2]
     
  19. ben1996123

    ben1996123 Banned

    4,976
    1
    May 17, 2009
    Ponyville
    WCA:
    2009WHIT01
    YouTube:
    ben1996123
    Using OP because bldnub:

    Jb [l:Jb] [l2:Jb] [l':Ja] [L':T] [dL':T] [d'L:T] [d'L':T] [d2L':T] [d2L:T]
     
  20. Ranzha

    Ranzha Friendly, Neighbourhoodly Staff Member

    I just realised I didn't OP the POOP.
    It was moar optimal permutation.
    Oops.
     

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