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Thread: Weekly competition 2007-30 (2,3,3OH,4,5,BF,SQ1,MG,FMC,MM,PM)

  1. #21
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    Quote Originally Posted by Mike Hughey View Post
    I'm a bit suspicious that maybe Arnaud's method of edge-matching is actually superior to the BigCubes.com method, but since his method isn't currently used by any of the really fast-hands people, we can't see just how efficient it is.
    Time to experiment and count moves!

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    Quote Originally Posted by Mike Hughey View Post
    I really like Arnaud's method for edge matching. You might consider trying it. I have video of him, ExoCorsair, and Lars Vandendbergh doing 5x5x5 solves at the US Open, and the thing you can't help noticing is how much slower Arnaud turns the cube relative to the others. And yet his edge-matching is almost as fast as theirs! I'm a bit suspicious that maybe Arnaud's method of edge-matching is actually superior to the BigCubes.com method, but since his method isn't currently used by any of the really fast-hands people, we can't see just how efficient it is.
    can i find those vids anywhere? If not, could you mail me them or something? Do you have a lot other USO vids?
    getting lucky is not a crime....

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    Administrator masterofthebass's Avatar
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    mitchell has some on his site www.opticubes.com, but that's why I've been trying to get relearn Arnaud's method. He showed me at the US Open, but I forgot the intricacies of the method. Granted, Arnaud does not really move any cube extremely fast, and he still is there. I just finished doing a bunch of 5x5 solves, and I was able to get 30-35 second centers and sub 30 3x3s, but my edges killed everyone of my times (65-70). Getting Arnaud's method into a fast-handed person could prove to be powerful.

    Nvm... mitchell didn't have any 5x5 vids. O well.

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    Quote Originally Posted by masterofthebass View Post
    Getting Arnaud's method into a fast-handed person could prove to be powerful.
    isn't it proven already then?
    getting lucky is not a crime....

  5. #25
    Super Moderator Mike Hughey's Avatar
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    Quote Originally Posted by Erik View Post
    can i find those vids anywhere? If not, could you mail me them or something? Do you have a lot other USO vids?
    I still just have them on the computer in original DV format; I haven't tried converting them or uploading them yet. I'll have to see if I can get around to it - sorry, I'm rather lazy about it. I mostly taped the blindfold finals, and other than that I just have a few scattered videos, like the 3 5x5x5 solves I recorded.

    By the way, ExoCorsair, I've tried using both methods and counting moves, and I never expect it while it's happening, but it almost always works out to almost exactly the same number of moves. Arnaud's method actually seems worse at first, but the last 4 tredges in the bigcubes method wind up being enough moves to compensate so it works out the same. (Of course, the last 4 tredges are memorized algorithsm which go quickly, so from an execution perspective, you'd think it'd be quicker.) So the benefit one way or the other either is due to my not executing one of them optimally (which is certainly possible - I might even be doing both of them wrong!), or due to recognition or execution being quicker per edge one way or the other. But I'm not good enough to make any determination on that, unfortunately. Which is why it would be interesting for someone who's better at 5x5x5 to try to figure it out.

    ExoCorsair, maybe you were suggesting you were going to do just that. If not, would you consider it? I'd like to see how it works out in your (much more capable) hands. Or maybe you should do move counts for the bigcubes method and Arnaud should do them for his method, and then we can compare averages (to make sure good versions of the method are used in both cases).

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    Arnauds method does indeed have the same amount or sometimes a bit more moves, but this small disatvantage is blown away by the nice lookahead of the method, if I perfect my style and improve my lookahead skills a bit there should be exactly 0 delays in the pair-up phase
    getting lucky is not a crime....

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    Quote Originally Posted by Mike Hughey View Post
    ExoCorsair, maybe you were suggesting you were going to do just that. If not, would you consider it? I'd like to see how it works out in your (much more capable) hands. Or maybe you should do move counts for the bigcubes method and Arnaud should do them for his method, and then we can compare averages (to make sure good versions of the method are used in both cases).
    I meant that I was going to experiment and count moves.

    Either way, results should be interesting (as yours is already). Although your results pretty much match what I initially suspected...

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    I finally had a little while to do the comp.:
    3x3 Speedsolve:
    16.86 (14.08) 20.94. 16.84 (POP)
    Avg: 18.21
    The 20.94 was a minor pop but I was able to fix quick. The last POP was huge, so I just said screw solving. All were full non-lucky solves, without warmups. I am satisfied.

    BTW Arnaud, I have still be confirming the FM posts each week, just so you know

  9. #29
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    About my 5x5x5 edge pairing method: I made a comparison with Ron and it turned out that he uses about 75 moves using the bigcubes method and I use about 80 moves. The move count of my method is greatly depending on the 50% chance of parity. If you end up with 3 semi-pairs you don't have parity and save 12 moves.

    As Erik explained the good part about my method is the look-ahead. You don't start with a center and then try to find to wings (2 out of 24 pieces), but you start with a wing and try to find the center (1 out of 12). Then while you are setting up that center you know what the the next wing is so you can already look for the next center (1 out of 12) and so on. Finding 1 out of 12 pieces is easier than 2 out of 24 pieces and you can find the pieces while you move the cube.

    Doing 80 moves in about 60 seconds should be possible for everyone that practises for a while.

    Finally for those that don't know, Erik is using my method and has fast hands. His times for this week:
    5x5: (1:39.91), (2:01.06), 1:50.59, 1:53.25, 1:44.69 => 1:49.51

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    o, i didn't realize that erik was using that method... I guess it can compete with bigcubes.com

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