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ProStar

Member
Joined
Oct 27, 2019
Messages
4,048
Location
An uncolonized sector of the planet Mars
WCA
2020MAHO01
I don't know if you should listen to me, as I am 1:45 average, but helped drop my time by 45 seconds was not doing the 3 white cross edges and skipping to the 4 other centers. This is for me, but when I work on the 4 middle centers, I always mess up the cross edges, so that's why I just solve all of the edges after I finish the centers.
Stop doing that. Trust me, it's worse than Yau. I did that for a while since it was quicker and when I switched it took a while. It's slower right now since you're not used to it, but please use normal Yau right now, it'll save you a lot of headache in the end.
 

Nmile7300

Member
Joined
Jul 23, 2019
Messages
363
Location
Arizona
WCA
2019MILE04
Anything specific I can do to improve my cross edges(Yau)?
The main thing that helped me was making sure you always look for the first cross edge while you finish up the first two centers. Other that that I would say just turn a bit slower than you would during last four centers or the rest of the solve.
 

xyzzy

Member
Joined
Dec 24, 2015
Messages
1,898
How does OPA work? I couldn't find any info on it
Time for you kids to learn some Chinese.

Trace cycles like in 4BLD to determine parity, and keep track of parity up until you have three centres solved. Every quarter wide/slice move toggles parity, while outer-layer moves and half wide/slice moves don't affect parity. Adjust the solution of the third centre so that there is even edge parity there, and you're done. (With Yau, that really means tracking parity throughout F2C, 3/4 cross, and one more centre. This is obviously really hard. This is easier with Hoya or redux.)
 
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