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Scramble : F' R D2 3R' R2 U2 3R2 2R' F2 D' 2B F' 3U L2 3R' 2U 2R2 2B2 3R R 3U R' D2 3R' R2 D 3R' U' 3F' F2 2D 3R 2B' D2 B 3F2 2F R2 2F2 3U 2B2 3F 3R2 R' B 2B' 3F 2U2 U 3R2 2B' F D U2 L B2 3F D 3F' 2F F2 3R2 2D' 3U B 2B' 3F D' 3U2 2U'

K4 and Yau share almost no similarities, the former is a block building and commutator based direct solving method and the later is an extension to reduction.. being good at one does not transpose to being good at the other because of this and as such you cannot compare them.

To clarify, Yau after reduction utilities standard 3x3 techniques, invariably CFOP derived OLL and PLL whilst k4 uses neither of these and is only Barely helped by knowing 3x3 ELL in those weird cases where edges happen to be paired after F3L.

K4 and Yau share almost no similarities, the former is a block building and commutator based direct solving method and the later is an extension to reduction.. being good at one does not transpose to being good at the other because of this and as such you cannot compare them.

ive been using a version i thought of
were you solve three of the corners with f2l edges,
solve the other edges with keyhole and than solve the final f3l pair

ive been using a version i thought of
were you solve three of the corners with f2l edges,
solve the other edges with keyhole and than solve the final f3l pair

That sounds interesting, I sometimes do wide U's if I have an obvious edge pairing I can abuse but not commonly.. currently I'm trying to learn COLL and a load more ELL tricks to make the end of my solves smoother.

I was lucky enough to have Thom teach me a couple ELL tricks back in 2011 so it was the first part of the method I really learnt, I also believe diluting the method is heresy

I also don't use CFOP on 3x3, instead favouring Roux and increasingly LBL (Unsuprisingly) .. as such I do not know OLL or PLL (I think I know maybe 9 OLLs and 6 PLLs) which helps a lot when trying to not intentionally reduce bigger puzzles down to a 3x3 as it would slow me down.

I was lucky enough to have Thom teach me a couple ELL tricks back in 2011 so it was the first part of the method I really learnt, I also believe diluting the method is heresy

I also don't use CFOP on 3x3, instead favouring Roux and increasingly LBL (Unsuprisingly) .. as such I do not know OLL or PLL (I think I know maybe 9 OLLs and 6 PLLs) which helps a lot when trying to not intentionally reduce bigger puzzles down to a 3x3 as it would slow me down.

OH PB! 13.65 single!! previous one was 14.78
Really lucky with a LL skip
Recon-
x2 y'//inspection
R2 D x U' R' U2 x' D2// cross
U2 R U' R' U R U R'// 1st pair
R' U2 R y U' R U R'//2nd pair
y2 L' U L U2 R U2 R' U y' R' U R//3rd pair
U2 R U2 R' U' R U R'//4th pair

Also I dropped my average from about 28-27 secs to 22-23 secs just by practising from the during this lockdown period. Hope to get sub-20 by the end of the year.