Fewest Moves Asian Record 17 moves single and 21.67 mean by Yiwei Liu

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Competition: Tianjin Summer Solstice 2021
Attempts: 25, 23, 17 = 21.67 mo3

Result link: https://cubingchina.com/live/Tianjin-Summer-Solstice-2021#!/event/333fm/f/all
Reconstruction: https://mp.weixin.qq.com/s/7HNpHPiUqBGHcAO9UI-YJA
Her WCA Profile: https://www.worldcubeassociation.org/persons/2012LIUY03
Her channel: https://www.youtube.com/channel/UCqEJnKoQT9SZj5u8rW8MvFA/videos (Since this was a FMC attempt, there will not be any video of it.)

fmcasr.jpg


She beats the current AsR single by 2 moves and mean by 1 move (previously held by Fush), and her PR single by 5 moves and mean by 4.33 moves.

The attempt was just 1 move off from the WR single and 0.67 moves off the WR mean. This attempt makes her WR#2 in both single and mean.
 

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Can anyone explain what is going on? I'm just trying to analyze it for myself and some things just don't make sense. It's almost like magic.
From what I can tell, the entire solve is done on the inverse scramble. Then the final solution is reversed to solve the original scramble

F' U R U' F' U' D' B' R B2 L U2 F' B2 D2 L F2 U2 B2 D2 B2 R' F' U R // Scramble (inverse)
B2 U' B // EO (Edge Orientation)
R2 D F2 D2 U L' // DR (Domino Reduction)
U2 F2 L2 D R2 U F2 U' // Finish
 
From what I can tell, the entire solve is done on the inverse scramble. Then the final solution is reversed to solve the original scramble

F' U R U' F' U' D' B' R B2 L U2 F' B2 D2 L F2 U2 B2 D2 B2 R' F' U R // Scramble (inverse)
B2 U' B // EO (Edge Orientation)
R2 D F2 D2 U L' // DR (Domino Reduction)
U2 F2 L2 D R2 U F2 U' // Finish

Aahh! I see. The ole inverse scramble ploy! That is something I never think about trying. Gotta do more studying. Thanks!
 
Aahh! I see. The ole inverse scramble ploy! That is something I never think about trying. Gotta do more studying. Thanks!
Yeah, this is actually a remarkably straightforward solution, no NISS, no insertions, just straight DR on the inverse. The reason I tried the inverse was that there were a lot of domino-type moves at the beginning of the solution.
 
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