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Alvin Hiu Yeung Cheng (鄭曉洋)

Rubik's WCA World Championship 2025

WCA ID: 2019YEUN01
Country: Hong Kong Hong Kong
Active since: 2019

13

Events Entered

55

Official Solves

7

Best Position (5x5x5 Blindfolded)

5x5x5 Blindfolded

Best Event

4:24.11

Best Result (5x5x5 Blindfolded)

5

PBs Achieved

Competition Event Summary

Event Round Reached Single Average Position
3x3x3 Cube First round 10.49s 12.02s #1122
2x2x2 Cube First round 3.22s 3.99s #787
4x4x4 Cube First round 46.83s — #956
3x3x3 Blindfolded Second round 24.55s 25.54s #35
3x3x3 Fewest Moves Final 21 moves 2300 moves #9
3x3x3 One-Handed First round 17.17s 20.44s #654
Clock First round 6.12s 8.07s #346
Megaminx First round 59.53s 1:00.59 #312
Pyraminx First round 3.03s 4.80s #342
Skewb First round 3.71s 5.89s #415
Square-1 Second round 9.50s 12.59s #104
4x4x4 Blindfolded Final 1:59.36 — #8
5x5x5 Blindfolded Final 4:24.11 — #7

Event Ranking Chart

Competition Round Breakdown

3x3x3 Cube
Round # Best Average Solves
First round #1122 10.49s 12.02s (13.43s) 11.85s 12.30s (10.49s) 11.91s
2x2x2 Cube
Round # Best Average Solves
First round #787 3.22s 3.99s (3.22s) 4.17s 3.94s 3.87s (5.40s)
4x4x4 Cube
Round # Best Average Solves
First round #956 46.83s — 50.49s 46.83s — — —
3x3x3 Blindfolded
Round # Best Average Solves
Second round #35 24.55s 25.54s 26.80s 24.55s 25.26s — —
First round #40 26.01s — 26.01s DNF DNF — —
3x3x3 Fewest Moves
Round # Best Average Solves
Final #9 21 moves 2300 moves 23 moves 21 moves 25 moves — —
3x3x3 One-Handed
Round # Best Average Solves
First round #654 17.17s 20.44s (17.17s) 20.47s 20.60s 20.24s (20.83s)
Clock
Round # Best Average Solves
First round #346 6.12s 8.07s 6.36s (DNF) 7.70s 10.14s (6.12s)
Megaminx
Round # Best Average Solves
First round #312 59.53s 1:00.59 1:01.55 59.77s (59.53s) 1:00.45 (1:03.13)
Pyraminx
Round # Best Average Solves
First round #342 3.03s 4.80s 5.81s 4.96s (3.03s) 3.64s (8.31s)
Skewb
Round # Best Average Solves
First round #415 3.71s 5.89s 5.86s (3.71s) (7.09s) 5.66s 6.16s
Square-1
Round # Best Average Solves
Second round #104 9.50s 12.59s 17.92s 9.96s 9.88s (18.37s) (9.50s)
First round #101 10.11s 10.88s 10.95s 11.27s (12.97s) 10.42s (10.11s)
4x4x4 Blindfolded
Round # Best Average Solves
Final #8 1:59.36 — 1:59.36 DNF DNF — —
5x5x5 Blindfolded
Round # Best Average Solves
Final #7 4:24.11 — DNF 4:24.11 DNF — —

PBs Achieved

Event Type Previous PB New PB Improvement
3x3x3 Blindfolded Average 28.94s 25.54s -3.40s
3x3x3 One-Handed Average 28.40s 20.44s -7.96s
3x3x3 One-Handed Single 26.30s 17.17s -9.13s
Megaminx Average 1:02.89 1:00.59 -2.30s
Pyraminx Single 3.37s 3.03s -0.34s
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