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Alvin Hiu Yeung Cheng (鄭曉洋)

Rubik's WCA North American Championship 2026

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

15

Events Entered

75

Official Solves

3

Best Position (5x5x5 Blindfolded)

5x5x5 Blindfolded

Best Event

3:54.06

Best Result (5x5x5 Blindfolded)

2

PBs Achieved

Competition Event Summary

Event Round Reached Single Average Position
3x3x3 Cube First round 10.98s 11.36s #412
2x2x2 Cube First round 3.42s 3.88s #309
4x4x4 Cube First round 33.76s 38.55s #230
5x5x5 Cube First round 1:07.79 1:16.87 #197
7x7x7 Cube First round 2:50.70 3:03.47 #81
3x3x3 Blindfolded Final 26.40s — #19
3x3x3 Fewest Moves Final 23 moves 2500 moves #12
3x3x3 One-Handed First round 20.66s 22.49s #342
Clock First round 5.35s 5.96s #84
Megaminx First round 45.96s 53.42s #76
Pyraminx First round 4.11s 5.54s #230
Skewb Second round 4.13s 5.71s #85
Square-1 Second round 11.28s 13.50s #52
4x4x4 Blindfolded Final — — #21
5x5x5 Blindfolded Final 3:54.06 — #3

Event Ranking Chart

Competition Round Breakdown

3x3x3 Cube
Round # Best Average Solves
First round #412 10.98s 11.36s 11.10s 11.09s 11.88s (10.98s) (13.38s)
2x2x2 Cube
Round # Best Average Solves
First round #309 3.42s 3.88s 3.64s (3.42s) 3.72s 4.29s (6.17s)
4x4x4 Cube
Round # Best Average Solves
First round #230 33.76s 38.55s (33.76s) 37.07s 39.18s 39.40s (44.07s)
5x5x5 Cube
Round # Best Average Solves
First round #197 1:07.79 1:16.87 (1:27.16) 1:14.45 1:10.11 (1:07.79) 1:26.06
7x7x7 Cube
Round # Best Average Solves
First round #81 2:50.70 3:03.47 2:50.70 3:21.09 2:58.62 — —
3x3x3 Blindfolded
Round # Best Average Solves
Final #19 26.40s — DNF DNF 26.40s DNF DNF
Second round #18 22.94s 29.46s 24.68s 36.17s (22.94s) (DNF) 27.52s
First round #17 24.27s — DNF DNF 32.36s 24.27s DNF
3x3x3 Fewest Moves
Round # Best Average Solves
Final #12 23 moves 2500 moves 26 moves 26 moves 23 moves — —
3x3x3 One-Handed
Round # Best Average Solves
First round #342 20.66s 22.49s 21.13s 22.30s 24.05s (35.22s) (20.66s)
Clock
Round # Best Average Solves
First round #84 5.35s 5.96s (7.44s) 5.78s 5.92s 6.19s (5.35s)
Megaminx
Round # Best Average Solves
First round #76 45.96s 53.42s (59.59s) (45.96s) 53.60s 50.01s 56.64s
Pyraminx
Round # Best Average Solves
First round #230 4.11s 5.54s 4.55s 5.41s 6.67s (4.11s) (6.84s)
Skewb
Round # Best Average Solves
Second round #85 4.13s 5.71s (6.83s) (4.13s) 4.86s 5.71s 6.55s
First round #95 4.14s 4.64s (4.14s) 4.66s 4.67s (6.29s) 4.60s
Square-1
Round # Best Average Solves
Second round #52 11.28s 13.50s (11.28s) 14.63s 12.07s (18.50s) 13.80s
First round #44 8.86s 10.52s 11.77s (20.20s) 9.11s 10.69s (8.86s)
4x4x4 Blindfolded
Round # Best Average Solves
Final #21 — — DNF DNF DNF — —
5x5x5 Blindfolded
Round # Best Average Solves
Final #3 3:54.06 — 3:54.06 5:50.48 DNF — —

PBs Achieved

Event Type Previous PB New PB Improvement
5x5x5 Blindfolded Single 4:00.35 3:54.06 -6.29s
Square-1 Average 10.54s 10.52s -0.02s
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