Speedcube RatingsAn independent leaderboard · based on WCA results

Rating model by James Macdiarmid. Based on competition results maintained by the World Cube Association, published at worldcubeassociation.org/results. Ratings computed independently; not affiliated with the WCA. Source code on GitHub.

Isaac Lai Yin Chung · SCR

WCA ID · 2015LAII01

Isaac Lai Yin Chung

🇸🇬Singapore·Rated in 12 events·WCA profile ↗·Share card ↗

Ratings by event

3×3· Average

#4,973

34.82

raw 39.91

33 results · last Apr 21, 2025

history begins next snapshot

2×2· Average

#1,834

25.90

raw 29.69

25 results · last Apr 21, 2025

history begins next snapshot

4×4· Average

#1,529

50.36

raw 55.18

23 results · last Apr 21, 2025

history begins next snapshot

5×5· Average

#1,850

47.12

raw 51.63

13 results · last Apr 21, 2025

history begins next snapshot

3×3 Blind· Single

Single only

#1,230

12.22

raw 13.40

9 results · last Apr 21, 2025

history begins next snapshot

Fewest Moves· Average

#549

54.95

raw 58.70

4 results · last Dec 8, 2024

history begins next snapshot

One-Handed· Average

#1,938

42.65

7 results · last Feb 22, 2026

history begins next snapshot

Clock· Average

#4,130

18.95

raw 22.21

7 results · last Dec 8, 2024

history begins next snapshot

Megaminx· Average

#50

67.40

33 results · last Feb 22, 2026

history begins next snapshot

Pyraminx· Average

#5,035

14.89

raw 17.07

21 results · last Apr 21, 2025

history begins next snapshot

Skewb· Average

#1,533

23.91

raw 27.52

23 results · last Apr 13, 2025

history begins next snapshot

Square-1· Average

#1,481

24.38

raw 28.06

18 results · last Apr 13, 2025

history begins next snapshot

Recent results

Feb 22, 20263x3x3 One-Handed · Round 1SingaporeChampionship2026 · national · 39th18.25
Feb 22, 20266x6x6 Cube · Round 1SingaporeChampionship2026 · national · 29th2:12.90
Feb 22, 2026Megaminx · Round 2SingaporeChampionship2026 · national · 5th37.70
Feb 22, 2026Megaminx · FinalSingaporeChampionship2026 · national · 4th35.61

← back to rankings

Feb 22, 2026Megaminx · Round 1SingaporeChampionship2026 · national · 4th36.03

Apr 21, 20252x2x2 Cube · Round 1FrenchChampionship2025 · national · 11th2.39

Apr 21, 20252x2x2 Cube · Round 2FrenchChampionship2025 · national · 45th3.78

Apr 21, 20253x3x3 Cube · Round 1FrenchChampionship2025 · national · 33rd9.17

Apr 21, 20253x3x3 Cube · Round 2FrenchChampionship2025 · national · 55th10.26

Apr 21, 20253x3x3 Cube · Semi-FinalFrenchChampionship2025 · national · 45th9.82

Apr 21, 20253x3x3 Blindfolded · Round 1FrenchChampionship2025 · national · 33rd1:30.08

Apr 21, 20253x3x3 One-Handed · Round 2FrenchChampionship2025 · national · 24th15.60

Apr 21, 20253x3x3 One-Handed · Round 1FrenchChampionship2025 · national · 54th19.28

Apr 21, 20254x4x4 Cube · Round 2FrenchChampionship2025 · national · 32nd37.00

Apr 21, 20254x4x4 Cube · Round 1FrenchChampionship2025 · national · 20th32.77

Apr 21, 20254x4x4 Blindfolded · FinalFrenchChampionship2025 · national · 16th8:16.60

Apr 21, 20255x5x5 Cube · Round 1FrenchChampionship2025 · national · 31st1:08.36

Apr 21, 2025Megaminx · FinalFrenchChampionship2025 · national · 2nd35.36

Apr 21, 2025Megaminx · Round 1FrenchChampionship2025 · national · 1st35.03

Apr 21, 2025Pyraminx · Round 2FrenchChampionship2025 · national · 74th9.05

Apr 21, 2025Pyraminx · Round 1FrenchChampionship2025 · national · 53rd5.83

Apr 21, 2025Skewb · Round 1FrenchChampionship2025 · national · 147th4.84

Apr 13, 20253x3x3 Cube · Round 2OldenburgOsterOpen2025 · 13th9.70

Apr 13, 20253x3x3 Cube · Round 1OldenburgOsterOpen2025 · 11th9.86