Speedcube RatingsAn independent leaderboard · based on WCA results

Rankings Calibrate About

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.

Kai Yamamoto (山本快) · SCR

WCA ID · 2021YAMA01

Kai Yamamoto (山本快)

🇯🇵Japan·Rated in 14 events·WCA profile ↗·Share card ↗

Ratings by event

3×3· Average

#5,663

32.90

13 results · last May 17, 2026

2×2· Average

#902

30.84

3 results · last Apr 5, 2026

4×4· Average

#1,936

48.55

3 results · last Jun 6, 2026

6×6· Average

#912

52.18

3 results · last Jun 13, 2026

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3×3 Blind· Average

#300

20.82

3 results · last Jun 6, 2026

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Fewest Moves· Average

#71

80.13

4 results · last Apr 12, 2026

One-Handed· Average

#506

53.77

6 results · last Mar 22, 2026

Clock· Average

#330

42.60

3 results · last Jun 13, 2026

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Megaminx· Average

#834

44.22

3 results · last May 17, 2026

Pyraminx· Average

#2,412

20.01

8 results · last Jun 6, 2026

Skewb· Average

#3,108

19.49

4 results · last Apr 11, 2026

4×4 Blind· Single

Single only

#234

16.48

4 results · last Jun 6, 2026

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5×5 Blind· Single

Single only

#184

14.71

3 results · last Jun 6, 2026

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Multi-Blind· Single

Single only

#270

42.17

3 results · last Mar 7, 2026

Recent results

Jun 13, 20266x6x6 Cube · Round 1TokyoSummer2026 · 15th2:05.14
Jun 13, 20267x7x7 Cube · Round 1TokyoSummer2026 · 17th3:20.42
Jun 13, 2026Clock · Round 1TokyoSummer2026 · 3rd5.39
Jun 13, 2026Clock · FinalTokyoSummer2026 · 7th4.12

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Jun 6, 2026

3x3x3 Blindfolded · FinalKansaiBLDSummer2026 · 8th

45.53

Jun 6, 20263x3x3 Blindfolded · Round 1KansaiBLDSummer2026 · 5th1:06.72

Jun 6, 20264x4x4 Cube · Combined FinalKansaiBLDSummer2026 · 10th39.80

Jun 6, 20264x4x4 Blindfolded · FinalKansaiBLDSummer2026 · 5th6:16.99

Jun 6, 20264x4x4 Blindfolded · Round 1KansaiBLDSummer2026 · 5th5:17.37

Jun 6, 20265x5x5 Blindfolded · Round 1KansaiBLDSummer2026 · 6th14:48.00

Jun 6, 2026Pyraminx · FinalKansaiBLDSummer2026 · 9th5.98

May 17, 20263x3x3 Cube · Round 1KantoSpring2026 · 39th11.58

May 17, 2026Megaminx · Round 1KantoSpring2026 · 14th55.08

May 17, 2026Pyraminx · Round 1KantoSpring2026 · 11th5.06

May 17, 2026Square-1 · Round 1KantoSpring2026 · 16th19.39

Apr 12, 20263x3x3 Fewest Moves · FinalTokyoFMCSpring2026 · 8th23.67

Apr 12, 20263x3x3 Fewest Moves · Round 1TokyoFMCSpring2026 · 6th23.67

Apr 11, 20263x3x3 Cube · Round 1OtsuBiwakoSpring2026 · 13th10.81

Apr 11, 2026Clock · FinalOtsuBiwakoSpring2026 · 3rd5.04

Apr 11, 2026Pyraminx · Round 1OtsuBiwakoSpring2026 · 16th6.48

Apr 11, 2026Skewb · Round 1OtsuBiwakoSpring2026 · 15th6.65

Apr 5, 20262x2x2 Cube · FinalTokyoSpring2026 · 7th2.72

Apr 5, 20262x2x2 Cube · Round 1TokyoSpring2026 · 8th2.86

Apr 5, 20263x3x3 Cube · Round 2TokyoSpring2026 · 28th10.60