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.

Yasunari Kumekawa (粂川泰成) · SCR

WCA ID · 2022KUME01

Yasunari Kumekawa (粂川泰成)

🇯🇵Japan·Rated in 6 events·WCA profile ↗·Share card ↗

Ratings by event

3×3· Average

#10,329

28.94

9 results · last Apr 11, 2026

history begins next snapshot

6×6· Average

#1,830

43.06

3 results · last Mar 22, 2026

history begins next snapshot

7×7· Average

#1,238

44.86

3 results · last Dec 14, 2025

history begins next snapshot

Fewest Moves· Average

#88

79.73

5 results · last Apr 12, 2026

history begins next snapshot

One-Handed· Average

#4,856

32.29

3 results · last Mar 22, 2026

history begins next snapshot

Square-1· Average

#106

50.35

raw 54.22

7 results · last Aug 24, 2025

history begins next snapshot

Recent results