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The Middle Three
People → China → Yiqin Sun (孙弋钦)

People · China

Yiqin Sun (孙弋钦)

3×3 · top 1.1% of 288,433 all-time · competing since April 2021 · 2021SUNY02

Yiqin Sun (孙弋钦) has been competing for 6 years. His best event is the 3×3: a personal-best single of 6.82, set at Xi'an Cherry Blossom 2025, puts him in the top 1.1% of the 288,433 people who have ever been ranked in the event, and 422nd in China. Until November 2010, no official 3×3 solve in the world had been that fast. Across 24 competitions since April 2021, he has put 971 official solves on the record across twelve events. Solve to solve, his 3×3 times vary about 14% around a typical one; 68% of the 36,406 competitors with ten or more counted rounds hold a tighter spread. His 3×3 best has come down from 12.59 in April 2021 to 6.82, a 46% improvement. Yiqin has entered 24 competitions, more competitions than 97% of everyone who has ever competed.

3×3
best event — top 1.1% of 288,433 all-time
6.82
signature single · Xi'an Cherry Blossom 2025
971
official solves on the record
14%
solve-to-solve spread · wider than 68% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingChina
3×36.828.36
top 1.1%422 / 28,499
4×426.8929.51
top 1.3%136 / 5,999
5×548.6753.41
top 1.5%62 / 2,857
3×3 one-handed11.4513.22
top 2.3%201 / 5,994
6×61:36.801:43.33
top 3.3%62 / 1,363
Megaminx47.4051.22
top 4.0%92 / 1,693
Square-18.8111.12
top 4.2%52 / 1,373
2×21.933.29
top 4.3%594 / 15,939
7×72:33.152:39.50
top 4.3%87 / 1,274
Skewb3.264.60
top 6.4%365 / 5,030
Pyraminx4.094.88
top 8.2%988 / 10,269
Clock6.597.95
top 9.4%210 / 1,887

Percentile against all competitors ever ranked in each event, a fairer measure than raw rank, because the pools differ by a factor of ten.

The line so far

Beijing Spring PM 2021: 12.59Wuhan Open 2021: 9.65Dandong Yalu River Open 2024: 8.52Xi'an Open 2024: 8.63Xuzhou Autumn 2024: 7.45Zhengzhou Open 2024: 8.03Beijing Winter 2025: 7.81Chengdu Spring Open 2025: 7.52Xi'an Cherry Blossom 2025: 6.82Beijing Summer 2025: 8.58Lishui Open 2025: 7.96Zhuhai Open 2025: 7.59Harbin Open 2025: 7.68Beijing University Cube League 2025: 7.75Beijing Winter 2026: 7.84Xianju Special 2026: 7.56Beijing Spring Open 2026: 7.32Xi'an Cherry Blossom 2026: 7.48Start of Summer Beijing 2026: 8.10Huanggang Open 2026: 7.09Beijing Autumn Rivalry 2026: 7.376.8212.594 Apr 20211 Oct 2026

Best single per competition, 3×3. Faster is higher — the axis is the right way up.

The story so far

Competitions

Reading this page: a single is one solve's time · an average is the middle three of five solves, best and worst discarded · a PB is a personal best · a DNF (did not finish) is an attempt with no valid result: a popped piece, an unsolved face, an over-limit memorisation · top X% compares against everyone ever ranked in that event, which is fairer than raw rank because event pools differ tenfold.

The circuit

The people whose scorecards keep turning up next to his.

Next targets

  • A sub-6 3×3 single — 1,419 people have one; it is 0.82 away.
  • A sub-25 4×4 single — 614 people have one; it is 1.89 away.

Targets move as he improves.