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The Middle Three
People → Hong Kong, China → Sun Chen Bo (孫晨博)

People · Hong Kong, China

Sun Chen Bo (孫晨博)

3×3 · top 2.4% of 288,433 all-time · competing since June 2025 · 2025SUNP01

Sun Chen Bo (孫晨博) has been competing for a year. His best event is the 3×3: a personal-best single of 7.76, set at Guangzhou GraDUAL 3x3 II 2026, puts him in the top 2.4% of the 288,433 people who have ever been ranked in the event, and 64th in Hong Kong, China. Until July 2008, no official 3×3 solve in the world had been that fast. Across 17 competitions since June 2025, he has put 487 official solves on the record across 13 events. Solve to solve, his 3×3 times vary about 14% around a typical one; 71% of the 36,406 competitors with ten or more counted rounds hold a tighter spread. His 3×3 best has come down from 8.79 in June 2025 to 7.76, a 12% improvement. Sun has entered 17 competitions, more competitions than 96% of everyone who has ever competed.

3×3
best event — top 2.4% of 288,433 all-time
7.76
signature single · Guangzhou GraDUAL 3x3 II 2026
487
official solves on the record
14%
solve-to-solve spread · wider than 71% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingHong Kong, China
3×37.769.28
top 2.4%64 / 1,424
2×21.694.25
top 3.1%45 / 880
Square-18.6212.42
top 3.9%15 / 127
4×431.7537.14
top 4.0%44 / 447
Skewb3.877.79
top 10.1%40 / 293
5×51:20.891:28.44
top 20.0%82 / 196
Clock9.6011.85
top 23.0%61 / 159
3×3 one-handed21.9625.47
top 26.0%170 / 384
Pyraminx6.898.31
top 27.0%179 / 448
6×62:43.313:06.30
top 32.7%57 / 90
Megaminx1:39.791:51.49
top 34.6%97 / 169
3×3 Fewest Moves39 moves—
early days — 2 solves48 / 77
7×75:05.98—
top 52.5%59 / 74

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

Yunnan Open 2025: 8.79Guangzhou Small Cubes 2025: 7.98Guangdong Open - Revival & Rival 2026: 9.36Zhuhai Pi Day 2026: 8.64Yancheng Spring Open 2026: 8.66Foshan Open 2026: 8.19Singapore Twist and Tips July 2026: 10.51Japan Championship 2026: 8.73Selangor Cube Open 2026: 8.71Guangzhou GraDUAL 3x3 II 2026: 7.76Guangzhou GraDUAL 3x3 III 2026: 9.09Hong Kong Cube Day 2026: 8.58Guangzhou GraDUAL 3x3 IV 2026: 8.23Beijing Autumn Rivalry 2026: 8.457.7610.5122 Jun 20251 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 1.76 away.
  • A sub-1 2×2 single — 1,050 people have one; it is 0.69 away.

Targets move as he improves.