People · Republic of Korea
JiSung Lee (이지성)
2×2 · top 6.7% of 189,179 all-time · competing since May 2023 · 2023LEEJ12
JiSung Lee (이지성) has been competing for 4 years. His best event is the 2×2: a personal-best single of 2.25, set at Uhseo Osong 2026, puts him in the top 6.7% of the 189,179 people who have ever been ranked in the event, and 187th in Republic of Korea. Until February 2008, no official 2×2 solve in the world had been that fast. Across 9 competitions since May 2023, he has put 131 official solves on the record across nine events. Solve to solve, his 3×3 times vary about 13% around a typical one; 53% of the 36,406 competitors with ten or more counted rounds hold a tighter spread. His 3×3 best has come down from 39.08 in May 2023 to 10.99, a 72% improvement. JiSung has entered nine competitions, more competitions than 91% of everyone who has ever competed.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | Republic of Korea | |
|---|---|---|---|---|---|
| 2×2 | 2.25 | 4.17 | top 6.7% | 187 / 2,334 | |
| 3×3 | 10.99 | 12.68 | top 10.5% | 605 / 4,390 | |
| 4×4 | 39.20 | 43.43 | top 11.3% | 220 / 1,316 | |
| Clock | 11.07 | 11.83 | top 30.3% | 205 / 541 | |
| 5×5 | 1:37.33 | 1:49.40 | top 33.4% | 296 / 725 | |
| Megaminx | 1:51.19 | 2:10.66 | top 41.2% | 265 / 526 | |
| 7×7 | 4:54.27 | 5:13.74 | top 49.1% | 159 / 256 | |
| Skewb | 10.85 | 13.49 | top 60.0% | 568 / 874 | |
| 6×6 | 4:17.28 | — | early days — 1 solve | 256 / 335 |
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
Best single per competition, 3×3. Faster is higher — the axis is the right way up.
The story so far
- 8 Feb 2025First sub-15 3×3: 12.67 at Anyang Haseyo 2025.
- 6 Jan 2024First sub-30 3×3: 17.77 at Seoul Open 2024.
- 6 Jan 2024First sub-20 3×3: 17.77 at Seoul Open 2024.
- 7 May 2023First competition: Seoul Spring 2023. A 39.08 3×3 single to start from.
Competitions
- Seoul Summer 2026 · 19 Jul 2026 — 2 personal bests set
- Uhseo Osong 2026 · 13 Jun 2026 — 2 personal bests set
- Seoul Spring 2026 · 22 Mar 2026 — 1 personal best set
- Korea Open 2025 · 15 Aug 2025 — 2 personal bests set
- Anyang Haseyo 2025 · 8 Feb 2025 — 2 personal bests set
- Seoul Winter 2024 · 14 Dec 2024 — 2 personal bests set
- Daegu Cold Winter 2024 · 3 Feb 2024 — 1 personal best set
- Seoul Open 2024 · 6 Jan 2024 — 1 personal best set
- Seoul Spring 2023 · 7 May 2023
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.
- Ko Youngjin (고영진) — met in 29 rounds, finished ahead 3 times
- Geunyeong Lee (이근영) — met in 29 rounds, never finished ahead
- Choi Goho (최고호) — met in 28 rounds, finished ahead 10 times
Next targets
- A sub-2 2×2 single — 9,039 people have one; it is 0.25 away.
- A sub-10 3×3 single — 21,606 people have one; it is 0.99 away.
Targets move as he improves.