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The Middle Three
People → Mongolia → Sukh-Erdene Mandakh

People · Mongolia

Sukh-Erdene Mandakh

3×3 blindfolded · top 6.4% of 12,334 all-time · competing since October 2017 · 2017MAND10

Sukh-Erdene Mandakh has been competing for 9 years. His best event is the 3×3 blindfolded: a personal-best single of 38.45, set at Mongolian Championship 2023, puts him in the top 6.4% of the 12,334 people who have ever been ranked in the event, and 1st in Mongolia. Until August 2009, no official 3×3 blindfolded solve in the world had been that fast. Across 19 competitions since October 2017, he has put 270 official solves on the record across eleven events. Solve to solve, his 3×3 times vary about 14% around a typical one; 77% of the 36,406 competitors with ten or more counted rounds hold a tighter spread. His 3×3 best has come down from 16.86 in October 2017 to 11.52, a 32% improvement. He has entered 19 competitions, more competitions than 96% of everyone who has ever competed.

3×3 blindfolded
best event — top 6.4% of 12,334 all-time
38.45
signature single · Mongolian Championship 2023
270
official solves on the record
14%
solve-to-solve spread · wider than 77% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingMongolia
3×3 blindfolded38.4544.50
top 6.4%1 / 30
3×311.5213.70
top 12.3%131 / 2,024
3×3 Multi-Blind9 of 9 cubes · 41:15—
early days — 1 solve1 / 3
3×3 one-handed22.2927.13
top 26.9%54 / 149
Megaminx1:42.881:58.15
top 36.5%36 / 62
Skewb7.3811.55
top 36.7%97 / 331
4×41:03.561:19.47
top 40.3%110 / 204
Pyraminx9.3413.47
top 47.7%413 / 1,585
4×4 blindfolded9:13.43—
early days — 1 solve3 / 3
5×52:41.282:48.02
top 71.1%79 / 90
2×28.7513.84
top 72.2%681 / 1,734

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

Mongolia 2017: 16.86Mongolia 2018: 18.55WCA Asian Championship 2018: 14.92Dornogovi Open 2018: 13.29Umnugovi Autumn 2018: 12.34Mongolia Championship 2019: 11.52Ulaanbaatar Spring 2019: 13.10Mongolia Open 2019: 12.93Darkhan Winter 2022: 13.75Shambala Cubing Day 2023: 13.61Mongolian Championship 2023: 12.39QY Mongolian Championship 2024: 12.03CubingMGL Lunar New Year 2025: 13.80Ulaanbaatar Nomad Mazaalai 2025: 13.31Mongolian Open 2026: 15.2111.5218.5528 Oct 20173 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-30 3×3 blindfolded single — 511 people have one; it is 8.45 away.
  • A sub-10 3×3 single — 21,606 people have one; it is 1.52 away.

Targets move as he improves.