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The Middle Three
People → Mongolia → Ochir-Erdene Tsogtdelger (Цогтдэлгэр Очир-Эрдэнэ)

People · Mongolia

Ochir-Erdene Tsogtdelger (Цогтдэлгэр Очир-Эрдэнэ)

2×2 · top 5.6% of 186,767 all-time · competing since April 2023 · 2023TSOG01

Ochir-Erdene Tsogtdelger (Цогтдэлгэр Очир-Эрдэнэ) has been competing for 3 years. His best event is the 2×2: a personal-best single of 2.12, set at Bayankhongor Open 2025, puts him in the top 5.6% of the 186,767 people who have ever been ranked in the event, and 43rd in Mongolia. Until February 2008, no official 2×2 solve in the world had been that fast. Across 25 competitions since April 2023, he has put 557 official solves on the record across six events. Solve to solve, his 3×3 times vary about 16% around a typical one; 94% of the 35,811 competitors with ten or more counted rounds hold a tighter spread. His 3×3 best has come down from 33.93 in April 2023 to 10.60, a 69% improvement. He has entered 25 competitions, more competitions than 98% of everyone who has ever competed.

2×2
best event — top 5.6% of 186,767 all-time
2.12
signature single · Bayankhongor Open 2025
557
official solves on the record
16%
solve-to-solve spread · wider than 94% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingMongolia
2×22.123.61
top 5.6%43 / 1,717
3×310.6012.83
top 9.3%103 / 1,987
Pyraminx4.578.32
top 10.6%85 / 1,577
Skewb5.147.15
top 19.3%46 / 325
Clock11.2714.57
top 31.5%36 / 139
3×3 one-handed29.1636.22
top 44.7%82 / 138

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

Ulaanbaatar Spring 2023: 33.93Mongolian Championship 2023: 31.12Sainshand Open 2023: 23.96Ulaanbaatar Cubing Challenge Dec 2023: 21.13Ulaanbaatar Cubing Challenge Jan 2024: 24.05Ulaanbaatar Cubing Challenge Feb 2024: 25.02Ulaanbaatar Spring 2024: 24.10MR Ulaanbaatar 2024: 26.85Ulaanbaatar Cubing Challenge Jun 2024: 19.46GAN Mongolian Open 2024: 18.32QY Mongolian Championship 2024: 16.43Rubik's WCA Asian Championship 2024: 17.99Ulaanbaatar Winter 2024: 15.05CubingMGL Coldest Capital 2025: 16.15Ulaanbaatar Spring 2025: 12.93Ulaanbaatar Nomad Mazaalai 2025: 14.50Bayankhongor Open 2025: 13.33Beijing Summer 2025: 11.63Ulaanbaatar Summer 2025: 11.74Khuvsgul Lake Open 2025: 13.25Mongolian Championship 2025: 10.88MR Ulaanbaatar 2025: 11.57Ulaanbaatar Spring 2026: 11.21Dornogovi Toya Cup 2026: 11.62Ulaanbaatar Summer 2026: 10.6010.6033.931 Apr 202322 Jun 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-2 2×2 single — 8,848 people have one; it is 0.12 away.
  • A sub-10 3×3 single — 21,172 people have one; it is 0.60 away.

Targets move as he improves.