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The Middle Three
People → Russia → Sergey Ryabko

People · Russia

Sergey Ryabko

3×3 · top 0.34% of 288,433 all-time · competing since August 2009 · 2009RYAB01

Sergey Ryabko has been competing for 17 years. His best event is the 3×3: a personal-best single of 5.72, set at Sunmarke Dubai Open 2022, puts him in the top 0.34% of the 288,433 people who have ever been ranked in the event, and 8th in Russia. Until June 2011, no official 3×3 solve in the world had been that fast. Across 67 competitions since August 2009, he has put 2,489 official solves on the record across twelve events. Solve to solve, his 3×3 times vary about 13% around a typical one, steadier than 54% of the 36,406 competitors with ten or more counted rounds. His 3×3 best has come down from 20.68 in August 2009 to 5.72, a 72% improvement. Sergey has entered 67 competitions, more competitions than 99% of everyone who has ever competed.

3×3
best event — top 0.34% of 288,433 all-time
5.72
signature single · Sunmarke Dubai Open 2022
2,489
official solves on the record
13%
solve-to-solve spread · steadier than 54% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingRussia
3×35.727.85
top 0.34%8 / 6,485
2×21.962.77
top 4.5%138 / 4,788
3×3 one-handed13.8017.28
top 5.8%79 / 1,772
3×3 Fewest Moves26 moves—
top 6.3%10 / 367
4×437.2243.15
top 9.0%108 / 2,085
Megaminx1:26.561:43.80
top 26.0%153 / 999
3×3 blindfolded1:40.771:59.98
top 26.8%59 / 310
5×51:41.692:00.15
top 36.7%287 / 942
Square-126.5939.39
top 42.7%246 / 760
6×64:15.634:21.43
early days — 3 solves217 / 343
7×76:52.057:33.90
early days — 3 solves200 / 271
Skewb45.01—
early days — 1 solve2,261 / 2,264

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

Saint Petersburg Open 2009: 20.68Russia Open 2010: 11.68European Rubik's Cube Championship 2010: 9.56MPEI Open 2010: 8.21Bialystok Open 2011: 8.47Kyiv Open 2011: 9.19Moscow North-West Open 2011: 9.66Russia Open 2011: 9.43World Rubik's Cube Championship 2011: 7.80MPEI Open 2011: 8.68Ukraine Open 2012: 9.41Podolian Open 2012: 8.80Moscow North-West Open 2012: 7.68Oleksandriia Open 2012: 7.86European Rubik's Cube Championship 2012: 7.88MPEI Open 2012: 7.96Kharkiv Winter 2012: 7.97Moscow North-West Open Winter 2013: 7.97100th Anniversary Meeting in Kyiv 2013: 7.75Nelidovo Open 2013: 6.86Ukrainian Open 2013: 7.37Moscow Summer 2013: 7.95Kharkiv Cube Day 2013: 6.88Kalmyki Open 2013: 8.19Lutsk Open 2013: 7.91Saint Petersburg Open 2013: 8.08MPEI Open 2013: 8.16CCC Winter Open 2014: 7.63Tula Open 2014: 8.22Rubik's Cube European Championships 2014: 8.36MPEI Open 2015: 7.31Saint Petersburg Welcome To 2016: 7.46CCC Spring Open 2016: 7.43SPB Spring Open 2016: 7.78MPEI Open 2016: 7.56SPB Winter 2016: 7.57SPB Championship 2017: 7.11MPEI Open 2017: 8.05Muffin Winter 2017: 6.94CFCTC Open 2018: 7.44SPB Island 2018: 7.86YJ Fest 2018: 7.55Svetlye Gory Open 2018: 7.36SPB Summer 2018: 7.09Speedcubes Fest in SPB 2018: 7.35Welcome to Academy 2018: 7.27MPEI Open 2018: 7.78SPB Muffin Winter 2019: 6.03CCC Open Moscow 2019: 6.88YJ Fest Moscow 2019: 7.86Udmurtia Open 2019: 6.83Ramenskoe Open 2019: 7.29MPEI Open 2019: 6.33CCC Qualification SPB 2020: 7.53SPB Muffin 2020: 7.44SPB Muffin Mini 2021: 7.25Welcome to Murmansk 2021: 7.57Dubai Summer Open 2022: 6.91Sunmarke Dubai Open 2022: 5.72Dubai Open 2024: 5.87Raffles World Academy Dubai 2024: 7.65Battersea Autumn 2024: 7.44Stevenage September 2025: 7.33Stevenage October 2025: 7.38Stevenage January 2026: 7.24Stevenage May 2026: 6.95Stevenage September 2026: 6.875.7220.6829 Aug 200912 Sep 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-5 3×3 single — 355 people have one; it is 0.72 away.
  • A sub-1 2×2 single — 1,050 people have one; it is 0.96 away.

Targets move as he improves.