People · Russia
Sergey Ryabko
3×3 · top 0.34% of 284,439 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 284,439 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 66 competitions since August 2009, he has put 2,464 official solves on the record across twelve events. Solve to solve, his 3×3 times vary about 13% around a typical one, steadier than 60% of the 35,811 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 66 competitions, more competitions than 99% of everyone who has ever competed.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | Russia | |
|---|---|---|---|---|---|
| 3×3 | 5.72 | 8.02 | top 0.34% | 8 / 6,475 | |
| 2×2 | 1.96 | 2.77 | top 4.5% | 138 / 4,782 | |
| 3×3 one-handed | 13.80 | 17.28 | top 5.7% | 79 / 1,770 | |
| 3×3 Fewest Moves | 26 moves | — | top 6.2% | 10 / 366 | |
| 4×4 | 37.22 | 43.15 | top 8.9% | 107 / 2,080 | |
| Megaminx | 1:26.56 | 1:43.80 | top 25.9% | 152 / 998 | |
| 3×3 blindfolded | 1:40.77 | 1:59.98 | top 26.8% | 59 / 310 | |
| 5×5 | 1:41.69 | 2:00.15 | top 36.6% | 286 / 941 | |
| Square-1 | 26.59 | 39.39 | top 42.6% | 246 / 759 | |
| 6×6 | 4:15.63 | 4:21.43 | early days — 3 solves | 217 / 343 | |
| 7×7 | 6:52.05 | 7:33.90 | early days — 3 solves | 200 / 270 | |
| Skewb | 45.01 | — | early days — 1 solve | 2,261 / 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
Best single per competition, 3×3. Faster is higher — the axis is the right way up.
The story so far
- 11 Aug 2012Five personal bests in one day at Moscow North-West Open 2012.
- 21 Apr 2012Three personal bests in one day at Ukraine Open 2012.
- 16 Apr 2011Five personal bests in one day at Bialystok Open 2011.
- 20 Nov 2010Three personal bests in one day at MPEI Open 2010.
- 1 Oct 2010First sub-10 3×3: 9.56 at European Rubik's Cube Championship 2010.
- 1 Oct 2010Six personal bests in one day at European Rubik's Cube Championship 2010.
Competitions
- Stevenage May 2026 · 9 May 2026 — 2 personal bests set
- Stevenage January 2026 · 10 Jan 2026
- Stevenage October 2025 · 11 Oct 2025 — 1 personal best set
- Stevenage September 2025 · 6 Sep 2025
- Battersea Autumn 2024 · 28 Sep 2024
- Raffles World Academy Dubai 2024 · 22 Jun 2024
- Dubai Open 2024 · 27 Apr 2024
- Sunmarke Dubai Open 2022 · 16 Dec 2022 — 1 personal best set
- Dubai Summer Open 2022 · 10 Sep 2022
- Welcome to Murmansk 2021 · 22 May 2021 — 2 personal bests set
- SPB Muffin Mini 2021 · 2 May 2021
- SPB Muffin 2020 · 14 Mar 2020
- CCC Qualification SPB 2020 · 1 Feb 2020
- MPEI Open 2019 · 22 Nov 2019
- Ramenskoe Open 2019 · 14 Sep 2019
- Udmurtia Open 2019 · 10 Aug 2019
- YJ Fest Moscow 2019 · 28 Jun 2019
- CCC Open Moscow 2019 · 13 Apr 2019
- SPB Muffin Winter 2019 · 12 Jan 2019 — 1 personal best set
- MPEI Open 2018 · 23 Nov 2018
- Welcome to Academy 2018 · 3 Nov 2018 — 1 personal best set
- Speedcubes Fest in SPB 2018 · 29 Sep 2018
- SPB Summer 2018 · 4 Aug 2018 — 1 personal best set
- Svetlye Gory Open 2018 · 29 Jun 2018
- YJ Fest 2018 · 18 May 2018 — 1 personal best set
- SPB Island 2018 · 12 May 2018 — 1 personal best set
- CFCTC Open 2018 · 31 Mar 2018 — 2 personal bests set
- Muffin Winter 2017 · 15 Dec 2017 — 1 personal best set
- MPEI Open 2017 · 24 Nov 2017
- SPB Championship 2017 · 27 Oct 2017
- SPB Winter 2016 · 3 Dec 2016 — 1 personal best set
- MPEI Open 2016 · 25 Nov 2016
- SPB Spring Open 2016 · 7 May 2016
- CCC Spring Open 2016 · 29 Apr 2016
- Saint Petersburg Welcome To 2016 · 27 Feb 2016
- MPEI Open 2015 · 27 Nov 2015
- Rubik's Cube European Championships 2014 · 8 Aug 2014
- Tula Open 2014 · 28 Mar 2014
- CCC Winter Open 2014 · 16 Feb 2014
- MPEI Open 2013 · 23 Nov 2013
- Saint Petersburg Open 2013 · 14 Sep 2013
- Lutsk Open 2013 · 25 Aug 2013
- Kalmyki Open 2013 · 17 Aug 2013
- Kharkiv Cube Day 2013 · 11 Aug 2013
- Moscow Summer 2013 · 16 Jun 2013 — 1 personal best set
- Ukrainian Open 2013 · 18 May 2013
- Nelidovo Open 2013 · 30 Mar 2013 — 2 personal bests set
- 100th Anniversary Meeting in Kyiv 2013 · 27 Jan 2013
- Moscow North-West Open Winter 2013 · 3 Jan 2013
- Kharkiv Winter 2012 · 8 Dec 2012 — 1 personal best set
- MPEI Open 2012 · 24 Nov 2012 — 2 personal bests set
- European Rubik's Cube Championship 2012 · 12 Oct 2012 — 1 personal best set
- Oleksandriia Open 2012 · 18 Aug 2012 — 2 personal bests set
- Moscow North-West Open 2012 · 11 Aug 2012 — 5 personal bests set
- Podolian Open 2012 · 28 Jul 2012 — 2 personal bests set
- Ukraine Open 2012 · 21 Apr 2012 — 3 personal bests set
- MPEI Open 2011 · 26 Nov 2011 — 1 personal best set
- World Rubik's Cube Championship 2011 · 14 Oct 2011 — 2 personal bests set
- Russia Open 2011 · 27 Aug 2011 — 1 personal best set
- Moscow North-West Open 2011 · 23 Jul 2011
- Kyiv Open 2011 · 14 May 2011 — 1 personal best set
- Bialystok Open 2011 · 16 Apr 2011 — 5 personal bests set
- MPEI Open 2010 · 20 Nov 2010 — 3 personal bests set
- European Rubik's Cube Championship 2010 · 1 Oct 2010 — 6 personal bests set
- Russia Open 2010 · 24 Apr 2010 — 1 personal best set
- Saint Petersburg Open 2009 · 29 Aug 2009 — 1 personal best set
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.
- Dmitry Dobrjakov — met in 231 rounds, finished ahead 52 times
- Dmitry Zvyagintsev — met in 168 rounds, finished ahead 92 times
- Pavel Galaktionov — met in 165 rounds, finished ahead 65 times
Next targets
- A sub-5 3×3 single — 344 people have one; it is 0.72 away.
- A sub-1 2×2 single — 1,032 people have one; it is 0.96 away.
Targets move as he improves.