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The Middle Three
People → Russia → Sergey Chirin

People · Russia

Sergey Chirin

Pyraminx · top 2.2% of 129,321 all-time · competing since March 2015 · 2015CHIR01

Sergey Chirin has been competing for 12 years. His best event is the Pyraminx: a personal-best single of 2.51, set at Svetlye Gory Open 2018, puts him in the top 2.2% of the 129,321 people who have ever been ranked in the event, and 45th in Russia. Until January 2011, no official Pyraminx solve in the world had been that fast. Across 31 competitions since March 2015, he has put 1,515 official solves on the record across 13 events. Solve to solve, his 3×3 times vary about 12% around a typical one, steadier than 64% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 16.47 in March 2015 to 9.30, a 44% improvement. Sergey has entered 31 competitions, more competitions than 98% of everyone who has ever competed.

Pyraminx
best event — top 2.2% of 129,321 all-time
2.51
signature single · Svetlye Gory Open 2018
1,515
official solves on the record
12%
solve-to-solve spread · steadier than 64% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingRussia
Pyraminx2.516.35
top 2.2%45 / 3,777
Square-18.1910.30
top 3.3%8 / 759
2×21.793.65
top 3.5%116 / 4,782
3×3 one-handed13.6819.11
top 5.5%75 / 1,770
3×39.3010.82
top 5.6%196 / 6,475
4×434.3440.01
top 6.1%62 / 2,080
Skewb3.326.97
top 6.7%92 / 2,264
5×51:15.941:24.24
top 16.0%99 / 941
3×3 Fewest Moves33 moves39.67
top 23.4%64 / 366
Megaminx1:23.331:28.38
top 24.0%131 / 998
Clock10.7112.56
top 28.7%133 / 714
6×62:40.132:45.09
top 30.8%68 / 343
7×74:31.994:35.33
top 41.7%95 / 270

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

Moscow Spring Open 2015: 16.47CCC End of Summer 2015: 12.79Moscow South-West Open 2015: 12.31Belgorod Open 2015: 12.13MPEI Open 2015: 12.17Moscow Christmas Open 2016: 11.65Saint Petersburg Welcome To 2016: 10.66CCC Spring Open 2016: 10.88European Rubik's Cube Championship 2016: 11.45Czech Open 2016: 10.68SPB Championship 2016: 10.88Belgorod Open 2016: 10.60Cuberussia in SPB 2017: 9.62Cuberussia in MSK 2017: 10.58To The Moon 2017: 10.59Ramenskoe Open 2017: 10.37World Rubik's Cube Championship 2017: 11.28Svetlye Gory Open 2017: 10.68Belgorod Open 2017: 9.51YJ Fest Moscow 2019: 9.30CCC Qualification Voronezh 2019: 9.84İstanbul Summer 2019: 9.41Kursk Open 2019: 9.669.3016.4713 Mar 201524 Aug 2019

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 Pyraminx single — 1,476 people have one; it is 0.51 away.
  • A sub-8 Square-1 single — 766 people have one; it is 0.19 away.

Targets move as he improves.