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People → Russia → David Arzamastsev

People · Russia

David Arzamastsev

Pyraminx · top 0.69% of 129,321 all-time · competing since October 2016 · 2016ARZA01

David Arzamastsev has been competing for 10 years. His best event is the Pyraminx: a personal-best single of 1.71, set at CCC Open Moscow 2019, puts him in the top 0.69% of the 129,321 people who have ever been ranked in the event, and 9th in Russia. Until April 2012, no official Pyraminx solve in the world had been that fast. Across 24 competitions since October 2016, he has put 1,595 official solves on the record across 13 events. Solve to solve, his 3×3 times vary about 12% around a typical one, steadier than 73% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 21.83 in October 2016 to 7.66, a 65% improvement. David has entered 24 competitions, more competitions than 97% of everyone who has ever competed.

Pyraminx
best event — top 0.69% of 129,321 all-time
1.71
signature single · CCC Open Moscow 2019
1,595
official solves on the record
12%
solve-to-solve spread · steadier than 73% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingRussia
Pyraminx1.712.80
top 0.69%9 / 3,777
Skewb2.214.38
top 1.9%16 / 2,264
3×37.669.41
top 2.2%63 / 6,475
2×21.543.51
top 2.3%79 / 4,782
3×3 one-handed12.2915.78
top 3.4%43 / 1,770
4×435.6541.42
top 7.3%82 / 2,080
Megaminx59.171:04.38
top 9.6%54 / 998
5×51:12.181:18.88
top 13.2%72 / 941
Clock7.838.42
top 14.4%62 / 714
3×3 Fewest Moves30 moves35.33
top 14.8%35 / 366
Square-118.2125.83
top 23.9%123 / 759
7×74:13.754:20.10
top 35.6%75 / 270
6×62:50.883:02.37
top 36.5%95 / 343

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

Belgorod Open 2016: 21.83MPEI Open 2016: 18.56White City Cubing 2017: 13.77Tambov Summer 2017: 12.62Kursk Open 2017: 13.01Belgorod Open 2017: 11.85MPEI Open 2017: 13.06YJ Fest 2018: 12.20Voronezh Open 2018: 11.05White City Cubing 2018: 7.89Kursk Open 2018: 9.78Belgorod Open 2018: 9.56MPEI Open 2018: 11.09Voronezh Open 2019: 9.41CCC Open Moscow 2019: 9.67White City Cubing 2019: 9.87CCC Qualification Voronezh 2019: 8.84Kursk Open 2019: 8.39CCC Qualification Sochi 2019: 7.66Belgorod Open 2019: 9.33MPEI Open 2019: 9.00Ambato Open 2024: 9.467.6621.838 Oct 201614 Sep 2024

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-1 Pyraminx single — 49 people have one; it is 0.71 away.
  • A sub-2 Skewb single — 1,013 people have one; it is 0.21 away.

Targets move as he improves.