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People → Czech Republic → Vojtěch Grohmann

People · Czech Republic

Vojtěch Grohmann

Skewb · top 0.0013% of 74,164 all-time · competing since October 2021 · 2021GROH01

Vojtěch Grohmann has been competing for 5 years. His best event is the Skewb: a personal-best single of 0.73, set at Głuszyca Open 2026, puts him in the top 0.0013% of the 74,164 people who have ever been ranked in the event, and 1st in the Czech Republic. Until March 2026, no official Skewb solve in the world had been that fast. Across 48 competitions since October 2021, he has put 3,466 official solves on the record across 15 events. Solve to solve, his 3×3 times vary about 13% around a typical one; 53% of the 36,406 competitors with ten or more counted rounds hold a tighter spread. His Skewb best has come down from 3.18 in July 2022 to 0.73, a 77% improvement. He has entered 48 competitions, more competitions than 99% of everyone who has ever competed.

Skewb
best event — top 0.0013% of 74,164 all-time
0.73
signature single · Głuszyca Open 2026
3,466
official solves on the record
13%
solve-to-solve spread · wider than 53% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingCzech Republic
Skewb0.731.40
top 0.0013%1 / 328
Pyraminx1.242.51
top 0.17%4 / 469
2×20.781.74
top 0.21%3 / 652
4×422.6626.50
top 0.29%3 / 446
Megaminx33.8837.30
top 0.55%2 / 181
3×36.117.59
top 0.56%10 / 801
5×546.7553.21
top 1.0%4 / 254
Square-17.8411.31
top 2.8%6 / 172
6×61:40.011:45.08
top 4.1%7 / 123
3×3 Fewest Moves25 moves29.67
top 5.1%7 / 79
7×72:41.832:51.02
top 6.0%8 / 101
3×3 one-handed14.5417.03
top 7.2%26 / 317
3×3 blindfolded1:05.32—
top 14.7%12 / 73
Clock9.9612.32
top 24.7%60 / 172
3×3 Multi-Blind5 of 6 cubes · 45:11—
early days — 1 solve14 / 23

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

Kostelec Summer 2022: 3.18Lužice Open 2022: 2.69Prague Open 2022: 1.82Bratislava Christmas Cubing 2022: 1.77Kostelec Nonstop Cubing 2023: 1.65Prague Open 2023: 2.07GLS IV 2023: 1.37Czech Championship 2023: 1.78Bratislava Autumn 2023: 1.51Chorzów Open 2024: 1.36Prague Open 2024: 1.49Prague June 2024: 1.80Prague Summer Opener 2024: 1.36Rheinland-Pfalz Open 2024: 1.64North Slovakian Open 2024: 1.56Szansa Cubing Open Warsaw 2024: 0.99Rubik's German Nationals 2024: 1.32Prague CubeMas 2024: 1.39Lužice Winter 2024: 1.55Nitra Open 2025: 1.49Żory Open 2025: 1.54Hvidovre Side Events Marts 2025: 1.50Megaminx Mayhem Plzeň 2025: 1.14Prague Summer Opener 2025: 1.63Rubik's WCA World Championship 2025: 1.57Slovak Championship 2025: 1.26Back to Kostelec 2025: 1.31Czech Championship 2025: 1.47Kamppi Cube Weekend 2025: 1.28Prague CubeMas 2025: 1.31Dębica Cubing Winter 2026: 1.04Głuszyca Open 2026: 0.73Vltava Cube: March 2026: 1.20Vltava Cube: June 2026: 1.11Onelooking in Olomouc 2026: 1.11Slovak Championship 2026: 0.92Warm Up Lent 2026: 1.36Rubik's WCA European Championship 2026: 1.32Czech Open 2026: 0.92Kostelec Skewbing 2026: 0.95Czech Championship 2026: 1.14Mini Guildford in Olomouc 2026: 1.35Cubing in Hrádek 2026: 1.330.733.1823 Jul 202217 Oct 2026

Best single per competition, Skewb. 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 0.24 away.

Targets move as he improves.