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People → Czech Republic → Petr Karčmař

People · Czech Republic

Petr Karčmař

3×3 one-handed · top 4.1% of 73,695 all-time · competing since August 2019 · 2019KARC02

Petr Karčmař has been competing for 7 years. Their best event is the 3×3 one-handed: a personal-best single of 12.79, set at Czech Open 2025, puts them in the top 4.1% of the 73,695 people who have ever been ranked in the event, and 15th in the Czech Republic. Until January 2010, no official 3×3 one-handed solve in the world had been that fast. Across 41 competitions since August 2019, they have put 1,773 official solves on the record across 14 events. Solve to solve, their 3×3 times vary about 15% around a typical one; 80% of the 35,811 competitors with ten or more counted rounds hold a tighter spread. That figure sets aside their 20 DNFs. Their 3×3 best has come down from 40.51 in August 2019 to 8.76, a 78% improvement. Petr has entered 41 competitions, more competitions than 99% of everyone who has ever competed.

3×3 one-handed
best event — top 4.1% of 73,695 all-time
12.79
signature single · Czech Open 2025
1,773
official solves on the record
15%
solve-to-solve spread · wider than 80% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingCzech Republic
3×3 one-handed12.7916.08
top 4.1%15 / 308
3×38.7612.42
top 4.3%83 / 787
Pyraminx3.756.04
top 6.5%77 / 460
Skewb3.435.91
top 7.3%43 / 320
Square-111.4314.24
top 8.7%16 / 168
Megaminx57.611:08.75
top 8.7%22 / 176
2×22.683.82
top 10.7%124 / 644
Clock7.799.15
top 14.2%42 / 166
4×443.0451.49
top 15.8%83 / 440
5×51:23.531:31.10
top 22.0%59 / 248
3×3 Fewest Moves34 moves39.67
top 26.7%25 / 79
7×73:56.034:14.18
top 29.2%28 / 99
6×62:46.702:51.06
top 34.4%44 / 122
3×3 blindfolded4:16.49—
early days — 3 solves51 / 73

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

Project Jastrzębie-Zdrój 2019: 40.51Cube4fun League VII Pawłowice 2022: 15.42KoprCube 2022: 12.17Kostelec Nonstop Cubing 2023: 12.52Prague Open 2023: 12.37Czech Open 2023: 11.88Prague NxNxN 2023: 10.39Prague Pyraminxing 2023: 9.94Czech Championship 2023: 10.76KoprCube 2023: 12.04Prague June 2024: 10.17Prague Summer Opener 2024: 12.96Frenštátský Cube Together 2024: 11.50Slovak Nationals 2024: 9.79North Slovakian Open 2024: 11.98Olsztyn Squared 2024: 11.24Czech Championship 2024: 10.33Czechowice-Dziedzice Open 2025: 11.74Czech Open 2025: 11.41Slovak Championship 2025: 15.55Frenštátský Cube Together 2025: 12.883x3 at 3 in Prague 2025: 11.43Prague CubeMas 2025: 10.24Żory Open 2026: 10.78Třinec Open 2026: 11.52Ružomberok Open 2026: 11.28Dobřejovice Special 2026: 11.56Cubing in Ružinov: April 2026: 10.88Onelooking in Olomouc 2026: 11.40Żmigród Open 2026: 11.84Slovak Championship 2026: 11.54Rubik's WCA European Championship 2026: 8.76Czech Open 2026: 10.81Kostelec Skewbing 2026: 10.548.7640.5124 Aug 201915 Aug 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 their.

Next targets

  • A sub-12 3×3 one-handed single — 2,187 people have one; it is 0.79 away.
  • A sub-8 3×3 single — 7,931 people have one; it is 0.76 away.

Targets move as they improves.