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People → Poland → Marcin Karczmarz

People · Poland

Marcin Karczmarz

2×2 · top 1.9% of 186,767 all-time · competing since September 2023 · 2023KARC01

Marcin Karczmarz has been competing for 3 years. His best event is the 2×2: a personal-best single of 1.44, set at Energy Cube Białołęka 2025, puts him in the top 1.9% of the 186,767 people who have ever been ranked in the event, and 200th in Poland. Until November 2008, no official 2×2 solve in the world had been that fast. Across 25 competitions since September 2023, he has put 743 official solves on the record across 14 events. Solve to solve, his 3×3 times vary about 12% around a typical one, steadier than 72% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 42.27 in September 2023 to 10.44, a 75% improvement. Marcin has entered 25 competitions, more competitions than 98% of everyone who has ever competed.

2×2
best event — top 1.9% of 186,767 all-time
1.44
signature single · Energy Cube Białołęka 2025
743
official solves on the record
12%
solve-to-solve spread · steadier than 72% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingPoland
2×21.443.39
top 1.9%200 / 5,422
Pyraminx3.084.60
top 3.9%290 / 4,406
3×310.4412.38
top 8.8%774 / 6,576
Clock7.168.32
top 11.6%246 / 1,549
Megaminx1:16.541:26.26
top 19.6%289 / 1,384
Skewb5.277.73
top 20.3%758 / 2,810
4×449.1352.58
top 23.6%664 / 2,851
5×51:32.401:43.81
top 29.3%406 / 1,442
3×3 one-handed23.4025.46
top 29.8%638 / 2,176
7×75:01.36—
top 51.0%253 / 546
3×3 blindfolded2:56.13—
top 51.3%243 / 466
6×63:50.114:27.74
top 62.3%391 / 669
Square-155.54—
early days — 2 solves788 / 1,002
3×3 Fewest Moves52 moves—
early days — 2 solves397 / 466

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

Cube4fun Siedlce Autumn 2023: 42.27Cube4fun Double Weekend Warsaw 2023: 41.48Leersum Squared 2025: 27.00Hasselt Sunday Open 2025: 26.52Leuven Open 2025: 21.31Cube Factory League Koluszki 2025: 18.58Cool Down Szczecin 2025: 16.44Rubik's Dutch Nationals 2025: 14.33Visé Saturday Open 2025: 14.29Energy Cube Białołęka 2025: 14.68Ranst Autumn 2025: 12.11Zottegem Open 2025: 15.79Polish Championship 2025: 13.05Belgian Nationals 2025: 12.22Harly Open 2025: 13.93Leuven Open 2026: 13.80No Rush Hasselt 2026: 11.52Aachen Summer Open 2026: 11.96Cube Factory League Brzeziny 2026: 10.44Koszalin Open 2026: 12.7710.4442.2716 Sep 202322 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 his.

Next targets

  • A sub-1 2×2 single — 1,032 people have one; it is 0.44 away.
  • A sub-3 Pyraminx single — 4,700 people have one; it is 0.08 away.

Targets move as he improves.