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People · Netherlands

Koen van Aller

3×3 · top 3.2% of 284,439 all-time · competing since September 2017 · 2017ALLE05

Koen van Aller has been competing for 9 years. His best event is the 3×3: a personal-best single of 8.24, set at Cubing in Oud IJsselmuiden 2025, puts him in the top 3.2% of the 284,439 people who have ever been ranked in the event, and 95th in the Netherlands. Until July 2008, no official 3×3 solve in the world had been that fast. Across 52 competitions since September 2017, he has put 1,905 official solves on the record across 14 events. Solve to solve, his 3×3 times vary about 10% around a typical one, steadier than 95% of the 35,811 competitors with ten or more counted rounds. His 2×2 best has come down from 3.57 in January 2018 to 2.10, a 41% improvement. Koen has entered 52 competitions, more competitions than 99% of everyone who has ever competed.

3×3
best event — top 3.2% of 284,439 all-time
8.24
signature single · Cubing in Oud IJsselmuiden 2025
1,905
official solves on the record
10%
solve-to-solve spread · steadier than 95% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingNetherlands
3×38.249.75
top 3.2%95 / 2,294
Pyraminx2.894.69
top 3.3%58 / 1,283
2×22.103.62
top 5.4%118 / 1,665
4×436.4941.30
top 8.1%68 / 1,000
Clock6.918.73
top 10.6%43 / 466
5×51:08.601:17.33
top 10.6%45 / 532
3×3 one-handed16.6319.65
top 11.7%66 / 726
Megaminx1:11.851:23.66
top 16.8%73 / 414
Skewb5.257.71
top 20.1%211 / 957
3×3 Fewest Moves32 moves38.67
top 20.4%41 / 167
6×62:25.182:36.54
top 23.2%43 / 205
7×73:45.603:53.73
top 25.5%33 / 169
Square-122.3330.06
top 33.2%119 / 407
3×3 blindfolded2:58.434:29.02
top 52.0%60 / 132

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

Happy New Year Cubing Dordrecht 2018: 3.57Veenendaal Open 2018: 4.26Dutch Nationals 2018: 3.23Happy New Year Cubing Nijmegen 2019: 4.62Dutch Masters 2019: 4.58Star Cubing Nijmegen 2019: 2.31Hoogland Open 2019: 4.32Dutch Nationals 2019: 2.96Dutch Open 2019: 4.53Dutch Masters 2020: 3.33Star Cubing Nijmegen 2020: 3.80Dutch Spring 2022: 3.16Hoorn Open 2022: 3.73Westfries Open 2022: 2.24Dutch Nationals 2022: 3.99Ermelo Cubing A 2023: 2.75Dutch Open 2023: 3.28On Alphen Track to Records 24h 2023: 5.39Dutch Autumn 2023: 4.77Dutch Nationals 2023: 2.23Take Your Time Ermelo 2023: 3.12Leersum Algs 2024: 3.72Dutch Winter South 2024: 3.36Arnhem Open A 2024: 2.22Leersum Algs 24 Hours in 2024: 2.10Dutch Open 2024: 2.50Dutch Nationals 2024: 3.68Leersum Squared 2025: 2.49Lente in Lent 2025: 3.72Take Your Time Ermelo 2025: 2.84Leersum Open 2026: 3.74Breda Open 2026: 2.39Rubik's WCA European Championship 2026: 3.752.105.395 Jan 201816 Jul 2026

Best single per competition, 2×2. 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-8 3×3 single — 7,931 people have one; it is 0.24 away.
  • A sub-2 Pyraminx single — 1,476 people have one; it is 0.89 away.

Targets move as he improves.