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People · Australia

David Epstein

3×3 · top 0.036% of 284,439 all-time · competing since November 2016 · 2016EPST02

David Epstein has been competing for 10 years. His best event is the 3×3: a personal-best single of 4.37, set at Melbourne Summer 2026, puts him in the top 0.036% of the 284,439 people who have ever been ranked in the event, and 7th in Australia. Until May 2018, no official 3×3 solve in the world had been that fast. Across 91 competitions since November 2016, he has put 5,220 official solves on the record across 15 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 23.20 in November 2016 to 4.37, an 81% improvement. David has entered 91 competitions, more competitions than 99% of everyone who has ever competed.

3×3
best event — top 0.036% of 284,439 all-time
4.37
signature single · Melbourne Summer 2026
5,220
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 standingAustralia
3×34.375.59
top 0.036%7 / 11,709
Square-14.315.28
top 0.075%2 / 899
3×3 one-handed7.379.26
top 0.11%6 / 2,659
4×422.6125.15
top 0.27%5 / 3,051
6×61:14.861:28.65
top 0.28%2 / 641
5×542.4247.46
top 0.36%3 / 1,356
2×21.021.35
top 0.59%62 / 8,567
Skewb1.793.52
top 0.9%35 / 3,534
Pyraminx1.882.79
top 0.95%53 / 5,993
7×72:06.002:22.14
top 0.98%3 / 523
3×3 Fewest Moves20 moves21.00
top 1.0%5 / 468
Megaminx38.3142.13
top 1.2%19 / 1,277
3×3 blindfolded32.70—
top 4.9%25 / 394
Clock6.507.57
top 9.1%110 / 1,095
3×3 Multi-Blind4 of 8 cubes · 28:35—
early days — 1 solve175 / 180

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

Melbourne Cube Days 2016: 23.20POPS Open 2016: 19.80Adelaide Summer 2017: 18.72Lifestyle Seasons Summer 2017: 13.84Cubing Classic 2017: 14.20Cube for Cambodia 2017: 10.95Australian Nationals 2017: 8.82Melbourne Cube Days 2017: 10.91ASFA Speedcubing 2018: 11.03Canberra Autumn 2018: 9.03Cube for Cambodia 2018: 10.32Melbourne Winter 2018: 8.47Horsham Winter 2018: 7.66Australian Nationals 2018: 6.48St Kevin's College Spring 2018: 7.45Melbourne Cube Days 2018: 7.44Melbourne Summer 2019: 8.26Brilliant Ballarat 2019: 8.06Cube for Cambodia 2019: 7.68Koalafication Melbourne 2019: 6.78WCA World Championship 2019: 7.76Horsham 2019: 8.23Altona Algorithms 2019: 7.10Puzzling Pakenham 2019: 6.71Melbourne Cube Days 2019: 7.47Hobart Hoedown 2019: 7.05Melbourne Summer 2020: 6.94Turn Around Tassie 2020: 8.65Melbourne Summer 2021: 7.04Barwon Cube for the Kids 2021: 7.15Solving in Sale 2021: 7.03Altona Algorithms Attempt 2 2021: 6.45December Series: Geelong says So-Long 2021: 6.38Melbourne Summer 2022: 6.29Brilliant Ballarat 2022: 6.08Melbourne Mini Saturday 2022: 6.13Solving in Sale 2022: 5.68Wonderful Williamstown 2022: 6.58Australian Nationals 2022: 5.36Koalafication Melbourne 2022: 6.14Melbourne Cube Days 2022: 5.86Rubik's WCA Oceanic Championship 2022: 5.89Melbourne Summer 2023: 6.22Speedcubing at Seaworks 2023: 5.98Solving in Sale 2023: 5.93Victorian Open 2023: 6.01Geelong Winter 2023: 5.49Melbourne Cubing for Kids Saturday 2023: 5.58Cranbourne Spring Saturday 2023: 5.38Australian Nationals 2023: 5.33Melbourne Cube Days 2023: 5.22Hampton Park Summer Saturday 2023: 5.50Melbourne Summer 2024: 5.26Altona Algorithms 2024: 5.67Solving In Sale 2024: 4.41Kensington May Saturday 2024: 4.63Australian Nationals 2024: 5.19Spark Melbourne Spring Sunday 2024: 5.76Melbourne Cube Days 2024: 5.21Rubik's WCA Oceanic Championship 2024: 5.56Melbourne Summer 2025: 5.38Spark Melbourne February 2025: 5.68Rubik's WCA World Championship 2025: 5.90Melbourne Cube Days 2025: 5.07Cubing at The Cube 2026: 4.77Tassie Summer 2026: 5.73Melbourne Summer 2026: 4.37North-East Melbourne March Sunday 2026: 4.90West Melbourne Open 2026: 5.01Solving in Sale 2026: 5.22Spark Melbourne Autumn Saturday 2026: 4.88Australian Nationals 2026: 4.924.3723.205 Nov 20169 Jul 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-4 3×3 single — 38 people have one; it is 0.37 away.
  • A sub-4 Square-1 single — 11 people have one; it is 0.31 away.

Targets move as he improves.