People · India
PK Arumugam
Pyraminx · top 2.8% of 129,321 all-time · competing since January 2014 · 2014ARUM01
PK Arumugam has been competing for 13 years. His best event is the Pyraminx: a personal-best single of 2.75, set at SSN Cube Open 2018, puts him in the top 2.8% of the 129,321 people who have ever been ranked in the event, and 146th in India. Until October 2010, no official Pyraminx solve in the world had been that fast. Across 50 competitions since January 2014, he has put 1,837 official solves on the record across twelve events. Solve to solve, his 3×3 times vary about 13% around a typical one; 60% of the 35,811 competitors with ten or more counted rounds hold a tighter spread. His 3×3 best has come down from 27.78 in January 2014 to 9.84, a 65% improvement. PK has entered 50 competitions, more competitions than 99% of everyone who has ever competed.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | India | |
|---|---|---|---|---|---|
| Pyraminx | 2.75 | 6.67 | top 2.8% | 146 / 8,934 | |
| 3×3 | 9.84 | 11.66 | top 7.0% | 757 / 20,018 | |
| 3×3 one-handed | 14.89 | 20.06 | top 7.9% | 255 / 4,516 | |
| 2×2 | 2.51 | 3.82 | top 9.0% | 731 / 12,146 | |
| Skewb | 5.10 | 8.89 | top 18.9% | 527 / 3,524 | |
| 4×4 | 48.92 | 56.93 | top 23.3% | 687 / 4,186 | |
| 5×5 | 1:28.37 | 1:39.67 | top 25.9% | 305 / 1,525 | |
| 3×3 Fewest Moves | 38 moves | 51.67 | top 40.9% | 179 / 600 | |
| 6×6 | 3:04.43 | 3:22.53 | top 43.2% | 186 / 531 | |
| 7×7 | 4:59.74 | 5:24.73 | top 50.5% | 166 / 360 | |
| Megaminx | 2:36.82 | 2:47.32 | top 64.5% | 760 / 1,443 | |
| Clock | 29.81 | 35.66 | top 84.1% | 821 / 1,092 |
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
Best single per competition, 3×3. Faster is higher — the axis is the right way up.
The story so far
- 25 Feb 2023Five personal bests in one day at RVITM Big N Blind 2023.
- 23 Mar 2018Nine personal bests in one day at SRM Cube Open 2018.
- 24 Feb 2018First sub-10 3×3: 9.97 at Anokha Cubing Royale 2018.
- 24 Feb 2018Three personal bests in one day at Anokha Cubing Royale 2018.
- 3 Feb 2018Three personal bests in one day at CMI Tessellate Cube Open 2018.
- 22 Sep 2017Five personal bests in one day at VIT Rubik's Cube Challenge 2017.
Competitions
- Six Face Cube Run at TRINS 2025 · 7 Dec 2025
- SSN Cube Challenge 2025 · 15 Nov 2025
- Kumaraguru Cube Open 2025 · 11 Oct 2025 — 2 personal bests set
- VIT Cube Open 2025 · 13 Sep 2025
- Play Extreme Cubing A 2025 · 3 Aug 2025
- TN Hits Century FMC Ooty 2025 · 21 Jun 2025 — 1 personal best set
- Cubing Comes to Madurai 2025 · 20 Apr 2025
- Anna Kalyanam in Jolarpet 2025 · 15 Mar 2025
- Pragyan Cube Open 2025 · 22 Feb 2025
- SSN Cube Open 2025 · 8 Feb 2025
- Chennai Beach House Open 2025 · 25 Jan 2025
- Back to Cubing Madras 2025 · 11 Jan 2025
- Kumaraguru Cube Open 2024 · 15 Aug 2024 — 1 personal best set
- Salem Summer Open 2024 · 11 May 2024 — 1 personal best set
- Rajalakshmi Engineering College Cube Open 2024 · 17 Mar 2024
- Big N Blind Bangalore March 2024 · 9 Mar 2024 — 2 personal bests set
- C3 Republic Day 2024 · 26 Jan 2024
- CMI Tessellate Cube Open 2024 · 26 Jan 2024 — 1 personal best set
- Indian Nationals 2023 · 15 Dec 2023 — 1 personal best set
- C3 Independence Day Open 2023 · 15 Aug 2023 — 1 personal best set
- MCC Cube Open 2023 · 19 Mar 2023
- RVITM Big N Blind 2023 · 25 Feb 2023 — 5 personal bests set
- CMI Tessellate Cube Open 2023 · 4 Feb 2023 — 2 personal bests set
- Chennai Cubing Club Meetup 2023 · 4 Feb 2023
- Cubing Saturday in SSN 2022 · 17 Dec 2022 — 1 personal best set
- KSRCT Cube Open 2022 · 3 Dec 2022 — 2 personal bests set
- Cubing ATMOSphere 2022 · 26 Nov 2022 — 1 personal best set
- Thoothukudi Cube Open 2022 · 9 Oct 2022
- Cubing Comes To Pondy 2022 · 21 Aug 2022 — 1 personal best set
- SRM Cube Open 2019 · 19 Oct 2019
- Shaastra Cube Open 2019 · 5 Jan 2019
- Phoenix C3 Open 2018 · 1 Dec 2018
- Gravitas Cube Open 2018 · 13 Oct 2018
- SSN Cube Open 2018 · 28 Jul 2018 — 2 personal bests set
- SRM Cube Open 2018 · 23 Mar 2018 — 9 personal bests set
- Takshashila Cube Open 2018 · 3 Mar 2018 — 1 personal best set
- Anokha Cubing Royale 2018 · 24 Feb 2018 — 3 personal bests set
- Carte Blanche Kube Open 2018 · 10 Feb 2018 — 2 personal bests set
- CMI Tessellate Cube Open 2018 · 3 Feb 2018 — 3 personal bests set
- Shaastra Cube Open 2018 · 6 Jan 2018 — 1 personal best set
- VIT Rubik's Cube Challenge 2017 · 22 Sep 2017 — 5 personal bests set
- ICC Juniors August 2017 · 12 Aug 2017 — 4 personal bests set
- SSN Cube Open 2017 · 28 Jul 2017 — 5 personal bests set
- Cubing Kerala Alappey Open 2017 · 8 Jul 2017 — 8 personal bests set
- Indian Nationals 2017 · 12 May 2017 — 1 personal best set
- Shaastra Cube Open 2017 · 31 Dec 2016 — 3 personal bests set
- Shaastra Cube Open 2016 · 23 Jan 2016 — 2 personal bests set
- Indian Nationals 2015 · 29 May 2015 — 3 personal bests set
- CMI Fiesta Open 2014 · 21 Mar 2014 — 2 personal bests set
- Shaastra Cube Open 2014 · 4 Jan 2014
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.
- Arun Kannan — met in 199 rounds, finished ahead 106 times
- Rahul Venkatesan — met in 166 rounds, finished ahead 59 times
- Sujai Shakthivel — met in 151 rounds, finished ahead 30 times
Next targets
- A sub-2 Pyraminx single — 1,476 people have one; it is 0.75 away.
- A sub-8 3×3 single — 7,931 people have one; it is 1.84 away.
Targets move as he improves.