People · Portugal
David Nunes Teixeira Castro
2×2 · top 1.7% of 189,179 all-time · competing since May 2025 · 2025CAST23
David Nunes Teixeira Castro has been competing for a year. His best event is the 2×2: a personal-best single of 1.38, set at Afonso de Paiva Cube Day 2025, puts him in the top 1.7% of the 189,179 people who have ever been ranked in the event, and 11th in Portugal. Until November 2008, no official 2×2 solve in the world had been that fast. Across 10 competitions since May 2025, he has put 373 official solves on the record across eleven events. Solve to solve, his 3×3 times vary about 18% around a typical one; 98% of the 36,406 competitors with ten or more counted rounds hold a tighter spread. His 2×2 best has come down from 4.17 in May 2025 to 1.38, a 67% improvement. David has entered ten competitions, more competitions than 92% of everyone who has ever competed.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | Portugal | |
|---|---|---|---|---|---|
| 2×2 | 1.38 | 3.46 | top 1.7% | 11 / 429 | |
| 3×3 | 8.19 | 11.14 | top 3.1% | 19 / 565 | |
| Skewb | 4.12 | 6.55 | top 11.8% | 25 / 183 | |
| 3×3 one-handed | 20.07 | 25.74 | top 20.7% | 29 / 162 | |
| 4×4 | 48.61 | 56.92 | top 23.0% | 48 / 228 | |
| Pyraminx | 6.92 | 10.78 | top 27.3% | 92 / 269 | |
| Square-1 | 21.85 | 33.78 | top 32.2% | 37 / 98 | |
| Clock | 12.97 | 16.24 | top 39.5% | 64 / 132 | |
| 5×5 | 2:12.41 | 2:34.98 | top 56.9% | 61 / 112 | |
| 3×3 Fewest Moves | 44 moves | — | early days — 2 solves | 26 / 38 | |
| Megaminx | 2:37.34 | 2:53.76 | top 64.9% | 77 / 115 |
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, 2×2. Faster is higher — the axis is the right way up.
The story so far
- 23 Aug 2025Six personal bests in one day at Azeméis Open 2025.
- 14 Jun 2025First sub-10 3×3: 8.74 at Damásio Open 2025.
- 14 Jun 2025Five personal bests in one day at Damásio Open 2025.
- 3 May 2025First competition: CNSE ao Cubo 2025. A 13.01 3×3 single to start from.
Competitions
- CNSE ao Cubo 2026 · 9 May 2026
- Felgueiras ao Cubo 2026 · 25 Apr 2026
- AEO Moliceiro Open 2026 · 31 Jan 2026
- Portugal Championship 2025 · 29 Nov 2025 — 1 personal best set
- Afonso de Paiva Cube Day 2025 · 8 Nov 2025 — 2 personal bests set
- FMC Iberian Championship 2025 · 18 Oct 2025
- Azeméis Open 2025 · 23 Aug 2025 — 6 personal bests set
- CCM Baltar Open 2025 · 12 Jul 2025 — 2 personal bests set
- Damásio Open 2025 · 14 Jun 2025 — 5 personal bests set
- CNSE ao Cubo 2025 · 3 May 2025
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.
- Pedro Azevedo — met in 78 rounds, finished ahead once
- Fausto Claro da Fonte — met in 76 rounds, finished ahead 13 times
- Eduardo Pires — met in 71 rounds, finished ahead 15 times
Next targets
- A sub-1 2×2 single — 1,050 people have one; it is 0.38 away.
- A sub-8 3×3 single — 8,101 people have one; it is 0.19 away.
Targets move as he improves.