People · United States
David Cos
3×3 · top 67.6% of 284,439 all-time · competing since July 2026 · 2026COSD01
David Cos has been competing for 1 month. His best event is the 3×3: a personal-best single of 33.03, set at Temecula Valley Summer 2026, puts him in the top 67.6% of the 284,439 people who have ever been ranked in the event, and 40,688th in the United States. Across 1 competition since July 2026, he has put 15 official solves on the record across five events.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | United States | |
|---|---|---|---|---|---|
| 3×3 | 33.03 | 41.30 | top 67.6% | 40,688 / 59,724 | |
| Pyraminx | 13.60 | 17.81 | top 76.0% | 22,504 / 28,708 | |
| 4×4 | 2:04.42 | — | early days — 2 solves | 15,675 / 19,072 | |
| 3×3 one-handed | 1:53.85 | — | early days — 2 solves | 15,310 / 15,683 | |
| 6×6 | 8:54.65 | — | early days — 1 solve | 4,157 / 4,196 |
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 story so far
- 25 Jul 2026First competition: Temecula Valley Summer 2026. A 33.03 3×3 single to start from.
Competitions
- Temecula Valley Summer 2026 · 25 Jul 2026
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.
- Spencer Lam — met in 5 rounds, finished ahead once
- Daiven Strom — met in 5 rounds, never finished ahead
- Alex Lehman — met in 5 rounds, never finished ahead
Next targets
- A sub-30 3×3 single — 177,856 people have one; it is 3.03 away.
- A sub-12 Pyraminx single — 86,891 people have one; it is 1.60 away.
Targets move as he improves.