Head to head
Ari Randers-Pehrson vs Curtis Chai
Two careers, 117 shared rounds, one running count. Everything below comes from the official results the two of them posted in the same rounds of the same competitions.
Ari Randers-Pehrson (United States) and Curtis Chai (United States) have met in 117 rounds across 10 competitions since 2022. Counting every round where both finished with a result, Ari Randers-Pehrson leads Curtis Chai: 60 finishes in front to 57.
On personal bests the split is just as plain: across 14 shared events, Curtis Chai holds the faster single in 9, Ari Randers-Pehrson in 5.
Personal bests, side by side
faster single in bold| Event | Ari Randers-Pehrson single | average | Curtis Chai single | average |
|---|---|---|---|---|
| 3×3 | 5.08 | 7.25 | 4.96 | 6.03 |
| 2×2 | 1.45 | 2.78 | 0.70 | 1.11 |
| 4×4 | 19.48 | 22.49 | 20.53 | 24.23 |
| 5×5 | 42.02 | 45.89 | 43.49 | 48.84 |
| 6×6 | 1:23.96 | 1:31.36 | 1:25.96 | 1:34.85 |
| 7×7 | 2:18.84 | 2:31.92 | 2:32.52 | 2:37.52 |
| 3×3 blindfolded | 4:31.55 | — | 2:22.31 | — |
| 3×3 Fewest Moves | 33 moves | 39.67 | 36 moves | 39.00 |
| 3×3 one-handed | 13.54 | 16.54 | 10.26 | 12.02 |
| Clock | 8.16 | 9.15 | 2.72 | 3.69 |
| Megaminx | 1:12.12 | 1:18.15 | 36.17 | 38.75 |
| Pyraminx | 3.82 | 6.52 | 1.15 | 1.86 |
| Skewb | 2.68 | 5.56 | 1.39 | 2.52 |
| Square-1 | 9.40 | 11.74 | 5.85 | 9.14 |
Year by year
every meeting, 117 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Ari Randers-Pehrson | Curtis Chai | ahead |
|---|---|---|---|---|---|---|
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 2×2 | Second round | 3.26 | 1.60 | Curtis Chai |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 2×2 | First round | 3.73 | 1.31 | Curtis Chai |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 3×3 | Semi Final | 8.30 | 7.17 | Curtis Chai |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 3×3 | Second round | 8.05 | 7.72 | Curtis Chai |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 3×3 | First round | 7.37 | 6.96 | Curtis Chai |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 3×3 one-handed | First round | 19.83 | 13.09 | Curtis Chai |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 4×4 | First round | 25.50 | 27.12 | Ari Randers-Pehrson |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 4×4 | Final | 24.55 | 24.91 | Ari Randers-Pehrson |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 5×5 | First round | 45.89 | 53.66 | Ari Randers-Pehrson |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 5×5 | Final | 50.97 | 49.57 | Curtis Chai |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 6×6 | Final | 1:39.49 | 1:43.73 | Ari Randers-Pehrson |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 7×7 | Final | 2:36.60 | 3:04.46 | Ari Randers-Pehrson |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | Square-1 | First round | 21.41 | 11.97 | Curtis Chai |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | Second round | 8.59 | 7.03 | Curtis Chai |
Full careers: Ari Randers-Pehrson · Curtis Chai. A meeting is a round of one event at one competition where both finished with a counted result. Who finished ahead follows official placing in the round: rounds played to an average are won on the average, best-of rounds on the single.