Head to head
Christopher Sun vs Curtis Chai
Two careers, 120 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.
Christopher Sun (United States) and Curtis Chai (United States) have met in 120 rounds across 11 competitions since 2022. Counting every round where both finished with a result, Christopher Sun leads Curtis Chai: 71 finishes in front to 49.
On personal bests the split is just as plain: across 14 shared events, Christopher Sun holds the faster single in 8, Curtis Chai in 6.
Personal bests, side by side
faster single in bold| Event | Christopher Sun single | average | Curtis Chai single | average |
|---|---|---|---|---|
| 3×3 | 4.14 | 5.69 | 4.96 | 6.03 |
| 2×2 | 0.80 | 1.72 | 0.70 | 1.11 |
| 4×4 | 20.51 | 24.01 | 20.53 | 24.23 |
| 5×5 | 40.19 | 44.61 | 43.49 | 48.84 |
| 6×6 | 1:19.18 | 1:25.41 | 1:25.96 | 1:34.85 |
| 7×7 | 2:10.30 | 2:12.56 | 2:32.52 | 2:37.52 |
| 3×3 blindfolded | 21.67 | 51.88 | 2:22.31 | — |
| 3×3 Fewest Moves | 34 moves | 38.00 | 36 moves | 39.00 |
| 3×3 one-handed | 11.06 | 13.06 | 10.26 | 12.02 |
| Clock | 7.04 | 7.68 | 2.72 | 3.69 |
| Megaminx | 36.16 | 41.88 | 36.17 | 38.75 |
| Pyraminx | 2.16 | 4.62 | 1.15 | 1.86 |
| Skewb | 3.46 | 4.30 | 1.39 | 2.52 |
| Square-1 | 7.75 | 11.88 | 5.85 | 9.14 |
Year by year
every meeting, 120 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Christopher Sun | Curtis Chai | ahead |
|---|---|---|---|---|---|---|
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 3×3 | Final | 5.31 | 4.96 | Curtis Chai |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 3×3 | Semi Final | 6.81 | 7.17 | Christopher Sun |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 3×3 | Second round | 6.10 | 7.72 | Christopher Sun |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 3×3 | First round | 6.71 | 6.96 | Christopher Sun |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 4×4 | First round | 27.37 | 27.12 | Curtis Chai |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 4×4 | Final | 24.01 | 24.91 | Christopher Sun |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 7×7 | Final | 2:18.40 | 3:04.46 | Christopher Sun |
| 2026 | Rubik's WCA North American Championship 2026 | 2×2 | First round | 2.61 | 1.90 | Curtis Chai |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | Semi Final | 6.92 | 6.90 | Curtis Chai |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | Second round | 6.49 | 7.03 | Christopher Sun |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | First round | 6.37 | 6.04 | Curtis Chai |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 one-handed | First round | 15.93 | 14.91 | Curtis Chai |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 | Second round | 27.23 | 24.23 | Curtis Chai |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 | First round | 24.68 | 27.56 | Christopher Sun |
Full careers: Christopher Sun · 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.