Head to head
Chris Chi vs Calvin Nielson
Two careers, 163 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.
Chris Chi (United States) and Calvin Nielson (United States) have met in 163 rounds across 14 competitions since 2017. Counting every round where both finished with a result, Chris Chi leads Calvin Nielson: 134 finishes in front to 29.
On personal bests the split is just as plain: across 16 shared events, Chris Chi holds the faster single in 15, Calvin Nielson in 1.
Personal bests, side by side
faster single in bold| Event | Chris Chi single | average | Calvin Nielson single | average |
|---|---|---|---|---|
| 3×3 | 4.96 | 7.36 | 7.41 | 9.37 |
| 2×2 | 0.65 | 1.26 | 1.02 | 2.67 |
| 4×4 | 26.52 | 31.83 | 34.64 | 43.51 |
| 5×5 | 53.22 | 56.70 | 1:11.59 | 1:24.03 |
| 6×6 | 1:37.02 | 1:42.74 | 2:28.88 | 2:37.29 |
| 7×7 | 2:44.58 | 2:50.02 | 3:58.09 | 4:14.47 |
| 3×3 blindfolded | 20.40 | 25.75 | 1:23.60 | 3:12.71 |
| 3×3 Fewest Moves | 18 moves | 20.00 | 20 moves | 24.33 |
| 3×3 one-handed | 10.19 | 13.97 | 12.92 | 17.81 |
| Clock | 3.13 | 5.35 | 4.75 | 6.40 |
| Megaminx | 45.02 | 52.30 | 1:02.11 | 1:09.66 |
| Pyraminx | 1.68 | 3.59 | 2.97 | 5.38 |
| Skewb | 1.22 | 2.44 | 2.54 | 4.71 |
| Square-1 | 5.05 | 7.04 | 4.66 | 6.58 |
| 4×4 blindfolded | 3:09.72 | 9:02.32 | 13:19.00 | — |
| 3×3 Multi-Blind | 24 of 26 cubes · 58:53 | — | 2 of 2 cubes · 9:12 | — |
Year by year
every meeting, 163 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Chris Chi | Calvin Nielson | ahead |
|---|---|---|---|---|---|---|
| 2026 | Rubik's WCA North American Championship 2026 | 2×2 | First round | 4.88 | 3.75 | Calvin Nielson |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | First round | 9.56 | 12.63 | Chris Chi |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 Fewest Moves | Final | 22.33 | 28.67 | Chris Chi |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 one-handed | First round | 19.10 | 20.70 | Chris Chi |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 | First round | 32.25 | 46.86 | Chris Chi |
| 2026 | Rubik's WCA North American Championship 2026 | Pyraminx | First round | 5.37 | 8.29 | Chris Chi |
| 2026 | Rubik's WCA North American Championship 2026 | Skewb | First round | 3.04 | 6.23 | Chris Chi |
| 2026 | Rubik's WCA North American Championship 2026 | Square-1 | Final | 8.70 | 9.20 | Chris Chi |
| 2026 | Rubik's WCA North American Championship 2026 | Square-1 | Second round | 8.15 | 7.23 | Calvin Nielson |
| 2026 | Rubik's WCA North American Championship 2026 | Square-1 | First round | 9.23 | 6.85 | Calvin Nielson |
| 2026 | FMC World 2026 | 3×3 Fewest Moves | Final | 21.33 | 24.33 | Chris Chi |
| 2024 | CubingUSA Western Championship 2024 | 2×2 | Second round | 1.59 | 5.47 | Chris Chi |
| 2024 | CubingUSA Western Championship 2024 | 2×2 | First round | 2.40 | 4.24 | Chris Chi |
| 2024 | CubingUSA Western Championship 2024 | 3×3 | Second round | 8.99 | 13.03 | Chris Chi |
Full careers: Chris Chi · Calvin Nielson. 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.