Head to head
Calvin Nielson vs Max Siauw
Two careers, 428 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.
Calvin Nielson (United States) and Max Siauw (United States) have met in 428 rounds across 38 competitions since 2017. Counting every round where both finished with a result, Max Siauw leads Calvin Nielson: 411 finishes in front to 16 and 1 tie.
On personal bests the split is just as plain: across 16 shared events, Max Siauw holds the faster single in 15, Calvin Nielson in 1.
Personal bests, side by side
faster single in bold| Event | Calvin Nielson single | average | Max Siauw single | average |
|---|---|---|---|---|
| 3×3 | 7.41 | 9.37 | 3.70 | 5.49 |
| 2×2 | 1.02 | 2.67 | 0.83 | 1.44 |
| 4×4 | 34.64 | 43.51 | 20.72 | 23.98 |
| 5×5 | 1:11.59 | 1:24.03 | 41.52 | 45.49 |
| 6×6 | 2:28.88 | 2:37.29 | 1:14.57 | 1:22.60 |
| 7×7 | 3:58.09 | 4:14.47 | 2:02.57 | 2:06.76 |
| 3×3 blindfolded | 1:23.60 | 3:12.71 | 20.20 | 28.88 |
| 3×3 Fewest Moves | 20 moves | 24.33 | 26 moves | 29.33 |
| 3×3 one-handed | 12.92 | 17.81 | 7.58 | 11.00 |
| Clock | 4.75 | 6.40 | 4.08 | 6.22 |
| Megaminx | 1:02.11 | 1:09.66 | 34.83 | 41.81 |
| Pyraminx | 2.97 | 5.38 | 1.69 | 2.90 |
| Skewb | 2.54 | 4.71 | 1.96 | 3.34 |
| Square-1 | 4.66 | 6.58 | 3.69 | 4.91 |
| 4×4 blindfolded | 13:19.00 | — | 3:17.12 | 3:51.27 |
| 3×3 Multi-Blind | 2 of 2 cubes · 9:12 | — | 13 of 13 cubes · 48:50 | — |
Year by year
every meeting, 428 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Calvin Nielson | Max Siauw | ahead |
|---|---|---|---|---|---|---|
| 2026 | Bay Area Speedcubin' 69 2026 | 3×3 | First round | 11.87 | 7.10 | Max Siauw |
| 2026 | Bay Area Speedcubin' 69 2026 | 6×6 | First round | 2:50.53 | 1:33.04 | Max Siauw |
| 2026 | Rubik's WCA North American Championship 2026 | 2×2 | First round | 3.75 | 1.73 | Max Siauw |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | First round | 12.63 | 7.05 | Max Siauw |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 | First round | 46.86 | 27.96 | Max Siauw |
| 2026 | Rubik's WCA North American Championship 2026 | Square-1 | Final | 9.20 | 6.41 | Max Siauw |
| 2026 | Rubik's WCA North American Championship 2026 | Square-1 | Second round | 7.23 | 6.42 | Max Siauw |
| 2026 | Rubik's WCA North American Championship 2026 | Square-1 | First round | 6.85 | 5.66 | Max Siauw |
| 2025 | Rubik's x TheCubicle CubingUSA All-Stars 2025 | Square-1 | Final | 7.25 | 5.62 | Max Siauw |
| 2024 | CubingUSA Western Championship 2024 | 2×2 | Second round | 5.47 | 1.60 | Max Siauw |
| 2024 | CubingUSA Western Championship 2024 | 2×2 | First round | 4.24 | 2.34 | Max Siauw |
| 2024 | CubingUSA Western Championship 2024 | 3×3 | First round | 11.16 | 6.58 | Max Siauw |
| 2024 | CubingUSA Western Championship 2024 | 3×3 | Second round | 13.03 | 7.90 | Max Siauw |
| 2024 | CubingUSA Western Championship 2024 | 3×3 blindfolded | First round | 1:42.38 | 20.20 | Max Siauw |
Full careers: Calvin Nielson · Max Siauw. 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.