Head to head
Helmer Ewert vs Simon Kellum
Two careers, 55 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.
Helmer Ewert (Sweden) and Simon Kellum (United States) have met in 55 rounds across 4 competitions since 2022. Counting every round where both finished with a result, Simon Kellum leads Helmer Ewert: 32 finishes in front to 23.
On personal bests the split is just as plain: across 17 shared events, Simon Kellum holds the faster single in 10, Helmer Ewert in 7.
Personal bests, side by side
faster single in bold| Event | Helmer Ewert single | average | Simon Kellum single | average |
|---|---|---|---|---|
| 3×3 | 5.65 | 7.21 | 4.91 | 7.06 |
| 2×2 | 0.74 | 1.77 | 0.71 | 1.44 |
| 4×4 | 26.40 | 33.24 | 29.24 | 35.27 |
| 5×5 | 54.50 | 1:01.72 | 55.69 | 1:04.66 |
| 6×6 | 1:56.22 | 2:04.86 | 1:53.03 | 2:06.17 |
| 7×7 | 2:59.43 | 3:14.87 | 2:57.72 | 3:15.06 |
| 3×3 blindfolded | 37.44 | 53.69 | 39.08 | 1:02.97 |
| 3×3 Fewest Moves | 23 moves | 27.00 | 19 moves | 20.67 |
| 3×3 one-handed | 9.98 | 12.83 | 8.49 | 11.90 |
| Clock | 5.29 | 6.50 | 4.00 | 4.88 |
| Megaminx | 42.35 | 51.85 | 39.37 | 45.94 |
| Pyraminx | 1.00 | 2.64 | 0.73 | 1.53 |
| Skewb | 1.56 | 3.73 | 0.85 | 1.71 |
| Square-1 | 5.65 | 7.18 | 6.65 | 10.13 |
| 4×4 blindfolded | 4:19.82 | 6:23.17 | 7:34.34 | — |
| 5×5 blindfolded | 11:33.00 | 20:50.00 | 19:52.00 | — |
| 3×3 Multi-Blind | 17 of 18 cubes · 57:15 | — | 10 of 12 cubes · 56:45 | — |
Year by year
every meeting, 55 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Helmer Ewert | Simon Kellum | ahead |
|---|---|---|---|---|---|---|
| 2025 | Rubik's WCA World Championship 2025 | 3×3 | First round | 8.21 | 9.81 | Helmer Ewert |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 blindfolded | First round | 58.17 | — | Helmer Ewert |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 one-handed | First round | 14.43 | 13.76 | Simon Kellum |
| 2025 | Rubik's WCA World Championship 2025 | 4×4 | First round | 35.16 | 37.70 | Helmer Ewert |
| 2025 | Rubik's WCA World Championship 2025 | 5×5 | First round | 1:11.25 | 1:09.99 | Simon Kellum |
| 2025 | Rubik's WCA World Championship 2025 | Pyraminx | First round | 3.98 | 2.14 | Simon Kellum |
| 2025 | Rubik's WCA World Championship 2025 | Skewb | Second round | 5.99 | 4.07 | Simon Kellum |
| 2025 | Rubik's WCA World Championship 2025 | Skewb | First round | 4.42 | 2.81 | Simon Kellum |
| 2025 | Rubik's WCA World Championship 2025 | Square-1 | First round | 11.84 | 11.19 | Simon Kellum |
| 2024 | Rubik's WCA European Championship 2024 | 2×2 | First round | 3.10 | 2.45 | Simon Kellum |
| 2024 | Rubik's WCA European Championship 2024 | 2×2 | Second round | 3.13 | 3.00 | Simon Kellum |
| 2024 | Rubik's WCA European Championship 2024 | 3×3 | First round | 8.95 | 8.24 | Simon Kellum |
| 2024 | Rubik's WCA European Championship 2024 | 3×3 | Second round | 7.67 | 10.17 | Helmer Ewert |
| 2024 | Rubik's WCA European Championship 2024 | 3×3 blindfolded | First round | 53.52 | 57.74 | Helmer Ewert |
Full careers: Helmer Ewert · Simon Kellum. 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.