Head to head
Simon Kellum vs David Andron-Silva
Two careers, 46 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.
Simon Kellum (United States) and David Andron-Silva (United States) have met in 46 rounds across 6 competitions since 2023. Counting every round where both finished with a result, Simon Kellum leads David Andron-Silva: 31 finishes in front to 15.
On personal bests the split is just as plain: across 15 shared events, Simon Kellum holds the faster single in 13, David Andron-Silva in 2.
Personal bests, side by side
faster single in bold| Event | Simon Kellum single | average | David Andron-Silva single | average |
|---|---|---|---|---|
| 3×3 | 4.91 | 7.06 | 5.80 | 7.64 |
| 2×2 | 0.71 | 1.44 | 0.92 | 1.55 |
| 4×4 | 29.24 | 35.27 | 34.42 | 41.01 |
| 5×5 | 55.69 | 1:04.66 | 1:07.28 | 1:14.27 |
| 6×6 | 1:53.03 | 2:06.17 | 3:00.04 | 3:13.19 |
| 7×7 | 2:57.72 | 3:15.06 | 5:18.84 | 5:33.08 |
| 3×3 blindfolded | 39.08 | 1:02.97 | 4:20.81 | — |
| 3×3 Fewest Moves | 19 moves | 20.67 | 36 moves | 37.33 |
| 3×3 one-handed | 8.49 | 11.90 | 9.70 | 14.38 |
| Clock | 4.00 | 4.88 | 3.12 | 3.92 |
| Megaminx | 39.37 | 45.94 | 51.00 | 58.52 |
| Pyraminx | 0.73 | 1.53 | 1.08 | 1.54 |
| Skewb | 0.85 | 1.71 | 1.11 | 2.44 |
| Square-1 | 6.65 | 10.13 | 4.29 | 8.35 |
| 3×3 Multi-Blind | 10 of 12 cubes · 56:45 | — | 2 of 3 cubes · 28:35 | — |
Year by year
every meeting, 46 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Simon Kellum | David Andron-Silva | ahead |
|---|---|---|---|---|---|---|
| 2026 | Rubik's WCA North American Championship 2026 | 2×2 | First round | 2.36 | 2.57 | Simon Kellum |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | Second round | 7.60 | 9.42 | Simon Kellum |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | First round | 8.63 | 8.75 | Simon Kellum |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 one-handed | First round | 12.94 | 17.63 | Simon Kellum |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 | First round | 36.71 | 46.40 | Simon Kellum |
| 2026 | Rubik's WCA North American Championship 2026 | Clock | First round | 6.01 | 3.85 | Simon Kellum |
| 2026 | Rubik's WCA North American Championship 2026 | Pyraminx | First round | 2.10 | 1.88 | David Andron-Silva |
| 2026 | Rubik's WCA North American Championship 2026 | Pyraminx | Final | 2.65 | 1.95 | David Andron-Silva |
| 2026 | Rubik's WCA North American Championship 2026 | Pyraminx | Second round | 2.14 | 1.67 | David Andron-Silva |
| 2026 | Rubik's WCA North American Championship 2026 | Skewb | First round | 2.89 | 3.48 | Simon Kellum |
| 2026 | Rubik's WCA North American Championship 2026 | Skewb | Final | 3.09 | 3.00 | David Andron-Silva |
| 2026 | Rubik's WCA North American Championship 2026 | Skewb | Second round | 2.62 | 2.44 | David Andron-Silva |
| 2026 | Rubik's WCA North American Championship 2026 | Square-1 | First round | 12.82 | 9.38 | David Andron-Silva |
| 2026 | FMC World 2026 | 3×3 Fewest Moves | Final | 21.67 | 37.33 | Simon Kellum |
Full careers: Simon Kellum · David Andron-Silva. 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.