Head to head
Erik Akkersdijk vs Cornelius Dieckmann
Two careers, 403 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.
Erik Akkersdijk (Netherlands) and Cornelius Dieckmann (Germany) have met in 403 rounds across 31 competitions since 2009. Counting every round where both finished with a result, Erik Akkersdijk leads Cornelius Dieckmann: 204 finishes in front to 197 and 2 ties.
On personal bests the split is just as plain: across 17 shared events, Erik Akkersdijk holds the faster single in 10, Cornelius Dieckmann in 7.
Personal bests, side by side
faster single in bold| Event | Erik Akkersdijk single | average | Cornelius Dieckmann single | average |
|---|---|---|---|---|
| 3×3 | 6.54 | 8.08 | 4.77 | 7.02 |
| 2×2 | 0.96 | 2.68 | 0.84 | 2.33 |
| 4×4 | 26.57 | 31.53 | 28.72 | 33.60 |
| 5×5 | 52.25 | 59.20 | 51.79 | 1:01.95 |
| 6×6 | 1:55.41 | 2:03.35 | 2:20.07 | 2:30.23 |
| 7×7 | 2:58.38 | 3:07.31 | 3:32.41 | 3:46.68 |
| 3×3 blindfolded | 1:06.04 | 1:22.92 | 45.84 | 1:08.15 |
| 3×3 Fewest Moves | 20 moves | 29.33 | 21 moves | 26.00 |
| 3×3 one-handed | 11.28 | 15.96 | 9.43 | 11.56 |
| Clock | 8.34 | 10.24 | 11.13 | 19.18 |
| Megaminx | 47.18 | 52.60 | 1:28.19 | 1:35.94 |
| Pyraminx | 2.81 | 4.33 | 3.96 | 6.46 |
| Skewb | 3.53 | 8.98 | 15.96 | 24.54 |
| Square-1 | 17.56 | 26.45 | 20.41 | 31.15 |
| 4×4 blindfolded | 21:34.00 | — | 9:28.00 | — |
| 5×5 blindfolded | 31:57.00 | — | 31:49.00 | — |
| 3×3 Multi-Blind | 14 of 17 cubes · 55:47 | — | 6 of 6 cubes · 51:21 | — |
Year by year
every meeting, 403 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Erik Akkersdijk | Cornelius Dieckmann | ahead |
|---|---|---|---|---|---|---|
| 2025 | Rubik's WCA World Championship 2025 | 3×3 | First round | 8.88 | 9.17 | Erik Akkersdijk |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 | Second round | 9.65 | 9.00 | Cornelius Dieckmann |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 one-handed | First round | 16.94 | 15.28 | Cornelius Dieckmann |
| 2023 | Rubik's WCA World Championship 2023 | 3×3 | First round | 9.67 | 7.98 | Cornelius Dieckmann |
| 2023 | Rubik's WCA World Championship 2023 | 3×3 | Second round | 9.31 | 7.77 | Cornelius Dieckmann |
| 2022 | German Nationals 2022 | 3×3 | First round | 9.77 | 10.60 | Erik Akkersdijk |
| 2022 | German Nationals 2022 | 3×3 | Final | 8.77 | 8.61 | Cornelius Dieckmann |
| 2022 | German Nationals 2022 | 3×3 | Semi Final | 9.09 | 8.31 | Cornelius Dieckmann |
| 2022 | German Nationals 2022 | 3×3 | Second round | 8.77 | 7.97 | Cornelius Dieckmann |
| 2022 | German Nationals 2022 | 3×3 one-handed | Final | 19.33 | 13.33 | Cornelius Dieckmann |
| 2022 | German Nationals 2022 | 3×3 one-handed | First round | 16.39 | 13.57 | Cornelius Dieckmann |
| 2022 | German Nationals 2022 | 5×5 | First round | 1:04.10 | 1:20.43 | Erik Akkersdijk |
| 2019 | WCA World Championship 2019 | 3×3 | Semi Final | 9.95 | 7.99 | Cornelius Dieckmann |
| 2019 | WCA World Championship 2019 | 3×3 | Second round | 8.92 | 8.11 | Cornelius Dieckmann |
Full careers: Erik Akkersdijk · Cornelius Dieckmann. 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.