Head to head
Jaemin Chang (장재민) vs Junseop Kim (김준섭)
Two careers, 86 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.
Jaemin Chang (장재민) (Republic of Korea) and Junseop Kim (김준섭) (Republic of Korea) have met in 86 rounds across 20 competitions since 2017. Counting every round where both finished with a result, Jaemin Chang (장재민) leads Junseop Kim (김준섭): 73 finishes in front to 13.
On personal bests the split is just as plain: across 14 shared events, Jaemin Chang (장재민) holds the faster single in 13, Junseop Kim (김준섭) in 1.
Personal bests, side by side
faster single in bold| Event | Jaemin Chang (장재민) single | average | Junseop Kim (김준섭) single | average |
|---|---|---|---|---|
| 3×3 | 4.75 | 6.36 | 8.01 | 9.47 |
| 2×2 | 0.96 | 1.35 | 1.62 | 3.41 |
| 4×4 | 22.77 | 26.03 | 31.06 | 37.56 |
| 5×5 | 39.42 | 43.05 | 59.05 | 1:08.05 |
| 6×6 | 1:18.90 | 1:30.64 | 2:25.77 | 2:37.07 |
| 7×7 | 2:23.08 | 2:33.65 | 4:31.92 | 4:47.81 |
| 3×3 blindfolded | 55.72 | — | 3:37.80 | — |
| 3×3 Fewest Moves | 30 moves | 33.67 | 44 moves | 46.33 |
| 3×3 one-handed | 8.04 | 10.54 | 12.43 | 18.43 |
| Clock | 12.05 | 13.56 | 11.05 | 12.34 |
| Megaminx | 43.31 | 46.70 | 55.20 | 1:01.71 |
| Pyraminx | 2.06 | 4.17 | 3.62 | 6.02 |
| Skewb | 1.61 | 3.29 | 3.57 | 5.98 |
| Square-1 | 4.20 | 6.32 | 5.27 | 5.76 |
Year by year
every meeting, 86 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Jaemin Chang (장재민) | Junseop Kim (김준섭) | ahead |
|---|---|---|---|---|---|---|
| 2025 | Happy Suseong 2025 | 5×5 | First round | 47.70 | 1:09.60 | Jaemin Chang (장재민) |
| 2025 | Happy Suseong 2025 | 5×5 | Second round | 43.37 | 1:08.05 | Jaemin Chang (장재민) |
| 2025 | Happy Suseong 2025 | Square-1 | Second round | 8.76 | 6.94 | Junseop Kim (김준섭) |
| 2025 | Happy Suseong 2025 | Square-1 | First round | 7.40 | 8.21 | Jaemin Chang (장재민) |
| 2025 | Happy Suseong 2025 | Square-1 | Final | 7.73 | 6.52 | Junseop Kim (김준섭) |
| 2024 | Anyang Haseyo 2024 | 3×3 | First round | 7.89 | 9.65 | Jaemin Chang (장재민) |
| 2024 | Anyang Haseyo 2024 | Square-1 | First round | 8.51 | 7.18 | Junseop Kim (김준섭) |
| 2024 | Anyang Haseyo 2024 | Square-1 | Final | 6.32 | 5.76 | Junseop Kim (김준섭) |
| 2023 | Rubik's WCA World Championship 2023 | 3×3 | First round | 7.32 | 9.47 | Jaemin Chang (장재민) |
| 2023 | Rubik's WCA World Championship 2023 | 3×3 | Second round | 7.69 | 9.93 | Jaemin Chang (장재민) |
| 2023 | Rubik's WCA World Championship 2023 | 3×3 one-handed | First round | 12.27 | 19.76 | Jaemin Chang (장재민) |
| 2023 | Rubik's WCA World Championship 2023 | 5×5 | First round | 48.55 | 1:11.67 | Jaemin Chang (장재민) |
| 2023 | Rubik's WCA World Championship 2023 | Square-1 | First round | 8.71 | 7.44 | Junseop Kim (김준섭) |
| 2023 | Rubik's WCA World Championship 2023 | Square-1 | Final | 7.04 | 7.32 | Jaemin Chang (장재민) |
Full careers: Jaemin Chang (장재민) · Junseop Kim (김준섭). 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.