In the past year (2025), Hajin Jeon (전하진) competed in 2 competitions and 31 rounds across 13 events, from Aug 15th to Dec 28th.
Solves/Attempts
He attempted 147 solves and completed 142.
| Event | Solves | Attempts |
| 3x3x3 Cube | 25 | 25 |
| 2x2x2 Cube | 20 | 20 |
| 4x4x4 Cube | 15 | 15 |
| Pyraminx | 15 | 15 |
| Skewb | 15 | 15 |
| 5x5x5 Cube | 10 | 10 |
| 3x3x3 One-Handed | 10 | 10 |
| Clock | 9 | 10 |
| Square-1 | 9 | 10 |
| Megaminx | 5 | 5 |
| 6x6x6 Cube | 3 | 3 |
| 7x7x7 Cube | 3 | 3 |
| 3x3x3 Blindfolded | 3 | 6 |
Personal Bests
He broke his personal best 32 times across 12 events, including 17 singles and 15 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 4 | 2 | 2 |
| 3x3x3 One-Handed | 4 | 2 | 2 |
| 2x2x2 Cube | 3 | 3 | 0 |
| 5x5x5 Cube | 3 | 1 | 2 |
| Clock | 3 | 1 | 2 |
| Pyraminx | 3 | 2 | 1 |
| Skewb | 3 | 1 | 2 |
| 4x4x4 Cube | 2 | 1 | 1 |
| 6x6x6 Cube | 2 | 1 | 1 |
| Megaminx | 2 | 1 | 1 |
| Square-1 | 2 | 1 | 1 |
| 3x3x3 Blindfolded | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| Clock | 18.15 | 8.55 | 9.60 (112.28%) |
| Pyraminx | 4.41 | 2.18 | 2.23 (102.29%) |
| Skewb | 4.12 | 3.28 | 0.84 (25.61%) |
| 2x2x2 Cube | 1.59 | 1.33 | 0.26 (19.55%) |
| 3x3x3 Cube | 8.66 | 7.31 | 1.35 (18.47%) |
| 4x4x4 Cube | 38.00 | 32.71 | 5.29 (16.17%) |
| 6x6x6 Cube | 2:50.70 | 2:32.60 | 18.10 (11.86%) |
| 3x3x3 Blindfolded | 1:50.08 | 1:39.18 | 10.90 (10.99%) |
| 5x5x5 Cube | 1:17.96 | 1:10.58 | 7.38 (10.46%) |
| Square-1 | 17.33 | 15.84 | 1.49 (9.41%) |
| 3x3x3 One-Handed | - | 15.08 | - |
| Megaminx | 1:16.30 | 1:16.30 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| Clock | 22.67 | 10.08 | 12.59 (124.90%) |
| Pyraminx | 6.13 | 4.91 | 1.22 (24.85%) |
| Square-1 | 26.21 | 21.66 | 4.55 (21.01%) |
| 5x5x5 Cube | 1:28.38 | 1:14.45 | 13.93 (18.71%) |
| Skewb | 5.80 | 5.02 | 0.78 (15.54%) |
| 4x4x4 Cube | 40.45 | 36.21 | 4.24 (11.71%) |
| 3x3x3 Cube | 9.36 | 8.44 | 0.92 (10.90%) |
| 6x6x6 Cube | 2:56.26 | 2:40.89 | 15.37 (9.55%) |
| Megaminx | 1:23.17 | 1:18.19 | 4.98 (6.37%) |
| 3x3x3 One-Handed | - | 19.87 | - |
Cubers
He met 395 cubers from 5 countries/regions, 88 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 307 |
| 2 | 88 |
| All | 395 |
Regions
He competed in 1 country/region.
