In the past year (2024), Joon Cha (차준혁) competed in 8 competitions and 30 rounds across 13 events, from Jan 6th to Dec 28th.
Solves/Attempts
He attempted 125 solves and completed 112.
| Event | Solves | Attempts |
| 3x3x3 Cube | 29 | 30 |
| 2x2x2 Cube | 15 | 15 |
| Clock | 15 | 15 |
| Skewb | 15 | 15 |
| 3x3x3 Blindfolded | 6 | 12 |
| 4x4x4 Cube | 5 | 5 |
| 5x5x5 Cube | 5 | 5 |
| Megaminx | 5 | 5 |
| Square-1 | 5 | 5 |
| 3x3x3 Fewest Moves | 4 | 6 |
| 7x7x7 Cube | 3 | 3 |
| 3x3x3 Multi-Blind | 3 | 3 |
| 4x4x4 Blindfolded | 2 | 6 |
Personal Bests
He broke his personal best 18 times across 10 events, including 10 singles and 8 averages.
| Event | Times | Single | Average |
| 3x3x3 Blindfolded | 3 | 2 | 1 |
| Skewb | 3 | 1 | 2 |
| 5x5x5 Cube | 2 | 1 | 1 |
| Clock | 2 | 1 | 1 |
| Megaminx | 2 | 1 | 1 |
| Square-1 | 2 | 1 | 1 |
| 4x4x4 Cube | 1 | 1 | 0 |
| 7x7x7 Cube | 1 | 0 | 1 |
| 4x4x4 Blindfolded | 1 | 1 | 0 |
| 3x3x3 Multi-Blind | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2023 | 2024 | Improvement |
| Square-1 | 39.40 | 18.90 | 20.50 (108.47%) |
| 3x3x3 Blindfolded | 1:42.62 | 1:15.72 | 26.90 (35.53%) |
| Skewb | 6.87 | 5.37 | 1.50 (27.93%) |
| Clock | 9.15 | 8.26 | 0.89 (10.77%) |
| Megaminx | 1:14.59 | 1:09.68 | 4.91 (7.05%) |
| 4x4x4 Cube | 38.61 | 36.89 | 1.72 (4.66%) |
| 5x5x5 Cube | 1:13.87 | 1:13.72 | 0.15 (0.20%) |
| 4x4x4 Blindfolded | - | 10:19.00 | - |
| 3x3x3 Multi-Blind | - | 10/10 51:37 | - |
Improvements of Average
| Event | ≤2023 | 2024 | Improvement |
| 3x3x3 Blindfolded | 2:30.99 | 1:27.12 | 1:03.87 (73.31%) |
| Square-1 | 40.49 | 27.35 | 13.14 (48.04%) |
| Skewb | 10.15 | 6.93 | 3.22 (46.46%) |
| Megaminx | 1:20.34 | 1:17.23 | 3.11 (4.03%) |
| 5x5x5 Cube | 1:24.62 | 1:21.86 | 2.76 (3.37%) |
| Clock | 9.76 | 9.55 | 0.21 (2.20%) |
| 7x7x7 Cube | 4:20.67 | 4:17.27 | 3.40 (1.32%) |
Cubers
He met 655 cubers from 16 countries/regions, 172 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 483 |
| 2 | 105 |
| 3 | 38 |
| 4 | 18 |
| 5 | 6 |
| 6 | 5 |
| All | 655 |
Regions
He competed in 2 countries/regions.