In the past year (2025), Zijian Cai (蔡子健) competed in 19 competitions and 212 rounds across 13 events, from Jan 4th to Dec 28th.
Podiums
He has been on the podium 20 times across 8 events, including 5 golds, 4 silvers, and 11 bronzes.
| Event | Gold | Silver | Bronze |
| 4x4x4 Cube | 4 | 1 | 3 |
| Megaminx | 1 | 1 | |
| 3x3x3 One-Handed | | 1 | 2 |
| Square-1 | | 1 | |
| 3x3x3 Cube | | | 2 |
| 5x5x5 Cube | | | 2 |
| 2x2x2 Cube | | | 1 |
| 6x6x6 Cube | | | 1 |
Solves/Attempts
He attempted 1012 solves and completed 989.
| Event | Solves | Attempts |
| 3x3x3 Cube | 193 | 195 |
| 2x2x2 Cube | 138 | 145 |
| 4x4x4 Cube | 123 | 125 |
| 3x3x3 One-Handed | 119 | 120 |
| 5x5x5 Cube | 75 | 75 |
| Pyraminx | 64 | 65 |
| Square-1 | 64 | 65 |
| Skewb | 58 | 60 |
| Megaminx | 55 | 55 |
| 6x6x6 Cube | 36 | 36 |
| 7x7x7 Cube | 29 | 30 |
| Clock | 29 | 35 |
| 3x3x3 Fewest Moves | 6 | 6 |
Personal Bests
He broke his personal best 66 times across 13 events, including 31 singles and 35 averages.
| Event | Times | Single | Average |
| 6x6x6 Cube | 12 | 5 | 7 |
| 7x7x7 Cube | 11 | 6 | 5 |
| Square-1 | 11 | 7 | 4 |
| Clock | 7 | 3 | 4 |
| 5x5x5 Cube | 6 | 2 | 4 |
| Pyraminx | 5 | 4 | 1 |
| 3x3x3 Cube | 3 | 1 | 2 |
| 4x4x4 Cube | 3 | 1 | 2 |
| 3x3x3 One-Handed | 3 | 0 | 3 |
| 3x3x3 Fewest Moves | 2 | 1 | 1 |
| 2x2x2 Cube | 1 | 1 | 0 |
| Megaminx | 1 | 0 | 1 |
| Skewb | 1 | 0 | 1 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| Square-1 | 32.65 | 6.50 | 26.15 (402.31%) |
| Pyraminx | 2.15 | 1.62 | 0.53 (32.72%) |
| 6x6x6 Cube | 1:52.95 | 1:26.43 | 26.52 (30.68%) |
| 5x5x5 Cube | 43.70 | 37.48 | 6.22 (16.60%) |
| 2x2x2 Cube | 0.95 | 0.87 | 0.08 (9.20%) |
| 3x3x3 Cube | 4.92 | 4.59 | 0.33 (7.19%) |
| 4x4x4 Cube | 19.78 | 19.33 | 0.45 (2.33%) |
| 7x7x7 Cube | - | 2:26.52 | - |
| Clock | - | 7.04 | - |
| 3x3x3 Fewest Moves | - | 33 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| Pyraminx | 3.02 | 2.35 | 0.67 (28.51%) |
| 6x6x6 Cube | 1:56.16 | 1:34.20 | 21.96 (23.31%) |
| 5x5x5 Cube | 48.99 | 45.27 | 3.72 (8.22%) |
| 3x3x3 One-Handed | 11.49 | 10.68 | 0.81 (7.58%) |
| 4x4x4 Cube | 24.07 | 22.67 | 1.40 (6.18%) |
| Megaminx | 40.67 | 38.48 | 2.19 (5.69%) |
| 3x3x3 Cube | 6.10 | 5.99 | 0.11 (1.84%) |
| Skewb | 3.10 | 3.05 | 0.05 (1.64%) |
| 7x7x7 Cube | - | 2:43.80 | - |
| Square-1 | - | 10.32 | - |
| Clock | - | 8.12 | - |
| 3x3x3 Fewest Moves | - | 33.67 | - |
Cubers
He met 2134 cubers from 29 countries/regions, 578 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 1556 |
| 2 | 330 |
| 3 | 109 |
| 4 | 65 |
| 5 | 35 |
| 6 | 13 |
| 7 | 13 |
| 8 | 4 |
| 9 | 2 |
| 10 | 3 |
| 11 | 2 |
| 14 | 1 |
| 15 | 1 |
| All | 2134 |
Regions
He competed in 4 countries/regions.
| Region | Times |
| China | 12 |
| Hong Kong | 3 |
| Malaysia | 2 |
| Vietnam | 1 |
Cities
In China, he visited 8 cities while competing.
| City | Times |
| Hong Kong | 3 |
| Guangzhou | 3 |
| Xi'an | 2 |
| Zhengzhou | 2 |
| Chongqing | 1 |
| Zhuhai | 1 |
| Jiangmen | 1 |
| Guilin | 1 |
