In the past year (2021), Lanshi Zhang (张岚石) competed in 4 competitions and 25 rounds across 10 events, from Jan 9th to May 3rd.
Solves/Attempts
He attempted 109 solves and completed 102.
| Event | Solves | Attempts |
| 3x3x3 Cube | 35 | 35 |
| 2x2x2 Cube | 20 | 20 |
| 4x4x4 Cube | 15 | 15 |
| 5x5x5 Cube | 10 | 10 |
| Clock | 10 | 10 |
| 3x3x3 Blindfolded | 6 | 9 |
| Megaminx | 5 | 5 |
| 4x4x4 Blindfolded | 1 | 3 |
| 5x5x5 Blindfolded | 0 | 1 |
| 3x3x3 Multi-Blind | 0 | 1 |
Personal Bests
He broke his personal best 12 times across 7 events, including 7 singles and 5 averages.
| Event | Times | Single | Average |
| Clock | 4 | 2 | 2 |
| 2x2x2 Cube | 2 | 1 | 1 |
| 5x5x5 Cube | 2 | 1 | 1 |
| 3x3x3 Cube | 1 | 1 | 0 |
| 3x3x3 Blindfolded | 1 | 0 | 1 |
| Megaminx | 1 | 1 | 0 |
| 4x4x4 Blindfolded | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2020 | 2021 | Improvement |
| Clock | 12.19 | 7.92 | 4.27 (53.91%) |
| 2x2x2 Cube | 2.51 | 2.19 | 0.32 (14.61%) |
| Megaminx | 1:25.80 | 1:20.19 | 5.61 (7.00%) |
| 3x3x3 Cube | 9.29 | 8.85 | 0.44 (4.97%) |
| 5x5x5 Cube | 1:21.94 | 1:20.64 | 1.30 (1.61%) |
| 4x4x4 Blindfolded | - | 12:33.00 | - |
Improvements of Average
| Event | ≤2020 | 2021 | Improvement |
| Clock | 27.29 | 9.59 | 17.70 (184.57%) |
| 2x2x2 Cube | 4.08 | 3.97 | 0.11 (2.77%) |
| 3x3x3 Blindfolded | 54.65 | 53.65 | 1.00 (1.86%) |
| 5x5x5 Cube | 1:29.35 | 1:29.11 | 0.24 (0.27%) |
Cubers
He met 503 cubers from 7 countries/regions, 118 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 385 |
| 2 | 98 |
| 3 | 18 |
| 4 | 2 |
| All | 503 |
Regions
He competed in 1 country/region.
Cities
In China, he visited 2 cities while competing.
| City | Times |
| Shenzhen | 2 |
| Guangzhou | 2 |
