In the past year (2018), Haichuan Du (杜海川) competed in 2 competitions and 15 rounds across 4 events, from Jan 20th to Oct 21st.
Solves/Attempts
He attempted 75 solves and completed 75.
| Event | Solves | Attempts |
| 3x3x3 Cube | 30 | 30 |
| 2x2x2 Cube | 20 | 20 |
| 4x4x4 Cube | 15 | 15 |
| 3x3x3 One-Handed | 10 | 10 |
Personal Bests
He broke his personal best 2 times across 1 event, including 1 single and 1 average.
| Event | Times | Single | Average |
| 3x3x3 Cube | 2 | 1 | 1 |
Improvements of Single
| Event | ≤2017 | 2018 | Improvement |
| 3x3x3 Cube | 8.15 | 7.56 | 0.59 (7.80%) |
Improvements of Average
| Event | ≤2017 | 2018 | Improvement |
| 3x3x3 Cube | 9.35 | 9.15 | 0.20 (2.19%) |
Cubers
He met 243 cubers from 6 countries/regions, 22 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 221 |
| 2 | 22 |
| All | 243 |
Regions
He competed in 1 country/region.
Cities
In China, he visited 2 cities while competing.
| City | Times |
| Shanghai | 1 |
| Wuxi | 1 |
