Recent Competitions
Rankings

Haichuan Du (杜海川)

Shanghai Maritime Open 2013

WCA ID: 2011DUHA01
Country: China China
Active since: 2011

5

Events Entered

33

Official Solves

4

Best Position (Pyraminx)

Pyraminx

Best Event

10.62s

Best Result (Pyraminx)

10

PBs Achieved

Competition Event Summary

Event Round Reached Single Average Position
3x3x3 Cube Second round 16.97s 18.06s #15
2x2x2 Cube First round 2.73s 6.11s #10
3x3x3 One-Handed First round 25.92s 30.18s #11
Pyraminx Final 7.47s 11.32s #5
3x3x3 With Feet Final 1:54.31 2:34.32 #6

Event Ranking Chart

Competition Round Breakdown

3x3x3 Cube
Round # Best Average Solves
Second round #15 16.97s 18.06s 17.58s (16.97s) (25.03s) 19.33s 17.28s
First round #15 14.93s 16.79s (14.93s) 17.93s (23.19s) 16.47s 15.98s
2x2x2 Cube
Round # Best Average Solves
First round #10 2.73s 6.11s (2.73s) 5.51s (7.54s) 6.06s 6.75s
3x3x3 One-Handed
Round # Best Average Solves
First round #11 25.92s 30.18s 31.72s 28.00s 30.82s (34.67s) (25.92s)
Pyraminx
Round # Best Average Solves
Final #5 7.47s 11.32s (7.47s) 9.92s 14.57s 9.47s (15.39s)
First round #4 7.58s 10.62s 8.08s (7.58s) (20.08s) 13.63s 10.14s
3x3x3 With Feet
Round # Best Average Solves
Final #6 1:54.31 2:34.32 1:54.31 2:50.44 2:58.22 — —

PBs Achieved

Event Type Previous PB New PB Improvement
2x2x2 Cube Average 6.91s 6.11s -0.80s
2x2x2 Cube Single 5.19s 2.73s -2.46s
3x3x3 Cube Average 34.86s 16.79s -18.07s
3x3x3 Cube Single 22.08s 14.93s -7.15s
3x3x3 One-Handed Average First official result 30.18s —
3x3x3 One-Handed Single First official result 25.92s —
3x3x3 With Feet Average First official result 2:34.32 —
3x3x3 With Feet Single First official result 1:54.31 —
Pyraminx Average 12.61s 10.62s -1.99s
Pyraminx Single 9.53s 7.47s -2.06s
Stay updated with new features and analytics tools! Subscribe to Newsletter
© 2026 SpeedCubeAnalytics | Official results and rankings provided by the World Cube Association (WCA) | Not affiliated with or endorsed by the WCA