Oliver Du (杜海川)

Country WCA ID Gender Competitions Completed Solves
China 2011DUHA01 Male 27 1078

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 94 307 1091 7.37 9.15 984 297 90
2x2x2 Cube 22 59 325 1.09 2.61 646 175 65
4x4x4 Cube 224 609 1664 34.99 37.42 922 316 113
5x5x5 Cube 580 1382 3563 1:25.54 1:29.33 2738 1055 442
3x3x3 Fewest Moves 119 341 1326 33 39.67 1182 331 130
3x3x3 One-Handed 167 415 1188 13.32 15.73 763 284 108
Clock 126 285 873 9.32 14.19 1671 586 275
Pyraminx 770 1889 5842 4.75 7.40 5743 1956 829

Medal Collection

Gold Silver Bronze
5 4 4

Record Collection

WR CR NR
2
Competition Round Place Single Average Solves
3x3x3 Cube
Guildford Open 2020 Final 10 8.65 9.97 8.6510.849.6811.169.39
Semi Final 16 7.37 10.38 7.3710.3910.5811.1110.17
Second round 5 8.35 9.33 10.258.359.968.639.40
First round 8 7.88 9.74 11.1911.339.398.647.88
Wuxi Autumn 2018 Final 9 8.57 11.39 11.788.5712.3511.7910.60
Second round 6 8.86 10.11 10.9010.3510.759.248.86
First round 14 8.06 11.53 11.7211.6911.558.0611.35
Shanghai Winter 2018 Final 6 8.07 9.73 9.0710.239.9010.218.07
Second round 2 8.75 9.41 9.549.518.7510.329.17
First round 5 7.56 9.15 11.497.568.248.2910.91
Zhenjiang Open 2017 Final 9 8.90 10.77 11.5511.0712.739.688.90
Second round 3 8.95 9.40 9.948.959.009.579.64
First round 4 8.86 9.35 9.5212.068.869.279.27
Nanjing Autumn 2017 Final 11 9.05 11.65 DNF13.019.0510.0111.94
Second round 10 9.25 11.63 11.8412.86DNF9.2510.19
First round 6 9.91 10.17 10.1410.039.9110.3512.43
Yangzhou Open 2017 Semi Final 14 9.23 10.60 11.609.2311.5210.489.79
Second round 19 10.23 11.12 12.9310.2310.8212.1710.38
First round 26 9.90 11.56 13.4112.0810.1112.489.90
Wuxi Open 2017 Final 2 9.30 10.07 9.5410.019.3010.6511.61
Second round 2 9.36 10.29 9.6612.699.3611.589.62
First round 5 10.46 11.16 10.4613.2411.7310.5311.23
China Championship 2017 Semi Final 22 8.75 10.12 11.5810.6210.089.668.75
Second round 25 9.21 9.90 11.069.219.319.3311.75
First round 17 8.57 9.63 9.368.5712.6010.409.14
ZUST Open 2017 Final 12 10.64 13.82 18.76DNF11.0310.6411.67
Second round 5 8.62 9.89 10.1611.509.338.6210.17
First round 10 10.77 11.86 10.7712.7411.7812.7311.07
Hefei Open 2016 Second round 26 9.71 13.25 12.7113.6213.6913.419.71
First round 8 8.94 10.79 10.5211.7110.158.9413.14
Suzhou Open 2016 Final 2 8.15 10.09 10.049.8110.428.1512.52
Second round 4 10.06 10.97 12.6910.4012.4110.1110.06
First round 5 9.43 11.38 10.5011.449.4312.5912.20
Shanghai Songjiang Open 2016 Second round 10 9.61 12.43 9.6110.2014.8312.2715.13
First round 7 10.41 11.52 11.6311.3910.4114.4611.54
Shanghai Spring 2016 Final 11 10.23 12.13 10.23DNF12.0711.3712.95
Second round 6 9.33 11.34 12.399.3311.1710.6712.18
First round 5 8.34 10.90 10.6412.068.3411.6310.43
China Championship 2015 Second round 48 9.55 12.10 12.7411.119.5512.5912.61
First round 45 11.68 11.85 11.6811.8911.9612.5811.70
Shanghai Summer Open 2015 Second round 9 10.91 11.36 11.4111.5010.9114.3011.16
First round 12 9.85 12.37 9.8513.1213.6011.1012.89
Wuxi Open 2015 Second round 22 11.63 13.73 14.9311.6313.0013.2618.24
First round 4 10.31 11.39 14.2611.0610.6410.3112.46
Hefei Open 2015 Final 13 10.88 13.08 12.4510.8814.3712.42DNF
Second round 7 10.20 11.06 10.2012.8110.6012.0410.53
First round 5 10.29 11.35 11.5312.6110.2911.4811.03
Nanjing Spring 2015 Second round 12 12.37 13.29 16.0413.1613.6413.0612.37
First round 4 10.38 11.67 14.5211.3210.3812.3011.39
Shanghai Fudan Spring 2015 Final 4 9.29 11.27 11.5312.419.2912.959.87
First round 5 11.65 12.13 13.3011.7012.1412.5411.65
Cube Elite Union Cafe 2014 Final 6 11.72 13.08 12.1612.9614.1111.7214.71
Second round 6 11.01 12.21 11.0111.3014.7011.3313.99
First round 8 10.71 13.09 10.7114.21DNF12.9612.11
Nantong Open 2014 Second round 22 14.06 15.88 17.1514.0616.4516.2314.95
First round 24 12.90 16.62 18.1217.2816.8215.7712.90
Suzhou Open 2014 First round 47 11.77 16.20 17.3115.0317.3116.2711.77
Shanghai Spring 2014 Final 9 11.89 13.68 16.1411.8914.1614.2512.64
First round 16 11.80 15.46 15.5714.9715.8311.8020.55
Shanghai Summer 2013 Second round 32 13.15 15.82 16.2817.0813.1515.0816.09
First round 36 13.46 16.47 15.6319.9013.4616.1617.63
Shanghai Maritime Open 2013 Second round 15 16.97 18.06 17.5816.9725.0319.3317.28
First round 15 14.93 16.79 14.9317.9323.1916.4715.98
Shanghai Summer 2012 First round 87 22.08 29.2222.08
Shanghai Snowball Winter 2011 First round 18 31.13 34.86 34.2238.3831.9738.5631.13
2x2x2 Cube
Guildford Open 2020 Final 7 2.88 3.25 3.432.972.883.343.75
First round 23 2.17 4.01 3.375.752.175.123.54
Wuxi Autumn 2018 Final 8 2.70 3.43 2.703.6811.443.473.14
First round 4 2.92 3.48 2.924.003.563.123.76
Shanghai Winter 2018 Final 7 3.12 3.42 3.153.125.413.443.68
First round 6 1.97 3.36 4.031.972.983.333.77
Zhenjiang Open 2017 Final 4 1.09 2.61 4.572.291.092.353.19
Second round 5 2.87 3.33 3.642.873.003.883.36
First round 9 2.78 4.28 2.83DNF2.786.653.37
Nanjing Autumn 2017 Final 3 2.76 3.55 4.575.313.122.762.97
Second round 6 1.95 4.35 5.173.394.501.955.96
First round 7 3.34 4.01 3.663.758.344.633.34
Yangzhou Open 2017 Final 8 3.00 3.86 3.003.343.94DNF4.30
Second round 4 2.69 3.10 3.143.485.442.692.69
First round 8 2.92 3.53 3.004.073.512.925.08
China Championship 2017 Final 9 2.92 3.55 3.052.924.413.208.95
Semi Final 12 2.94 3.42 4.513.163.903.212.94
Second round 5 2.49 2.98 3.042.493.492.823.08
First round 5 2.61 3.08 3.493.052.613.282.92
ZUST Open 2017 Final 3 2.83 3.15 4.053.123.292.833.03
First round 6 2.43 3.80 3.384.333.902.434.13
Hefei Open 2016 Final 9 2.50 3.79 3.10DNF4.383.902.50
Second round 4 2.93 3.26 5.123.353.433.012.93
First round 4 2.07 3.09 2.662.604.524.012.07
Suzhou Open 2016 Final 8 2.58 4.16 3.904.344.232.585.36
Second round 11 2.27 3.76 4.093.572.275.333.63
First round 12 3.39 4.83 3.394.395.975.534.57
Shanghai Songjiang Open 2016 Final 11 3.37 DNF DNF3.373.87DNF4.89
First round 2 2.31 3.76 3.154.193.952.314.35
Shanghai Spring 2016 Final 7 2.88 3.80 2.883.894.243.404.11
Second round 3 2.65 3.88 2.654.124.113.426.47
First round 4 2.41 3.37 4.253.842.413.782.50
China Championship 2015 Final 18 3.30 4.60 5.223.304.235.904.36
Semi Final 14 2.09 3.61 3.862.094.713.453.53
Second round 16 2.80 3.89 3.853.402.804.425.50
First round 25 3.26 3.78 3.925.263.873.563.26
Shanghai Summer Open 2015 Final 2 3.30 3.61 3.563.843.423.305.35
Second round 2 2.02 3.65 2.025.003.583.603.77
First round 2 2.65 3.71 3.232.653.574.346.90
Wuxi Open 2015 Final 5 3.07 4.04 4.943.074.513.923.70
Second round 4 3.38 4.19 3.505.673.384.724.34
First round 4 3.20 3.81 3.204.383.485.423.56
Hefei Open 2015 Final 10 3.56 4.31 3.563.755.693.905.28
Second round 6 3.46 3.71 3.463.583.554.004.02
First round 9 2.69 3.76 3.913.455.033.932.69
Nanjing Spring 2015 Second round 15 1.55 5.05 1.556.205.663.366.12
First round 5 3.01 3.84 4.343.536.593.013.64
Shanghai Fudan Spring 2015 Final 4 3.27 3.77 3.273.733.534.064.09
First round 8 3.97 4.90 4.843.976.755.814.06
Cube Elite Union Cafe 2014 Final 3 3.63 4.45 4.773.634.064.526.61
First round 3 3.87 4.80 4.223.87DNF5.404.79
Nantong Open 2014 Final 4 3.35 5.37 3.355.747.235.814.57
First round 2 4.29 4.52 4.685.034.294.534.35
Suzhou Open 2014 First round 15 1.75 4.90 4.741.75DNF5.554.42
Shanghai Spring 2014 Final 1 2.98 3.94 2.984.124.346.563.36
First round 7 4.26 5.14 5.954.6912.314.774.26
Shanghai Summer 2013 First round 12 2.77 5.00 5.587.314.944.472.77
Shanghai Maritime Open 2013 First round 10 2.73 6.11 2.735.517.546.066.75
Shanghai Summer 2012 First round 56 5.19 6.91 6.217.438.697.085.19
Shanghai Snowball Winter 2011 First round 17 11.38 13.33 11.3814.0211.8025.9314.16
4x4x4 Cube
Guildford Open 2020 Final 8 34.99 37.42 37.1334.9940.2636.9238.21
First round 11 36.50 39.14 37.3943.0536.5036.9948.08
Wuxi Autumn 2018 Final 12 43.90 46.06 47.6243.9044.4152.6446.15
First round 12 40.18 43.44 45.3640.1840.7044.2749.44
Shanghai Winter 2018 First round 17 40.02 42.99 40.0241.8146.3440.8252.33
Zhenjiang Open 2017 First round 11 41.11 45.99 43.231:00.1650.0744.6841.11
Nanjing Autumn 2017 Final 9 38.98 43.31 38.9843.5147.9342.8243.59
First round 8 39.03 41.96 45.9643.6939.0339.6442.54
China Championship 2017 Second round 45 41.85 44.61 43.2143.1947.4241.8548.31
First round 40 41.04 42.37 42.3942.6641.0442.0646.96
Hefei Open 2016 Final 11 42.01 44.12 44.0544.4443.8642.0157.22
First round 15 39.57 48.15 48.5939.5754.4549.9545.91
Suzhou Open 2016 Final 9 41.94 50.38 59.2852.6241.9448.1050.42
First round 8 42.68 45.90 50.5744.4143.4942.6849.81
Shanghai Songjiang Open 2016 Final 10 43.45 47.83 53.0946.5653.3143.8543.45
First round 4 42.98 44.65 52.1042.9844.4644.4845.01
Shanghai Spring 2016 Final 6 42.04 43.83 43.9945.8542.0542.0445.44
First round 11 41.15 45.51 45.2448.3142.9841.1549.73
China Championship 2015 Second round 41 45.32 47.58 48.9245.3246.1253.1447.71
First round 38 42.64 46.86 50.9951.8145.2642.6444.32
Shanghai Summer Open 2015 Second round 12 48.78 51.76 1:00.3352.3352.1648.7850.80
First round 15 47.55 52.86 55.5250.2456.5052.8247.55
Hefei Open 2015 First round 33 1:01.28 1:01.281:05.70
Nanjing Spring 2015 First round 17 45.80 55.09 56.9953.681:08.0645.8054.59
Shanghai Fudan Spring 2015 First round 14 49.63 55.24 1:02.1951.1552.381:03.2049.63
Cube Elite Union Cafe 2014 First round 10 52.65 57.44 52.651:04.771:00.7254.3657.25
Nantong Open 2014 First round 25 1:04.29 1:13.16 1:13.141:24.251:14.901:04.291:11.44
Suzhou Open 2014 Final 52 1:08.78 1:08.781:40.35
Shanghai Spring 2014 First round 28 1:16.87 1:28.37 1:33.181:33.441:18.502:04.771:16.87
Shanghai Summer 2013 First round 37 1:14.55 1:27.651:14.55
Shanghai Summer 2012 First round 59 1:58.27 DNF1:58.27
5x5x5 Cube
Wuxi Open 2017 First round 13 1:25.54 1:29.33 1:26.171:25.541:29.071:32.761:34.62
Wuxi Open 2015 Final 21 1:44.34 1:52.98 1:56.511:49.042:00.471:44.341:53.38
Hefei Open 2015 First round 25 2:07.91 2:07.912:09.94
Nanjing Spring 2015 First round 23 2:02.15 DNF2:02.15
Cube Elite Union Cafe 2014 Final 20 2:33.25 2:39.66 2:40.552:53.062:41.812:36.632:33.25
Nantong Open 2014 Final 19 2:39.15 3:01.522:39.15
Suzhou Open 2014 Final 24 DNF DNFDNF
Shanghai Summer 2013 First round 42 3:05.00 3:53.343:05.00
7x7x7 Cube
Shanghai Fudan Spring 2015 Final 19 DNF DNF
3x3x3 Fewest Moves
Hefei Open 2016 Final 15 41 DNF 4144DNF
China Championship 2015 Final 37 33 DNF 33DNF56
Hefei Open 2015 Final 6 38 39.67 394238
3x3x3 One-Handed
Guildford Open 2020 Final 11 14.80 17.94 DNF20.1714.9314.8018.73
First round 8 15.40 17.34 17.0419.3415.4019.3115.66
Wuxi Autumn 2018 Final 9 13.46 16.93 18.0413.4621.1616.2316.53
First round 8 13.44 16.43 16.5623.8413.4417.1915.54
Zhenjiang Open 2017 Final 6 15.16 18.98 17.8421.7418.7315.1620.36
First round 6 13.37 18.54 15.9713.3719.4520.2220.19
Nanjing Autumn 2017 Final 3 14.56 15.73 14.6814.8017.7219.6314.56
First round 5 17.03 19.33 17.0320.0319.3918.6519.96
Wuxi Open 2017 Final 5 16.01 17.42 17.6417.4716.0117.1618.73
Second round 2 13.32 16.14 14.9120.6416.9613.3216.55
First round 3 15.29 16.47 15.3015.4424.9318.6615.29
China Championship 2017 Second round 44 17.09 20.35 20.1218.1922.7423.3817.09
First round 30 14.98 18.46 20.1819.9815.2321.8514.98
ZUST Open 2017 Final 6 16.63 19.10 16.6319.2219.6022.7118.48
First round 2 15.72 17.88 15.7218.8316.7818.0419.50
Hefei Open 2016 Final 7 14.34 17.32 19.7618.9014.3416.7916.27
First round 4 13.92 17.23 16.9818.5613.9216.16DNF
Suzhou Open 2016 Final 8 16.74 19.57 18.0318.6816.7429.0122.01
Second round 3 17.05 18.36 17.0518.6020.5219.3917.08
First round 3 13.34 15.97 19.4716.7113.3413.9717.22
Shanghai Songjiang Open 2016 Final 4 16.30 18.24 19.0618.3219.4217.3416.30
First round 8 16.82 20.10 16.8221.0617.8321.4121.61
China Championship 2015 Second round 46 15.37 21.11 20.7215.3721.2321.8321.39
First round 52 16.71 21.33 20.4716.7120.9022.6123.51
Wuxi Open 2015 Final 9 18.05 21.56 24.1018.5922.9518.0523.14
Second round 5 17.91 19.15 18.4718.9817.9121.4020.01
First round 8 17.80 20.65 21.9219.1024.1517.8020.92
Hefei Open 2015 Final 11 16.60 20.09 20.2916.6019.4921.0820.49
First round 11 17.03 21.14 22.6019.4617.0321.3626.17
Nanjing Spring 2015 Second round 15 18.71 23.15 20.6918.7126.8821.8727.51
First round 8 17.15 20.91 21.6620.6817.1520.3822.45
Nantong Open 2014 Final 5 19.52 23.17 19.5226.6021.5229.9221.39
First round 9 17.57 25.92 32.1125.0317.5729.6423.10
Suzhou Open 2014 Final 31 20.71 27.74 20.7125.8139.0336.5820.84
Shanghai Maritime Open 2013 First round 11 25.92 30.18 31.7228.0030.8234.6725.92
Clock
Shanghai Summer Open 2015 Final 11 9.32 14.64 13.9115.0522.2614.959.32
Wuxi Open 2015 Final 14 12.83 14.19 13.5414.5212.8314.5217.93
Shanghai Fudan Spring 2015 First round 9 26.13 30.45 32.4736.8331.4226.1327.46
Cube Elite Union Cafe 2014 Final 7 27.97 33.77 40.1231.7227.9733.4436.15
Pyraminx
China Championship 2015 Second round 42 6.44 8.71 11.547.026.4410.428.69
First round 51 7.90 9.21 16.607.908.739.819.10
Wuxi Open 2015 Final 15 6.06 9.53 7.866.067.6113.1114.94
First round 13 5.23 7.40 9.885.237.148.456.62
Hefei Open 2015 Final 15 7.69 9.78 9.4110.937.699.0113.49
Second round 13 5.68 7.79 8.666.638.0910.025.68
First round 13 6.68 7.50 7.437.756.688.537.31
Nanjing Spring 2015 Second round 24 5.57 9.56 9.519.835.579.3512.22
First round 13 5.47 7.45 7.805.477.038.717.52
Nantong Open 2014 Final 7 4.75 9.19 4.758.5111.5411.817.52
First round 5 5.99 7.79 7.3215.017.245.998.82
Shanghai Summer 2013 Final 7 7.50 8.34 7.508.759.228.637.65
Shanghai Maritime Open 2013 Final 5 7.47 11.32 7.479.9214.579.4715.39
First round 4 7.58 10.62 8.087.5820.0813.6310.14
Shanghai Summer 2012 First round 15 9.53 12.61 16.9314.569.5312.4110.86
3x3x3 With Feet
Wuxi Open 2017 Final 2 29.11 35.27 29.1138.7337.96
China Championship 2017 Final 6 39.73 45.77 39.7347.5949.99
First round 6 38.15 41.61 41.3945.2938.15
Hefei Open 2016 Final 1 32.74 39.26 40.6332.7444.42
Suzhou Open 2016 Final 1 38.38 40.70 39.5744.1538.38
China Championship 2015 Final 5 30.32 NR 44.11 58.1430.3243.86
First round 3 39.93 44.03 43.3039.9348.87
Shanghai Summer Open 2015 Final 1 41.20 49.08 46.8259.2141.20
Hefei Open 2015 Final 1 44.27 45.44 NR 46.0744.2745.98
Shanghai Maritime Open 2013 Final 6 1:54.31 2:34.32 1:54.312:50.442:58.22

History of National Records

Single Average Competition Round Solves
3x3x3 With Feet
30.32 China Championship 2015 Final
45.44 Hefei Open 2015 Final 46.0744.2745.98