Haichuan Du (杜海川)

Region	WCA ID	Gender	Competitions	Completed Solves
China	2011DUHA01	Male	29	1123

Current Personal Records

Event	NR	CR	WR	Single	Average	WR	CR	NR
3x3x3 Cube	260	881	2895	7.37	9.03	2591	847	255
2x2x2 Cube	38	112	722	1.09	2.61	1496	356	126
4x4x4 Cube	316	1110	3303	34.99	37.42	2017	649	184
5x5x5 Cube	703	2107	6248	1:25.54	1:29.33	4927	1695	552
3x3x3 Fewest Moves	137	476	2006	33	39.67	1889	469	152
3x3x3 One-Handed	226	719	2236	13.32	15.73	1538	513	160
Clock	212	756	3421	9.32	14.19	5487	1278	403
Pyraminx	983	2812	10356	4.75	7.40	10012	2927	1063

Medal Collection

Gold	Silver	Bronze
5	4	4

Record Collection

WR	CR	NR
		2

Competition	Round	Place	Single		Average		Solves
3x3x3 Cube
Kunshan Afternoon 2021	Final	8	8.70		10.06		13.05	9.65	9.49	8.70	11.03
	First round	6	7.93		9.03		9.44	9.47	8.49	7.93	9.16
Guildford Open 2020	Final	10	8.65		9.97		8.65	10.84	9.68	11.16	9.39
	Semi Final	16	7.37		10.38		7.37	10.39	10.58	11.11	10.17
	Second round	5	8.35		9.33		10.25	8.35	9.96	8.63	9.40
	First round	8	7.88		9.74		11.19	11.33	9.39	8.64	7.88
Wuxi Autumn 2018	Final	9	8.57		11.39		11.78	8.57	12.35	11.79	10.60
	Second round	6	8.86		10.11		10.90	10.35	10.75	9.24	8.86
	First round	14	8.06		11.53		11.72	11.69	11.55	8.06	11.35
Shanghai Winter 2018	Final	6	8.07		9.73		9.07	10.23	9.90	10.21	8.07
	Second round	2	8.75		9.41		9.54	9.51	8.75	10.32	9.17
	First round	5	7.56		9.15		11.49	7.56	8.24	8.29	10.91
Zhenjiang Open 2017	Final	9	8.90		10.77		11.55	11.07	12.73	9.68	8.90
	Second round	3	8.95		9.40		9.94	8.95	9.00	9.57	9.64
	First round	4	8.86		9.35		9.52	12.06	8.86	9.27	9.27
Nanjing Autumn 2017	Final	11	9.05		11.65		DNF	13.01	9.05	10.01	11.94
	Second round	10	9.25		11.63		11.84	12.86	DNF	9.25	10.19
	First round	6	9.91		10.17		10.14	10.03	9.91	10.35	12.43
Yangzhou Open 2017	Semi Final	14	9.23		10.60		11.60	9.23	11.52	10.48	9.79
	Second round	19	10.23		11.12		12.93	10.23	10.82	12.17	10.38
	First round	26	9.90		11.56		13.41	12.08	10.11	12.48	9.90
Wuxi Open 2017	Final	2	9.30		10.07		9.54	10.01	9.30	10.65	11.61
	Second round	2	9.36		10.29		9.66	12.69	9.36	11.58	9.62
	First round	5	10.46		11.16		10.46	13.24	11.73	10.53	11.23
China Championship 2017	Semi Final	22	8.75		10.12		11.58	10.62	10.08	9.66	8.75
	Second round	25	9.21		9.90		11.06	9.21	9.31	9.33	11.75
	First round	17	8.57		9.63		9.36	8.57	12.60	10.40	9.14
ZUST Open 2017	Final	12	10.64		13.82		18.76	DNF	11.03	10.64	11.67
	Second round	5	8.62		9.89		10.16	11.50	9.33	8.62	10.17
	First round	10	10.77		11.86		10.77	12.74	11.78	12.73	11.07
Hefei Open 2016	Second round	26	9.71		13.25		12.71	13.62	13.69	13.41	9.71
	First round	8	8.94		10.79		10.52	11.71	10.15	8.94	13.14
Suzhou Open 2016	Final	2	8.15		10.09		10.04	9.81	10.42	8.15	12.52
	Second round	4	10.06		10.97		12.69	10.40	12.41	10.11	10.06
	First round	5	9.43		11.38		10.50	11.44	9.43	12.59	12.20
Shanghai Songjiang Open 2016	Second round	10	9.61		12.43		9.61	10.20	14.83	12.27	15.13
	First round	7	10.41		11.52		11.63	11.39	10.41	14.46	11.54
Shanghai Spring 2016	Final	11	10.23		12.13		10.23	DNF	12.07	11.37	12.95
	Second round	6	9.33		11.34		12.39	9.33	11.17	10.67	12.18
	First round	5	8.34		10.90		10.64	12.06	8.34	11.63	10.43
China Championship 2015	Second round	48	9.55		12.10		12.74	11.11	9.55	12.59	12.61
	First round	45	11.68		11.85		11.68	11.89	11.96	12.58	11.70
Shanghai Summer Open 2015	Second round	9	10.91		11.36		11.41	11.50	10.91	14.30	11.16
	First round	12	9.85		12.37		9.85	13.12	13.60	11.10	12.89
Wuxi Open 2015	Second round	22	11.63		13.73		14.93	11.63	13.00	13.26	18.24
	First round	4	10.31		11.39		14.26	11.06	10.64	10.31	12.46
Hefei Open 2015	Final	13	10.88		13.08		12.45	10.88	14.37	12.42	DNF
	Second round	7	10.20		11.06		10.20	12.81	10.60	12.04	10.53
	First round	5	10.29		11.35		11.53	12.61	10.29	11.48	11.03
Nanjing Spring 2015	Second round	12	12.37		13.29		16.04	13.16	13.64	13.06	12.37
	First round	4	10.38		11.67		14.52	11.32	10.38	12.30	11.39
Shanghai Fudan Spring 2015	Final	4	9.29		11.27		11.53	12.41	9.29	12.95	9.87
	First round	5	11.65		12.13		13.30	11.70	12.14	12.54	11.65
Cube Elite Union Cafe 2014	Final	6	11.72		13.08		12.16	12.96	14.11	11.72	14.71
	Second round	6	11.01		12.21		11.01	11.30	14.70	11.33	13.99
	First round	8	10.71		13.09		10.71	14.21	DNF	12.96	12.11
Nantong Open 2014	Second round	22	14.06		15.88		17.15	14.06	16.45	16.23	14.95
	First round	24	12.90		16.62		18.12	17.28	16.82	15.77	12.90
Suzhou Open 2014	First round	47	11.77		16.20		17.31	15.03	17.31	16.27	11.77
Shanghai Spring 2014	Final	9	11.89		13.68		16.14	11.89	14.16	14.25	12.64
	First round	16	11.80		15.46		15.57	14.97	15.83	11.80	20.55
Shanghai Summer 2013	Second round	32	13.15		15.82		16.28	17.08	13.15	15.08	16.09
	First round	36	13.46		16.47		15.63	19.90	13.46	16.16	17.63
Shanghai Maritime Open 2013	Second round	15	16.97		18.06		17.58	16.97	25.03	19.33	17.28
	First round	15	14.93		16.79		14.93	17.93	23.19	16.47	15.98
Shanghai Summer 2012	First round	87	22.08				29.22	22.08
Shanghai Snowball Winter 2011	First round	18	31.13		34.86		34.22	38.38	31.97	38.56	31.13
2x2x2 Cube
Kewbz UK Championship 2022	First round	29	2.06		3.46		3.65	2.96	2.06	3.91	3.78
Kunshan Afternoon 2021	Final	6	3.11		3.54		3.11	3.55	3.84	4.84	3.22
	First round	7	1.84		2.87		2.53	2.45	4.00	1.84	3.64
Guildford Open 2020	Final	7	2.88		3.25		3.43	2.97	2.88	3.34	3.75
	First round	23	2.17		4.01		3.37	5.75	2.17	5.12	3.54
Wuxi Autumn 2018	Final	8	2.70		3.43		2.70	3.68	11.44	3.47	3.14
	First round	4	2.92		3.48		2.92	4.00	3.56	3.12	3.76
Shanghai Winter 2018	Final	7	3.12		3.42		3.15	3.12	5.41	3.44	3.68
	First round	6	1.97		3.36		4.03	1.97	2.98	3.33	3.77
Zhenjiang Open 2017	Final	4	1.09		2.61		4.57	2.29	1.09	2.35	3.19
	Second round	5	2.87		3.33		3.64	2.87	3.00	3.88	3.36
	First round	9	2.78		4.28		2.83	DNF	2.78	6.65	3.37
Nanjing Autumn 2017	Final	3	2.76		3.55		4.57	5.31	3.12	2.76	2.97
	Second round	6	1.95		4.35		5.17	3.39	4.50	1.95	5.96
	First round	7	3.34		4.01		3.66	3.75	8.34	4.63	3.34
Yangzhou Open 2017	Final	8	3.00		3.86		3.00	3.34	3.94	DNF	4.30
	Second round	4	2.69		3.10		3.14	3.48	5.44	2.69	2.69
	First round	8	2.92		3.53		3.00	4.07	3.51	2.92	5.08
China Championship 2017	Final	9	2.92		3.55		3.05	2.92	4.41	3.20	8.95
	Semi Final	12	2.94		3.42		4.51	3.16	3.90	3.21	2.94
	Second round	5	2.49		2.98		3.04	2.49	3.49	2.82	3.08
	First round	5	2.61		3.08		3.49	3.05	2.61	3.28	2.92
ZUST Open 2017	Final	3	2.83		3.15		4.05	3.12	3.29	2.83	3.03
	First round	6	2.43		3.80		3.38	4.33	3.90	2.43	4.13
Hefei Open 2016	Final	9	2.50		3.79		3.10	DNF	4.38	3.90	2.50
	Second round	4	2.93		3.26		5.12	3.35	3.43	3.01	2.93
	First round	4	2.07		3.09		2.66	2.60	4.52	4.01	2.07
Suzhou Open 2016	Final	8	2.58		4.16		3.90	4.34	4.23	2.58	5.36
	Second round	11	2.27		3.76		4.09	3.57	2.27	5.33	3.63
	First round	12	3.39		4.83		3.39	4.39	5.97	5.53	4.57
Shanghai Songjiang Open 2016	Final	11	3.37		DNF		DNF	3.37	3.87	DNF	4.89
	First round	2	2.31		3.76		3.15	4.19	3.95	2.31	4.35
Shanghai Spring 2016	Final	7	2.88		3.80		2.88	3.89	4.24	3.40	4.11
	Second round	3	2.65		3.88		2.65	4.12	4.11	3.42	6.47
	First round	4	2.41		3.37		4.25	3.84	2.41	3.78	2.50
China Championship 2015	Final	18	3.30		4.60		5.22	3.30	4.23	5.90	4.36
	Semi Final	14	2.09		3.61		3.86	2.09	4.71	3.45	3.53
	Second round	16	2.80		3.89		3.85	3.40	2.80	4.42	5.50
	First round	25	3.26		3.78		3.92	5.26	3.87	3.56	3.26
Shanghai Summer Open 2015	Final	2	3.30		3.61		3.56	3.84	3.42	3.30	5.35
	Second round	2	2.02		3.65		2.02	5.00	3.58	3.60	3.77
	First round	2	2.65		3.71		3.23	2.65	3.57	4.34	6.90
Wuxi Open 2015	Final	5	3.07		4.04		4.94	3.07	4.51	3.92	3.70
	Second round	4	3.38		4.19		3.50	5.67	3.38	4.72	4.34
	First round	4	3.20		3.81		3.20	4.38	3.48	5.42	3.56
Hefei Open 2015	Final	10	3.56		4.31		3.56	3.75	5.69	3.90	5.28
	Second round	6	3.46		3.71		3.46	3.58	3.55	4.00	4.02
	First round	9	2.69		3.76		3.91	3.45	5.03	3.93	2.69
Nanjing Spring 2015	Second round	15	1.55		5.05		1.55	6.20	5.66	3.36	6.12
	First round	5	3.01		3.84		4.34	3.53	6.59	3.01	3.64
Shanghai Fudan Spring 2015	Final	4	3.27		3.77		3.27	3.73	3.53	4.06	4.09
	First round	8	3.97		4.90		4.84	3.97	6.75	5.81	4.06
Cube Elite Union Cafe 2014	Final	3	3.63		4.45		4.77	3.63	4.06	4.52	6.61
	First round	3	3.87		4.80		4.22	3.87	DNF	5.40	4.79
Nantong Open 2014	Final	4	3.35		5.37		3.35	5.74	7.23	5.81	4.57
	First round	2	4.29		4.52		4.68	5.03	4.29	4.53	4.35
Suzhou Open 2014	First round	15	1.75		4.90		4.74	1.75	DNF	5.55	4.42
Shanghai Spring 2014	Final	1	2.98		3.94		2.98	4.12	4.34	6.56	3.36
	First round	7	4.26		5.14		5.95	4.69	12.31	4.77	4.26
Shanghai Summer 2013	First round	12	2.77		5.00		5.58	7.31	4.94	4.47	2.77
Shanghai Maritime Open 2013	First round	10	2.73		6.11		2.73	5.51	7.54	6.06	6.75
Shanghai Summer 2012	First round	56	5.19		6.91		6.21	7.43	8.69	7.08	5.19
Shanghai Snowball Winter 2011	First round	17	11.38		13.33		11.38	14.02	11.80	25.93	14.16
4x4x4 Cube
Guildford Open 2020	Final	8	34.99		37.42		37.13	34.99	40.26	36.92	38.21
	First round	11	36.50		39.14		37.39	43.05	36.50	36.99	48.08
Wuxi Autumn 2018	Final	12	43.90		46.06		47.62	43.90	44.41	52.64	46.15
	First round	12	40.18		43.44		45.36	40.18	40.70	44.27	49.44
Shanghai Winter 2018	First round	17	40.02		42.99		40.02	41.81	46.34	40.82	52.33
Zhenjiang Open 2017	First round	11	41.11		45.99		43.23	1:00.16	50.07	44.68	41.11
Nanjing Autumn 2017	Final	9	38.98		43.31		38.98	43.51	47.93	42.82	43.59
	First round	8	39.03		41.96		45.96	43.69	39.03	39.64	42.54
China Championship 2017	Second round	45	41.85		44.61		43.21	43.19	47.42	41.85	48.31
	First round	40	41.04		42.37		42.39	42.66	41.04	42.06	46.96
Hefei Open 2016	Final	11	42.01		44.12		44.05	44.44	43.86	42.01	57.22
	First round	15	39.57		48.15		48.59	39.57	54.45	49.95	45.91
Suzhou Open 2016	Final	9	41.94		50.38		59.28	52.62	41.94	48.10	50.42
	First round	8	42.68		45.90		50.57	44.41	43.49	42.68	49.81
Shanghai Songjiang Open 2016	Final	10	43.45		47.83		53.09	46.56	53.31	43.85	43.45
	First round	4	42.98		44.65		52.10	42.98	44.46	44.48	45.01
Shanghai Spring 2016	Final	6	42.04		43.83		43.99	45.85	42.05	42.04	45.44
	First round	11	41.15		45.51		45.24	48.31	42.98	41.15	49.73
China Championship 2015	Second round	41	45.32		47.58		48.92	45.32	46.12	53.14	47.71
	First round	38	42.64		46.86		50.99	51.81	45.26	42.64	44.32
Shanghai Summer Open 2015	Second round	12	48.78		51.76		1:00.33	52.33	52.16	48.78	50.80
	First round	15	47.55		52.86		55.52	50.24	56.50	52.82	47.55
Hefei Open 2015	First round	33	1:01.28				1:01.28	1:05.70
Nanjing Spring 2015	First round	17	45.80		55.09		56.99	53.68	1:08.06	45.80	54.59
Shanghai Fudan Spring 2015	First round	14	49.63		55.24		1:02.19	51.15	52.38	1:03.20	49.63
Cube Elite Union Cafe 2014	First round	10	52.65		57.44		52.65	1:04.77	1:00.72	54.36	57.25
Nantong Open 2014	First round	25	1:04.29		1:13.16		1:13.14	1:24.25	1:14.90	1:04.29	1:11.44
Suzhou Open 2014	Final	52	1:08.78				1:08.78	1:40.35
Shanghai Spring 2014	First round	28	1:16.87		1:28.37		1:33.18	1:33.44	1:18.50	2:04.77	1:16.87
Shanghai Summer 2013	First round	37	1:14.55				1:27.65	1:14.55
Shanghai Summer 2012	First round	59	1:58.27				DNF	1:58.27
5x5x5 Cube
Wuxi Open 2017	First round	13	1:25.54		1:29.33		1:26.17	1:25.54	1:29.07	1:32.76	1:34.62
Wuxi Open 2015	Final	21	1:44.34		1:52.98		1:56.51	1:49.04	2:00.47	1:44.34	1:53.38
Hefei Open 2015	First round	25	2:07.91				2:07.91	2:09.94
Nanjing Spring 2015	First round	23	2:02.15				DNF	2:02.15
Cube Elite Union Cafe 2014	Final	20	2:33.25		2:39.66		2:40.55	2:53.06	2:41.81	2:36.63	2:33.25
Nantong Open 2014	Final	19	2:39.15				3:01.52	2:39.15
Suzhou Open 2014	Final	24	DNF				DNF	DNF
Shanghai Summer 2013	First round	42	3:05.00				3:53.34	3:05.00
7x7x7 Cube
Shanghai Fudan Spring 2015	Final	19	DNF				DNF
3x3x3 Fewest Moves
Hefei Open 2016	Final	15	41		DNF		41	44	DNF
China Championship 2015	Final	37	33		DNF		33	DNF	56
Hefei Open 2015	Final	6	38		39.67		39	42	38
3x3x3 One-Handed
Kewbz UK Championship 2022	Second round	61	16.32		22.16		18.24	26.07	26.29	22.16	16.32
	First round	40	14.39		18.80		19.12	14.39	19.02	18.26	19.73
Kunshan Afternoon 2021	Final	10	13.37		16.52		15.94	17.97	15.65	22.24	13.37
	First round	11	15.39		17.79		21.27	16.38	20.22	16.76	15.39
Guildford Open 2020	Final	11	14.80		17.94		DNF	20.17	14.93	14.80	18.73
	First round	8	15.40		17.34		17.04	19.34	15.40	19.31	15.66
Wuxi Autumn 2018	Final	9	13.46		16.93		18.04	13.46	21.16	16.23	16.53
	First round	8	13.44		16.43		16.56	23.84	13.44	17.19	15.54
Zhenjiang Open 2017	Final	6	15.16		18.98		17.84	21.74	18.73	15.16	20.36
	First round	6	13.37		18.54		15.97	13.37	19.45	20.22	20.19
Nanjing Autumn 2017	Final	3	14.56		15.73		14.68	14.80	17.72	19.63	14.56
	First round	5	17.03		19.33		17.03	20.03	19.39	18.65	19.96
Wuxi Open 2017	Final	5	16.01		17.42		17.64	17.47	16.01	17.16	18.73
	Second round	2	13.32		16.14		14.91	20.64	16.96	13.32	16.55
	First round	3	15.29		16.47		15.30	15.44	24.93	18.66	15.29
China Championship 2017	Second round	44	17.09		20.35		20.12	18.19	22.74	23.38	17.09
	First round	30	14.98		18.46		20.18	19.98	15.23	21.85	14.98
ZUST Open 2017	Final	6	16.63		19.10		16.63	19.22	19.60	22.71	18.48
	First round	2	15.72		17.88		15.72	18.83	16.78	18.04	19.50
Hefei Open 2016	Final	7	14.34		17.32		19.76	18.90	14.34	16.79	16.27
	First round	4	13.92		17.23		16.98	18.56	13.92	16.16	DNF
Suzhou Open 2016	Final	8	16.74		19.57		18.03	18.68	16.74	29.01	22.01
	Second round	3	17.05		18.36		17.05	18.60	20.52	19.39	17.08
	First round	3	13.34		15.97		19.47	16.71	13.34	13.97	17.22
Shanghai Songjiang Open 2016	Final	4	16.30		18.24		19.06	18.32	19.42	17.34	16.30
	First round	8	16.82		20.10		16.82	21.06	17.83	21.41	21.61
China Championship 2015	Second round	46	15.37		21.11		20.72	15.37	21.23	21.83	21.39
	First round	52	16.71		21.33		20.47	16.71	20.90	22.61	23.51
Wuxi Open 2015	Final	9	18.05		21.56		24.10	18.59	22.95	18.05	23.14
	Second round	5	17.91		19.15		18.47	18.98	17.91	21.40	20.01
	First round	8	17.80		20.65		21.92	19.10	24.15	17.80	20.92
Hefei Open 2015	Final	11	16.60		20.09		20.29	16.60	19.49	21.08	20.49
	First round	11	17.03		21.14		22.60	19.46	17.03	21.36	26.17
Nanjing Spring 2015	Second round	15	18.71		23.15		20.69	18.71	26.88	21.87	27.51
	First round	8	17.15		20.91		21.66	20.68	17.15	20.38	22.45
Nantong Open 2014	Final	5	19.52		23.17		19.52	26.60	21.52	29.92	21.39
	First round	9	17.57		25.92		32.11	25.03	17.57	29.64	23.10
Suzhou Open 2014	Final	31	20.71		27.74		20.71	25.81	39.03	36.58	20.84
Shanghai Maritime Open 2013	First round	11	25.92		30.18		31.72	28.00	30.82	34.67	25.92
Clock
Shanghai Summer Open 2015	Final	11	9.32		14.64		13.91	15.05	22.26	14.95	9.32
Wuxi Open 2015	Final	14	12.83		14.19		13.54	14.52	12.83	14.52	17.93
Shanghai Fudan Spring 2015	First round	9	26.13		30.45		32.47	36.83	31.42	26.13	27.46
Cube Elite Union Cafe 2014	Final	7	27.97		33.77		40.12	31.72	27.97	33.44	36.15
Pyraminx
China Championship 2015	Second round	42	6.44		8.71		11.54	7.02	6.44	10.42	8.69
	First round	51	7.90		9.21		16.60	7.90	8.73	9.81	9.10
Wuxi Open 2015	Final	15	6.06		9.53		7.86	6.06	7.61	13.11	14.94
	First round	13	5.23		7.40		9.88	5.23	7.14	8.45	6.62
Hefei Open 2015	Final	15	7.69		9.78		9.41	10.93	7.69	9.01	13.49
	Second round	13	5.68		7.79		8.66	6.63	8.09	10.02	5.68
	First round	13	6.68		7.50		7.43	7.75	6.68	8.53	7.31
Nanjing Spring 2015	Second round	24	5.57		9.56		9.51	9.83	5.57	9.35	12.22
	First round	13	5.47		7.45		7.80	5.47	7.03	8.71	7.52
Nantong Open 2014	Final	7	4.75		9.19		4.75	8.51	11.54	11.81	7.52
	First round	5	5.99		7.79		7.32	15.01	7.24	5.99	8.82
Shanghai Summer 2013	Final	7	7.50		8.34		7.50	8.75	9.22	8.63	7.65
Shanghai Maritime Open 2013	Final	5	7.47		11.32		7.47	9.92	14.57	9.47	15.39
	First round	4	7.58		10.62		8.08	7.58	20.08	13.63	10.14
Shanghai Summer 2012	First round	15	9.53		12.61		16.93	14.56	9.53	12.41	10.86
3x3x3 With Feet
Wuxi Open 2017	Final	2	29.11		35.27		29.11	38.73	37.96
China Championship 2017	Final	6	39.73		45.77		39.73	47.59	49.99
	First round	6	38.15		41.61		41.39	45.29	38.15
Hefei Open 2016	Final	1	32.74		39.26		40.63	32.74	44.42
Suzhou Open 2016	Final	1	38.38		40.70		39.57	44.15	38.38
China Championship 2015	Final	5	30.32	NR	44.11		58.14	30.32	43.86
	First round	3	39.93		44.03		43.30	39.93	48.87
Shanghai Summer Open 2015	Final	1	41.20		49.08		46.82	59.21	41.20
Hefei Open 2015	Final	1	44.27		45.44	NR	46.07	44.27	45.98
Shanghai Maritime Open 2013	Final	6	1:54.31		2:34.32		1:54.31	2:50.44	2:58.22

History of National Records

Single	Average	Competition	Round	Solves
3x3x3 With Feet
30.32		China Championship 2015	Final
	45.44	Hefei Open 2015	Final	46.07	44.27	45.98