Joon Cha (차준혁)

Region	WCA ID	Gender	Competitions	Completed Solves
Republic of Korea	2012CHAJ01	Male	21	728

Current Personal Records

Event	NR	CR	WR	Single	Average	WR	CR	NR
3x3x3 Cube	109	1679	5176	8.13	10.06	5251	1774	111
2x2x2 Cube	28	464	2348	1.50	3.22	3774	944	47
4x4x4 Cube	93	1481	4351	36.89	41.35	3667	1269	80
5x5x5 Cube	85	1164	3456	1:13.87	1:24.62	3970	1363	95
6x6x6 Cube	105	1309	4411	2:57.49	3:06.22	4146	1247	100
7x7x7 Cube	63	817	2547	3:54.91	4:20.67	2897	907	66
3x3x3 Blindfolded	38	591	1801	1:25.08	2:30.99	1684	500	29
3x3x3 Fewest Moves	7	80	368	25	31.33	520	123	14
3x3x3 One-Handed	103	1947	5432	16.36	20.64	5802	2162	114
Clock	49	582	2543	8.26	9.55	2254	495	41
Megaminx	72	1103	4010	1:14.59	1:20.34	3521	984	64
Pyraminx	56	1641	6141	3.89	7.17	9156	2668	99
Skewb	224	4459	17061	6.87	8.11	9569	2703	152
Square-1	81	975	4425	18.90	27.35	4941	1121	91
4x4x4 Blindfolded	24	232	910	10:19.00
3x3x3 Multi-Blind	12	113	487	10/10 51:37

Medal Collection

Gold	Silver	Bronze
1	0	1

Record Collection

WR	CR	NR
		2

Competition	Round	Place	Single		Average	Solves
3x3x3 Cube
Anyang Haseyo 2024	First round	25	8.66		10.68	14.48	8.66	11.15	9.89	11.01
Seoul Open 2024	Second round	24	9.76		10.65	9.77	9.76	12.74	12.28	9.89
	First round	19	8.79		10.27	9.00	12.76	8.79	11.25	10.55
Korean Championship 2023	Semi Final	18	8.19		10.31	11.68	10.44	8.80	8.19	11.75
	Second round	18	9.49		10.06	10.10	10.17	10.50	9.92	9.49
	First round	19	8.13		10.06	10.83	10.43	10.06	8.13	9.70
Suncheon Fall 2023	Semi Final	20	9.95		10.78	11.67	10.25	9.95	12.93	10.43
	Second round	24	9.37		10.75	10.42	11.32	9.37	11.87	10.52
	First round	20	9.55		11.12	12.04	12.48	9.55	9.80	11.52
Rubik's WCA World Championship 2023	Second round	316	8.86		10.42	9.87	11.63	13.17	9.76	8.86
	First round	373	9.15		10.48	9.15	9.36	13.84	10.68	11.41
Seoul Spring 2023	First round	48	11.62		12.20	13.57	11.62	12.84	11.71	12.06
Daegu Hot Spring 2023	First round	29	10.26		11.62	16.79	12.22	10.26	11.80	10.84
3x3x3 HanMaDang 2017	Final	12	9.94		10.64	9.94	12.39	10.53	10.05	11.35
	First round	13	8.39		10.74	12.34	9.78	10.58	11.86	8.39
Busan Summer 2014	Final	6	10.12		11.57	10.12	10.63	13.21	12.71	11.38
	First round	6	9.89		11.32	12.31	10.40	9.89	11.25	14.15
National Capital Region 2014	Final	8	11.02		12.54	11.40	14.31	11.02	13.68	12.55
	Second round	7	10.05		10.60	10.19	10.96	10.05	11.31	10.65
	First round	8	11.56		12.24	12.56	11.56	14.90	12.31	11.86
Toronto Open Spring 2014	Final	6	10.50		12.33	13.33	11.75	10.50	11.92	14.30
	Second round	5	9.53		11.37	11.21	11.01	17.22	9.53	11.90
	First round	6	10.39		11.02	11.76	10.67	10.39	16.20	10.63
Montréal Open 2014	Final	5	10.27		12.71	14.50	13.23	10.27	12.76	12.14
	Second round	5	10.59		11.99	12.38	12.43	10.59	16.21	11.16
	First round	5	10.00		11.46	10.00	12.68	10.66	11.05	13.06
Canadian Open 2013	Second round	27	11.68		14.27	14.90	14.56	11.68	13.34	18.40
	First round	19	11.47		13.19	13.78	12.93	13.15	11.47	13.50
National Capital Region 2013	Final	9	11.81		13.59	13.44	13.72	14.25	13.61	11.81
	Second round	9	12.81		14.21	14.00	16.65	14.30	12.81	14.34
	First round	9	12.46		15.00	15.15	14.96	15.05	12.46	15.00
Montréal Open 2013	Final	11	11.25		15.70	16.53	16.86	13.71	11.25	18.19
	Second round	8	12.31		12.98	13.33	12.94	17.06	12.31	12.68
	First round	11	12.78		15.06	12.78	16.00	16.09	15.38	13.81
Toronto Open Winter 2013	Second round	25	11.69		16.39	DNF	14.80	11.69	14.80	19.58
	First round	14	11.72		14.86	16.63	11.72	14.90	13.05	16.77
Toronto Summer 2012	Second round	24	15.02		16.53	18.43	17.22	16.08	16.28	15.02
	First round	23	13.38		15.92	13.38	14.47	17.55	15.75	18.75
2x2x2 Cube
Korean Championship 2023	Second round	14	3.26		3.75	3.26	3.83	5.62	3.98	3.45
	First round	7	2.65		3.28	3.32	3.85	4.31	2.68	2.65
Ansan Autumn 2023	First round	32	3.79		4.57	4.68	4.85	4.97	3.79	4.18
Rubik's WCA World Championship 2023	First round	244	2.92		3.92	4.34	3.54	5.60	2.92	3.88
Seoul Spring 2023	Final	64	3.50		5.43	5.32	5.48	8.42	3.50	5.49
Daegu Hot Spring 2023	Final	10	2.90		3.57	5.18	3.09	2.90	3.93	3.70
Busan Summer 2014	Final	3	2.32		3.22	2.32	4.43	3.54	2.80	3.31
	First round	2	2.22		3.60	3.64	4.09	3.36	2.22	3.80
National Capital Region 2014	Final	5	2.25		3.88	4.44	2.25	4.63	2.81	4.40
	Second round	4	2.77		3.69	3.66	4.72	4.19	2.77	3.22
	First round	6	2.30		4.18	3.27	4.59	2.30	6.61	4.68
Toronto Open Spring 2014	Second round	13	3.21		4.84	4.39	6.07	5.17	4.96	3.21
	First round	10	3.19		4.29	3.98	3.87	5.22	3.19	5.02
Montréal Open 2014	Final	5	3.64		4.45	5.61	3.92	3.64	10.35	3.81
	Second round	4	3.96		4.52	4.58	4.47	6.10	3.96	4.52
	First round	5	3.76		5.24	6.13	DNF	3.76	4.80	4.78
Canadian Open 2013	Second round	14	4.59		5.03	5.11	5.27	4.59	5.34	4.71
	First round	16	3.93		4.80	4.97	6.84	5.15	3.93	4.28
National Capital Region 2013	Final	7	1.50	NR	4.24	4.69	1.50	4.25	5.65	3.78
	Second round	6	4.78		5.20	4.90	6.21	4.78	5.25	5.44
	First round	4	3.93		4.54	4.05	4.75	3.93	7.77	4.83
Montréal Open 2013	Final	6	2.96		4.61	4.55	4.93	4.63	4.66	2.96
	Second round	6	3.61		5.10	6.90	5.65	3.61	4.97	4.68
	First round	6	3.52		4.93	5.13	3.52	5.53	5.43	4.22
Toronto Open Winter 2013	Final	7	3.66		4.39	4.65	4.11	3.66	4.41	8.00
	Second round	8	4.13		4.65	4.50	4.86	5.31	4.13	4.59
	First round	12	4.11		4.81	5.03	4.59	6.46	4.81	4.11
Toronto Summer 2012	First round	24	6.00		6.90	6.22	8.72	8.06	6.00	6.43
4x4x4 Cube
Seoul Open 2024	First round	22	36.89		43.00	43.15	36.89	47.95	42.75	43.10
Korean Championship 2023	First round	15	38.61		41.35	40.76	43.21	40.08	38.61	45.25
Rubik's WCA World Championship 2023	First round	475	48.18		53.52	55.40	51.20	53.96	48.18	1:00.60
Daegu Hot Spring 2023	First round	15	38.97		45.26	48.48	43.44	38.97	46.50	45.85
National Capital Region 2014	Final	6	42.96		49.63	50.11	52.02	42.96	52.33	46.77
Toronto Open Spring 2014	Final	11	44.27		53.06	53.56	44.27	54.28	51.34	55.24
Montréal Open 2014	Final	5	41.66		46.31	45.92	54.74	41.66	44.97	48.05
Canadian Open 2013	First round	13	53.91		56.29	56.65	54.83	1:01.19	53.91	57.38
National Capital Region 2013	Final	7	54.27		1:02.10	59.36	1:05.61	54.27	1:03.38	1:03.56
	First round	7	54.33		59.61	54.33	56.91	1:01.97	1:10.80	59.96
Montréal Open 2013	Final	9	1:02.72		1:10.57	1:03.75	1:18.13	1:10.69	1:17.28	1:02.72
Toronto Open Winter 2013	Final	40	DNF			DNF	DNF
Toronto Summer 2012	Final	23	1:21.59			1:21.59	1:24.84
5x5x5 Cube
Korean Championship 2023	First round	25	1:20.69		1:26.61	1:25.20	1:27.15	1:27.48	1:28.27	1:20.69
Ansan Autumn 2023	First round	21	1:13.87		1:24.62	1:26.31	1:13.87	1:17.51	1:30.60	1:30.03
Rubik's WCA World Championship 2023	First round	372	1:24.95		1:34.07	1:37.67	1:24.95	1:41.02	1:38.67	1:25.88
Daegu Hot Spring 2023	First round	21	1:30.42		1:34.84	1:36.15	1:37.78	1:31.89	1:30.42	1:36.48
Toronto Open Spring 2014	Final	12	1:53.32		2:02.50	1:55.89	2:20.04	2:02.79	2:08.81	1:53.32
Canadian Open 2013	First round	17	1:45.78		1:58.30	2:04.18	1:54.50	2:05.38	1:56.21	1:45.78
Montréal Open 2013	Final	10	2:52.44			2:52.93	2:52.44
Toronto Open Winter 2013	Final	13	2:22.69			2:22.69	2:28.28
6x6x6 Cube
Rubik's WCA World Championship 2023	First round	277	3:09.79			3:09.79
Daegu Hot Spring 2023	Final	15	2:57.49		3:06.22	3:17.45	2:57.49	3:03.73
Montréal Open 2014	Final	6	3:53.62		4:00.19	3:53.62	4:02.25	4:04.71
Canadian Open 2013	Final	12	4:09.19		4:19.73	4:09.19	4:18.69	4:31.30
7x7x7 Cube
Rubik's WCA World Championship 2023	First round	179	3:54.91		4:20.67	3:54.91	4:59.00	4:08.11
Seoul Spring 2023	Final	21	4:12.75		4:26.66	4:43.59	4:12.75	4:23.65
Canadian Open 2013	Final	21	DNF			DNF
3x3x3 Blindfolded
Silent Korea Spring 2024	Final	10	1:42.50		DNF	1:42.50	DNF	DNF
	Second round	12	1:25.08		DNF	DNF	DNF	1:25.08
	First round	20	3:10.49		DNF	DNF	3:10.49	DNF
Korean Championship 2023	First round	9	1:42.62		DNF	DNF	1:42.62	DNF
Rubik's WCA World Championship 2023	First round	142	2:12.85		DNF	DNF	2:16.75	2:12.85
Seoul Spring 2023	Final	13	2:22.34		2:30.99	2:22.34	2:35.71	2:34.93
3x3x3 HanMaDang 2017	Final	13	5:37.08		DNF	DNF	5:37.08	6:14.90
Busan Summer 2014	Final	5	2:51.09		4:16.70	5:41.11	4:17.90	2:51.09
National Capital Region 2014	Final	7	3:30.33		DNF	DNF	DNF	3:30.33
Toronto Open Spring 2014	Final	8	3:26.40		DNF	3:26.40	DNF	3:56.93
Canadian Open 2013	First round	13	4:12.96		DNF	4:12.96	DNF	DNF
National Capital Region 2013	Final	7	5:22.21		DNF	5:22.21	DNF	DNF
3x3x3 Fewest Moves
Korean FMC Championship 2023	Final	5	29		31.67	29	33	33
	First round	7	29		32.67	29	37	32
Rubik's WCA World Championship 2023	Final	38	29		31.33	29	34	31
FMC Korea 2023	Final	4	31		34.33	31	33	39
3x3x3 HanMaDang 2017	Final	8	44			44
Montréal Open 2013	Final	1	25	NR		25
3x3x3 One-Handed
Korean Championship 2023	First round	20	18.61		21.51	26.05	22.26	18.61	22.66	19.61
Rubik's WCA World Championship 2023	First round	306	19.12		22.13	22.64	19.56	34.26	19.12	24.20
Daegu Hot Spring 2023	Final	37	22.65		28.51	33.62	28.94	23.61	22.65	32.97
3x3x3 HanMaDang 2017	First round	18	19.93		21.64	21.91	22.11	25.10	19.93	20.90
National Capital Region 2014	Final	8	20.72		24.35	26.40	22.43	26.75	24.21	20.72
	Second round	8	16.36		21.97	21.41	22.09	22.40	16.36	24.86
	First round	8	23.19		25.51	27.03	24.18	23.19	29.46	25.33
Toronto Open Spring 2014	Second round	9	21.43		24.22	21.74	28.65	26.97	23.95	21.43
	First round	8	20.59		25.13	20.59	21.92	23.88	DNF	29.60
Montréal Open 2014	Final	5	19.52		20.64	19.52	19.81	20.70	21.41	22.38
Canadian Open 2013	Second round	19	21.02		27.30	21.02	22.16	24.08	35.65	38.11
	First round	17	22.97		24.15	23.31	22.97	24.33	25.66	24.80
National Capital Region 2013	Final	12	27.50		33.86	35.96	27.50	32.97	36.91	32.65
	Second round	12	25.28		29.24	41.22	28.86	25.28	27.59	31.27
	First round	14	29.56		35.63	39.50	46.90	34.58	32.81	29.56
Montréal Open 2013	Final	11	26.78		30.92	30.86	27.50	34.40	26.78	38.11
	First round	12	29.52		33.60	36.65	33.91	48.86	29.52	30.25
Toronto Open Winter 2013	Second round	20	28.46		33.67	40.09	30.33	28.46	46.15	30.59
	First round	19	25.05		30.66	40.36	34.31	32.13	25.05	25.53
Clock
Anyang Haseyo 2024	First round	20	8.26		9.55	16.82	9.24	9.39	8.26	10.01
Ansan Autumn 2023	Final	10	10.27		10.92	10.40	10.63	14.89	11.74	10.27
	First round	12	9.15		9.76	14.07	9.51	9.15	9.68	10.10
Megaminx
Rubik's WCA World Championship 2023	First round	230	1:14.59		1:20.34	1:22.88	1:19.03	1:26.90	1:14.59	1:19.12
Daegu Hot Spring 2023	Final	16	1:18.04		1:26.97	1:29.82	1:29.23	1:31.68	1:21.86	1:18.04
National Capital Region 2014	Final	4	1:26.19		1:30.49	1:26.19	1:26.58	1:46.22	1:32.33	1:32.56
Montréal Open 2014	Final	5	1:23.46		1:30.94	1:32.97	1:24.31	1:23.46	1:37.61	1:35.53
Canadian Open 2013	Final	6	1:24.15		1:35.19	2:07.27	1:36.31	1:24.15	1:36.30	1:32.96
National Capital Region 2013	Final	4	1:29.47		1:35.81	1:40.22	1:52.78	1:30.69	1:36.52	1:29.47
Montréal Open 2013	Final	6	2:13.59		2:22.10	2:23.43	2:16.52	2:13.59	2:30.06	2:26.34
Toronto Open Winter 2013	Final	10	2:26.22			3:04.69	2:26.22
Pyraminx
Korean Championship 2023	First round	35	7.37		8.76	8.14	9.11	9.32	7.37	9.02
Rubik's WCA World Championship 2023	First round	360	8.14		9.03	8.14	8.15	9.63	9.30	11.85
Busan Summer 2014	Final	5	3.89		7.17	16.17	11.22	4.52	3.89	5.77
National Capital Region 2014	Final	5	7.61		9.26	8.77	7.61	10.00	11.00	9.02
Toronto Open Spring 2014	Final	11	7.66		8.81	10.72	8.00	10.91	7.70	7.66
Montréal Open 2014	Final	4	8.15		8.47	8.44	8.55	8.15	11.43	8.43
Canadian Open 2013	Final	10	7.22		9.34	11.55	9.56	9.28	9.19	7.22
	First round	12	6.88		9.20	9.18	6.88	9.97	12.68	8.44
National Capital Region 2013	Final	6	7.09		7.88	7.28	9.21	7.09	7.16	11.15
	First round	7	6.25		9.15	11.69	9.15	6.25	6.96	11.34
Montréal Open 2013	Final	5	7.58		9.76	11.52	9.34	8.41	12.27	7.58
Toronto Open Winter 2013	Final	10	10.43		11.29	10.43	10.43	12.02	11.47	11.97
Skewb
Anyang Haseyo 2024	First round	33	7.18		8.11	7.18	7.30	8.99	9.09	8.05
Rubik's WCA World Championship 2023	First round	336	6.87		10.15	8.89	6.87	10.87	10.68	15.35
Daegu Hot Spring 2023	Final	39	8.21		11.03	15.30	13.80	10.72	8.21	8.57
Busan Summer 2014	Final	7	8.48		11.86	11.67	12.29	8.48	11.61	12.58
	First round	5	7.94		11.12	10.79	13.68	7.94	8.88	14.05
National Capital Region 2014	Final	4	7.81		11.39	7.81	10.16	11.19	14.31	12.83
Toronto Open Spring 2014	Final	5	7.18		11.23	11.31	10.81	7.18	11.58	17.50
Montréal Open 2014	Final	4	8.07		10.15	8.07	11.51	10.79	8.15	12.35
Square-1
Anyang Haseyo 2024	First round	18	18.90		27.35	37.89	18.90	26.48	27.14	28.43
Canadian Open 2013	Final	13	39.40		40.49	41.25	1:00.90	40.02	40.19	39.40
4x4x4 Blindfolded
Silent Korea Spring 2024	Final	8	10:19.00		DNF	10:19.00	DNF	11:39.00
3x3x3 Multi-Blind
Silent Korea Spring 2024	Final	7	10/10 51:37			10/10 51:37	7/11 1:00:00

History of National Records

Single	Competition	Round
2x2x2 Cube
1.50	National Capital Region 2013	Final
3x3x3 Fewest Moves
25	Montréal Open 2013	Final